2016

• Bumman Kim, “Recent Progress in Power Amplifier Technology,” invited talk, 11th International Conference on Industrial and Information Systems (ICIIS) 2016, Uttarakhand, India, 3-4, Dec. 2016.
• seokwon Lee, Deachul Jeong, Hadong Jin, and Bumman Kim, “Reconfigurable 4 Channel Carrier Aggregation Receiver Using The Harmonic Recombination Technique,” Proc. 46th Eur. Microw. Conf., London, United Kingdom, 3-7, Oct. 2016.
• Seokhyeon Kim, Juyeon Lee, Kyunghoon Moon, Yunsik Park, Donggyu Minn, and Bumman Kim, “Optimized Peaking Amplifier of Doherty Amplifier using an Inductive Input Second Harmonic Load,” Proc. 46th Eur. Microw. Conf., London, United Kingdom, 3-7, Oct. 2016.
• Kyunghoon Moon, Yunsung Cho, Jooseung Kim, Byungjoon Park, Hadong Jin, Junho Shin, and Bumman Kim, “Optimization of Idle Current in Envelope Tracking Power Amplifier for Efficiency and Linearity,” Proc. 46th Eur. Microw. Conf., London, United Kingdom, 3-7, Oct. 2016.
• Bumman Kim, and Seokhyeon Kim, “Doherty Amplifier Optimization Using Offset Line,” invited talk, Proc. 46th Eur. Microw. Conf., London, United Kingdom, 3-7, Oct. 2016.
• Bumman Kim, Kyunghoon Moon, Sansu Jin, and Jooseung Kim, “Overview on Linearization Techniques for Envelope Tracking Power Amplifier,” invited talk, in International Union of Radio Science (URSI) Asia-Pacific Radio Science Conference (AP-RASC), Seoul, Korea, 21-25, Aug. 2016.
• Bumman Kim, “5G Linear PA at mm-Wave Band,” invited talk, in IEEE Int. Sympo.Radio-Frequency Integration Technology(RFIT), Taiwan, 24-26, Aug. 2016.
• Bumman Kim, “Linear CMOS PA at mm-Wave Band for 5G Application,” invited talk, in IEEE Radio Frequency Integrated Circuits (RFIC), Sanfansico, CA, 22-27, May. 2016.
• Bumman Kim, and Yunsung Cho, “Design of Linear Doherty Power Amplifier for Handset Application,” invited talk, in IEEE MTT-S Int. Microw. Sympo. Dig., Sanfansico, CA, 22-27, May. 2016.
• Byungjoon Park, Daechul Jeong, Jooseung Kim, Yunsung Cho, Kyunghoon Moon, Bumman Kim, “Highly Linear CMOS Power Amplifier for mm-Wave Applications,” in IEEE MTT-S Int. Microw. Sympo. Dig., Sanfansico, CA, 22-27, May. 2016.
• Yunsung Cho, Kyunghoon Moon, Jooseung Kim, Byungjoon Park, and Bumman Kim, “Linear Doherty Power Amplifier with Adaptive Bias Circuit for Average Power-Tracking,” in IEEE MTT-S Int. Microw. Sympo. Dig., Sanfansico, CA, 22-27, May. 2016.
• Bumman Kim, “Model Based Analysis of ET Operational Behavior and its Noise Characteristics,” invited talk, in International Wireless Symposium (IWS) 2015, Shanghai, China, 14-16, Mar. 2016

2015

• Bumman Kim, Hadong Jin, Dongsu Kim , Hankyu Lee, “RF Transmitter Based on RFDAC,” invited talk, in Asia-Pacific Microwave Conference (APMC) 2015, Nanjing, China, 6-9, Dec. 2015.
• Bumman Kim, Yunsik Park, Seokhyeon Kim, and Juyeon Lee,“Design approaches for improved performance of asymmetric Doherty power amplifier,” invited talk, Proc. 45th Eur. Microw. Conf., Paris, France, 6-11, Sep. 2015.
• Bumman Kim, “Microwave power amplifier and CMOS power circuits and systems,” invited talk, Proc. 45th Eur. Microw. Conf., Paris, France, 6-11, Sep. 2015.
• Yunsung Cho, Kyunghoon Moon, Byungjoon Park, Jooseung Kim, Hadong Jin, and Bumman Kim, “Compact design of linear Doherty power amplifier with harmonic control for handset applications,” Proc. 45th Eur. Microw. Conf., Paris, France, 6-11, Sep. 2015.
• Bumman Kim, Byungjoon Park, Yunsung Cho, Jooseung Kim, Kyunghoon Moon, and Sangsu Jin, “Next Generation Power Amplifier for 5G Handset Application,” invited talk, in IEEE Radio Frequency Integrated Circuits (RFIC), Phoenix, AZ, 17-19, May. 2015.
• Kyunghoon Moon, Jooseung Kim, Sangsu Jin, Byungjoon Park, Yunsung Cho, Min Park, and Bumman Kim, “Highly Linear Envelope Tracking Power Amplifier with Simple Correction Circuit,” in IEEE Radio Frequency Integrated Circuits (RFIC), Phoenix, AZ, 17-19, May. 2015.
• Yunsik Park, Juyeon Lee, Seunghoon Jee, Seokhyeon Kim, and Bumman Kim, “Optimized Doherty Power Amplifier With a New Offset Line,” in IEEE MTT-S Int. Microw. Sympo. Dig., Phoenix, AZ, May. 17-22, 2015.
• Seunghoon Jee, Yunsik Park, Yunsung Cho, Juyeon Lee, Seokhyeon Kim, and Bumman Kim, “A Highly Linear Dual-band Doherty Power Amplifier for Femto-cell Base Station,” in IEEE MTT-S Int. Microw. Sympo. Dig., Phoenix, Arizona, USA, May. 17-22, 2015.
• Bumman Kim, Byungjoon Park, Sangsu Jin, Jooseung Kim, Yunsung Cho, and Kyunghoon Moon “Envelope Tracking Operation of CMOS PAs,” invited talk, IEEE International Solid-State Circuits Conference, San Francisco, CA, 22-26, Feb. 2015.
• Hadong Jin, Dongsu Kim, Sangsu Jin, Hankyu Lee, Kyunghoon Moon, Huijung Kim, and Bumman Kim “Efficient Digital Quadrature Transmitter Based on IQ Cell Sharing,” IEEE International Solid-State Circuits Conference, San Francisco, CA, 22-26, Feb. 2015.

2014

• Bumman Kim, “Power Amplifiers and digital Schemes for Efficient Multi-band/Multi-Standard Wireless Transmitters,” invited talk, International Microwave & RF Conference (IMARC) 2014, Bangalore, India, 15-17, Dec. 2014.
• Bumman Kim, Seokhyeon kim, Seunghoon Jee, Yunsung Cho, Juyeon Lee, and Yunsik Park, “Highly Efficient GaN PA Design Based on Saturated Operation Assisted by Harmonic Tuning,” invited talk, Proc. 44th Eur. Microw. Conf., Rome, Italy, 5-10 Oct. 2014.
• Yunsung Cho, Byungjoon Park, Sangsu Jin, Jooseung Kim, Kyunghoon Moon, Daehyun Kang, Hadong Jin, Seungbeom Koo, and Bumman Kim, “Transformer Based Dual-Power-Mode CMOS Power Amplifier for Handset Applications,” Proc. 44th Eur. Microw. Conf., Rome, Italy, 5-10, Oct. 2014.
• Jooseung Kim, Dongsu Kim, Yunsung Cho, Daehyun Kang, Sangsu Jin, Byungjoon Park, Kyunghoon Moon, Hadong Jin, Seungbeom Koo, and Bumman Kim, “Wideband Envelope Amplifier for Envelope-Tracking Operation of Handset Power Amplifier,” Proc. 44th Eur. Microw. Conf., Rome, Italy, 5-10, Oct. 2014.
• Bumman Kim, Sangsu Jin, Yunsung Cho, Jooseung Kim, Byungjoon Park, Kyunghoon Moon, “Advanced Linear PAs for Handset Applications,” invited talk, in IEEE Int. Sympo.Radio-Frequency Integration Technology(RFIT), China, 27-30, Aug. 2014.
• Bumman Kim, Yunsung Cho, Jooseung Kim, Kyunghoon Moon, “HBT PA MMIC for WCDMA/LTE Applications,” invited talk. 35th PIERS, Guangzhou (Canton), China, 25-28 Aug. 2014.
• Bumman Kim, Sangsu Jin, Junghwan Son, Seunghoon Jee, Seokhyeon Kim, “Broadband Operation of Saturated Amplifier with High Efficiency,” invited talk, IEEE Wireless and Microwave Technology Conference (WAMICON) 2014, FL, USA, 6 Jun. 2014.
• Sangsu Jin, Kyunghoon Moon, Byungjoon Park, Jooseung Kim, Dongsu Kim, Yunsung Cho, Hadong Jin, Myeongju Kwon, and Bumman Kim, “Dynamic Feedback and Biasing for a Linear CMOS Power Amplifier with Envelope Tracking,” in IEEE MTT-S Int. Microw. Symp. Dig., FL, USA, 1-6 Jun. 2014.
• Bumman Kim, Sangsu Jin, Jooseung Kim, Kyunghoon Moon, Seungbeom Koo, “Advanced Operation of Envelope-Tracking Power Amplifier for Handset Applications,” invited talk, in IEEE MTT-S Int. Microw. Symp. Dig., FL, USA, 1-6, Jun. 2014.
• Bumman Kim, “Bias Adapted Operation of CMOS PA for Handset Application,” invited talk, 2014 International Symposium on VLSI Design, Automation & Test (VLSI-DAT), Taiwan, 28-30, Apr. 2014.
• Bumman Kim, Sangsu Jin, Byungjoon Park, Yunsung Cho, Chenxi Zhao, and Kyunghoon Moon, “Advanced Design of Differential CMOS PA,” invited talk, IEEE Radio and Wireless Symposium (RWS) 2014, Newport Beach CA, USA, 19-22, Jan. 2014.

2013

• Bumman Kim, Jooseung Kim, Yunsung Cho, and Byungjoon Park, “Envelope Tracking Modulator as a PMIC for Mobile Handset PAs,” invited talk, in International Microwave & RF Conference (IMARC) 2013, New Delhi, India, 14-16, Dec. 2013.
• Bumman Kim, “Past, Current, and Future Power Amplifier Technology,” Keynote speech, in Asia-Pacific Microwave Conference (APMC) 2013, Seoul, Korea, 5-8, Nov. 2013.
• Sangsu Jin, Kyunghoon Moon, Myeongju Kwon, Byungjoon Park, Hadong Jin, Jongjin Park, and Bumman Kim, “Development of a Highly Efficient and Linear Differential CMOS Power Amplifier With Harmonic Control,” in Asia-Pacific Microwave Conference (APMC) 2013, Seoul, Korea, 5-8, Nov. 2013.
• Seunghoon Jee, Juyeon Lee, Bonghyuk Park, Cheol Ho Kim, and Bumman Kim, “GaN MMIC Broadband Doherty Power Amplifier,” in Asia-Pacific Microwave Conference (APMC) 2013, Seoul, Korea, 5-8, Nov. 2013.
• Juyeon Lee, Seunghoon Jee, Bonghyuk Park, Cheol Ho Kim, and Bumman Kim, “GaN MMIC Broadband Saturated Power Amplifier,” in Asia-Pacific Microwave Conference (APMC) 2013, Seoul, Korea, 5-8, Nov. 2013.
• Jooseung Kim, Dongsu Kim, Yunsung Cho, Daehyun Kang, and Bumman Kim, “Envelope-Tracking Power Amplifier with Enhanced Back-Off Efficiency Using Average Switch Current Contro of Supply Modulator,” best student paper awards, in Asia-Pacific Microwave Conference (APMC) 2013, Seoul, Korea, 5-8, Nov. 2013.
• Bumman Kim, Sangsu Jin, Byungjoon Park, and Kyunghoon Moon, “CMOS Power Amplifiers for Handset Applications”, invited talk, Proc. 43th Eur. Microw. Conf., Nuremberg, Germay, Oct. 6-11, 2013.
• Jooseung Kim, Dongsu Kim, Yunsung Cho, Daehyun Kang, Byungjoon Park, and Bumman Kim, "Supply Modulator for Envelope-Tracking Operation of Dual-Mode Handset Power Amplifier," Proc. 43th Eur. Microw. Conf., Nuremberg, Germany, Oct. 6-11, 2013.
• Bumman Kim, Sangsu Jin, Byungjoon Park, Kyunghoon Moon and Chenxi Zhao, “Recent Development of CMOS Power Amplifiers for Handset Applications”, invited talk, International Workshop on RF and Microwave/Millimeter-Wave Technologies and Applications: Current Development and Future Outlook, china, Sep. 13, 2013.
• Bumman Kim, Seokhyeon Kim, Junghwan Son and Junghwan Moon, “Highly Efficient Saturated Amplifier with Harmonic Tuned Load”, invited talk, in IEEE MTT-S Int. Microw. Symp. Dig., Seattle, WA, USA, Jun. 2-7, 2013.
• Bumman Kim, Jooseung Kim, Yunsung Cho and Byungjoon Park, “Envelope-Tracking Power Amplifiers for Handset Application,” invited talk, in IEEE MTT-S Int. Microw. Symp. Dig., Seattle, WA, USA, Jun. 2-7, 2013.
• Dongsu Kim, Hadong Jin, Sangsu Jin, and Bumman Kim, “Highly Efficient and Wideband Digital Quadrature Transmitter,” in IEEE MTT-S Int. Microw. Symp. Dig., Seattle, WA, USA, Jun. 2-7, 2013.
• Sangsu Jin, Byungjoon Park, Kyunghoon Moon, Yunsung Cho, Dongsu Kim, Hadong Jin, Jongjin Park, and Bumman Kim, “Enhanced Linearity of CMOS Power Amplifier Using Adaptive Common Gate Bias Control,” in IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Seattle, WA, USA, Jun. 3-5, 2013.
• Inyoung Choi, and Bumman Kim, “A Passive Mixer-First Receiver Front-End without External Components for Mobile TV Applications,” in IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Seattle, WA, USA, Jun. 3-5, 2013.
• Bumman Kim, Seokhyeon Kim, Junghwan Moon and Junghwan Son, “Operation of Highly Efficient Saturated Amplifier with Harmonic Tuning,” invited talk, in IEEE MTT-S Int. Wireless Sympo.(IWS) 2013, Beijing, China, Apr.14-18, 2013
• Bumman Kim, Jooseung Kim, Yunsung Cho and Byungjoon Park, “Envelope Tracking Power Amplifiers for Handset Application,” invited talk, in IEEE MTT-S Int. Wireless Sympo.(IWS) 2013, Beijing, China, Apr.14-18, 2013.
• Bumman Kim, Dongsu Kim, Yunsung Cho, Jooseung Kim, Byungjoon Park and Hadong Jin, “Advanced Linear PA for Handset Applications,” invited talk, in IEEE MTT-S Int. Wireless Sympo.(IWS) 2013, Beijing, China, Apr.14-18, 2013.
• Chenxi Zhao, Byungjoon Park, Yunsung Cho, and Bumman Kim, “Analysis and Design of CMOS Doherty Power Amplifier Using Voltage Combining Method,” in IEEE MTT-S Int. Wireless Sympo.(IWS) 2013, Beijing, China, Apr.14-18, 2013.

2012

• Bumman Kim, “RFIC Activities in Korea and POSTECH related to Mobile Communications,” invited talk, in Asia-Pacific Microwave Conference (APMC) 2012, Taiwan, Dec. 4-7, 2012.
• Bumman Kim, Dongsu Kim, Yunsung Cho, Jooseung Kim, “Envelope Tracking Technique for Mobile Handset Application,” invited talk, in IEEE Int. Sympo.Radio-Frequency Integration Technology(RFIT), Singapore, Nov. 21-23, 2012.
• Bumman Kim, “Microwave Circuit Activities in Korea Related to Mobile Communication,” invited talk, in Proc. 42th Eur. Microw. Conf., Amsterdam, Netherlands, Oct. 29 -Nov. 1, 2012.
• Paul Saad, Luca Piazzon, Paolo Colantonio, Junghwan Moon, Franco Giannini, Kristoffer Andersson, Bumman Kim, and Christian Fager, "Multi-band/Multi-mode and Efficient Transmitter Based on a Doherty Power Amplifier," Proc. 42th Eur. Microw. Conf., Amsterdam, Netherlands, Oct. 29 -Nov. 1, 2012.
• Byungjoon Park, Daehyun Kang, Dongsu Kim, Yunsung Cho, Chenxi Zhao, Jooseung Kim, Yoosam Na, and Bumman Kim, "A 31.5 %, 26 dBm LTE CMOS Power Amplifier With Harmonic Control," Proc. 42th Eur. Microw. Conf., Amsterdam, Netherlands, Oct. 29 -Nov. 1, 2012.
• Yunsung Cho, Daehyun Kang, Dongsu Kim, Jooseung Kim, Byungjoon Park, and Bumman Kim, "Low Idle Current LTE Power Amplifier With 2nd Harmonic Control," Proc. 42th Eur. Microw. Conf., Amsterdam, Netherlands, Oct. 29 -Nov. 1, 2012.
• Junghwan Moon, Paul Saad, Junghwan Son, Christian Fager, and Bumman Kim, "2-D Enhanced Hammerstein Behavior Model for Concurrent Dual-Band Power Amplifiers," Proc. 42th Eur. Microw. Conf., Amsterdam, Netherlands, Oct. 29 -Nov. 1, 2012.
• Daehyun Kang, Byungjoon Park, Chenxi Zhao, Dongsu Kim, Jooseung Kim, Yunsung Cho, Sangsu Jin, Hadong Jin, Yoosam Na, and Bumman Kim , “A 34% PAE, 26-dBm Output Power Envelope-Tracking CMOS Power Amplifier for 10-MHz BW LTE Applications,” IEEE MTT-S Int. Microw. Symp. Dig., Montreal, Canada, Jun. 17-22, 2012.
• Junghwan Moon, Jungjoon Kim, Junghwan Son, Seunghoon Jee, Seungchan Kim, Juyeon Lee, Seokhyeon Kim, and Bumman Kim, “Effect of input second harmonic control for saturated amplifier,” in IEEE MTT-S Int. Microw. Symp. Dig., Montreal, Canada, Jun. 17-22, 2012.
• Christer M. Andersson, Junghwan Moon, Christian Fager, Bumman Kim, and Niklas Rorsman, “Decade bandwidth high efficiency GaN HEMT power amplifier designed with resistive harmonic loading,” in IEEE MTT-S Int. Microw. Symp. Dig., Montreal, Canada, Jun. 17-22, 2012.
• Jooseung Kim, Dongsu Kim, Yunsung Cho, Daehyun Kang, Byungjoon Park, and Bumman Kim,“Envelope Tracking Power Amplifier with Dual-Mode Supply Modulator for LTE Applications,” in IEEE MTT-S Int. Microw. Sympo. Dig., Montreal, Canada, Jun. 17-22, 2012.
• Yunsung Cho, Daehyun Kang, Jooseung Kim, Dongsu Kim, Byungjoon Park, and Bumman Kim,“A Low/High-Mode Power Amplifier with Envelope-Tracking Operation,” in IEEE MTT-S Int. Microw. Sympo. Dig., Montreal, Canada, Jun. 17-22, 2012.
• Bumman Kim, Junghwan Moon, Seunghoon Jee, and Jungjoon Kim, "Characteristics of Various Switching Amplifier and the Optimized Structure", invited talk, in IEEE MTT-S Int. Microw. Sympo. Dig., Montreal, Canada, Jun. 17-22, 2012.
• Bumman Kim, Daehyung Kang, Yunsung Cho, Dongsu Kim, Jooseung Kim, and Seunghoon Jee, "Broadband Doherty Power Amplifier for Handset", invited talk, in IEEE MTT-S Int. Microw. Sympo. Dig., Montreal, Canada, Jun. 17-22, 2012.
• Bumman Kim, Daehyung Kang, Dongsu Kim, Jooseung Kim, and Yunsung Cho, "Envelope Tracking PA and Doherty PA for Handset application", invited talk, in IEEE MTT-S Int. Microw. Sympo. Dig., Montreal, Canada, Jun. 17-22, 2012.
• Dongsu Kim, Daehyun Kang, Jooseung Kim, Yunsung Cho, and Bumman Kim, "Wideband Envelope Tracking Power Amplifier for LTE Application," in IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Montreal, Canada, Jun. 17-19, 2012.
• Seong Joong Kim, Bumman Kim, Sangwook Nam, Dejan Markovic, Sang-Gug Lee, “Challenges and Directions of Ultra Low Engergy Wireless Sensor Nodes for Biosignal Monitoring,” IEEE International Symposium on Circuits and Systems (ISCAS), Seoul Kore, May 20-23, 2012.
• Paul Saad, Paolo Colantonio, Junghwan Moon, Luca Piazzon, Kristoffer Andersson, Bumman Kim, and Christian Fager, “Concurrent dual-band GaN HEMT power amplifier at 1.8 GHz and 2.4 GHz,” IEEE Wireless and Microwave Technology Conference (WAMICON) 2012, Florida, Apr. 15-17, 2012.

2011

• Hankyu Lee,  Heesong Seo, Inyoung Choi, Taeyoung Chung, Daechul Jeong, and Bumman Kim, “A RF CMOS Band-pass Tracking Filter with Enhanced Q and High Linearity,” in Asia-Pacific Microwave Conference (APMC) 2011, Melbourne, Australia, 5-8, Dec. 2011.
• Seunghoon Jee , Junghwan Moon, Jungjoon Kim, Junghwan Son, and Bumman Kim, “Class-E Power Amplifier Optimization for Operation above Maximum Frequency,” IEEE Conference on Microwaves, Communications, Antennas and Electronics Systems, Tel aviv, Isreal, 7-9, Nov. 2011.
• Junghwan Son, Ildu Kim, Junghwan Moon, Juyeon Lee, and Bumman Kim, “A Highly Efficient Asymmetric Doherty Power Amplifier with a New Output Combining Circuit,” IEEE Conference on Microwaves, Communications, Antennas and Electronics Systems, Tel aviv, Isreal, 7-9, Nov. 2011.
• Bumman Kim, “Multiband-Multiband PA operation,” invited talk, in 10th Int. conf. on Telecommunication in Modern Satelite, Cable and Broadcasting Services (TELSIKS), Serbia, Nis, Out. 2011.
• Junghwan Moon, Juyeon Lee, Junghwan Son, Jungjoon Kim, Seunghoon Jee, Seungchan Kim, and Bumman Kim, “Effects of even-order terms on behavior model of envelope tracking transmitters,” Proc. 41th Eur. Microw. Conf., Manchester, UK, Oct. 2011
• Junghwan Moon, Seunghoon Jee, Jungjoon Kim, and Bumman Kim, “Investigation of a class-F^-1 power amplifier with a nonlinear C_out,” Proc. 41th Eur. Microw. Conf., Manchester, UK, Oct. 2011.
• Daehyun Kang, Dongsu Kim, Jooseung Kim, Yunsung Cho, Byungjoon Park, Chenxi Zhao, and Bumman Kim, “Envelope-Tracking Two-Stage Power Amplifiers,” Proc. 41th Eur. Microw. Conf., Manchester, UK, Oct. 2011.
• Jungjoon Kim, Junghwan Moon, Junghwan Son, Seunghoon Jee, Juyeon Lee, Jeonghyeon Cha, Ildu Kim, and Bumman Kim, “Highly Efficient Envelope Tracking Transmitter by Utilizing Sinking Current,” Proc. 41th Eur. Microw. Conf., Manchester, UK, Oct. 2011.
• Dongsu Kim, Daehyun Kang, Jooseung Kim, Yunsung Cho, and Bumman Kim, ”Linearity Improvement of Envelope Tracking Power Amplifier Using Gain Compensated Predistortion,” Proc. 41th Eur. Microw. Conf., Manchester, UK, Oct. 2011.
• Bumman Kim, “ET PA for handset application,” invited talk, in Proc. 41th Eur. Microw. Conf., Manchester, UK, Oct. 2011.
• Bumman Kim, “Flexible Doherty Power Amplifier for Intelligent Radio” Keynote speech, 2011 IEEE MTT-S Int. Microw. Workshop Series on Intelligent Fadio for Future Personal Terminals, Daejeon, KOREA, 24-25 Aug. 2011.
• Junghwan Moon, Junghwan Son, Juyeon Lee, Jungjoon Kim, Seunghoon Jee, Seungchan Kim, and Bumman Kim, “A multimode/multiband envelope tracking transmitter with broadband saturated power amplifier,” in IEEE MTT-S Int. Microw. Sympo. Dig., Baltimore, USA, Jun. 2011.
• Daehyun Kang, Dongsu Kim, Yunsung Cho, Jooseung Kim, Byungjoon Park, Chexni Zhao, and Bumman Kim, “1.6-2.1 GHz broadband Doherty power amplifiers for LTE handset applications,” in IEEE MTT-S Int. Microw. Sympo. Dig., Baltimore, USA, Jun. 2011.
• Junghwan Moon, Juyeon Lee, and Bumman Kim, “Highest Efficiency Award at Student High-efficiency Power Amplifier Design Competition,” in IEEE MTT-S Int. Microw. Symp. Dig., Baltimore, MD, USA, Jun. 2011.
• Heesong Seo, Inyoung Choi, Changjoon Park, Jehyung Yoon, and Bumman Kim, “Digital RF Receiver Front-end With Wideband Operation Capability for m-WiMAX,”  in IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Baltimore, MD, USA, 5-7 Jun. 2011.
• Bumman Kim, “Linear Power Amplifier Design for Mobile Communications” Tutorial talk, IEEE Wireless and Microwave Technology Conference (WAMICON) 2011. Hilton Clearwater Beach Florida, USA, 18-19 Apr. 2011.
• Bumman Kim, “Flexible Doherty power amplifiers for base station applications; multi way and ET operation” invited speaker at forum, 2011 IEEE International Solid-State Circuits Conference, San Francisco, USA, 20-24 Feb. 2011.
• Bumman Kim, “Interactive workshop on Power Amplifier Efficiency and Linearity Enhancement” Panel Session. 2011 IEEE Radio and Wireless Symposium (RWS), Phoenix Az, USA, 16-19 Jan. 2011.

 2010

• Bumman Kim, “Digitally Enhanced Linear Power Amplifier” invited talk, in Asia-Pacific Microwave Conference (APMC) 2010, Yokohama, Japan, Dec. 2010.
• Bumman Kim, “Modeling and Design Techniques for High Power Amplifiers and their Performance” short course, in Asia-Pacific Microwave Conference (APMC) 2010, Yokohama, Japan, Dec. 2010.
• Bumman Kim, “Recent trend of Power Amplifiers for transmitters of Mobile Communication” keynote speech, 2010 International Conference on Advanced Technologies for Communications, Ho Chi Minh City, Vietnam, 20~22 Oct. 2010.
• Daehyun Kang, Jinsung Choi, Dongsu Kim, Bumman Kim, “LTE power amplifier for envelope tracking polar transmitters,” Proc. 40th Eur. Microw. Conf., Paris, France, Sep. 2010.
• Junghwan Son, Jungjoon Kim, Junghwan Moon, Ildu Kim, Seunghoon Jee, and Bumman Kim, "3.5-GHz High Efficient Envelope Tracking Transmitter System for Base Station" Proc. 40th Eur. Microw. Conf., Paris, France, Sep. 2010.
• Jungjoon Kim, Junghwan Moon, Daehyun Kang, Seunghoon Jee, Young Yun Woo, and Bumman Kim, "Doherty power amplifier design employing direct input power dividing for base station applications," Proc. 40th Eur. Microw. Conf., Paris, France, Sep. 2010.
• Junghwan Moon and Bumman Kim, "Wideband digital feedback predistortion employing segmented memory compensation for linearization of Doherty amplifier," Proc. 40th Eur. Microw. Conf., Paris, France, Sep. 2010.
• Bumman Kim, “Recent Trend of Power Amplifiers for Transmitters of Mobile Communications” invited talk, in 2010 IEEE Lester Eastman Conf., on High Performance Devices, New York, Aug., 2010.
• Bumman Kim, “Gallium Nitride vs the Rest of the III-V’s” Panel Session, in 2010 IEEE Lester Eastman Conf., on High Performance Devices, New York, Aug., 2010.
• Bumman Kim, Daehyun Kang, Jinsung Choi, and Dongsu Kim, “Doherty power amplifiers for handset applications”, invited paper 18^th Int. Conf. on Microw., Radar., Wireless Commun. MIKON-2010, Lithuania, Jun. 2010.
• Bumman Kim, Junghwan Moon, and Jungjoon Kim "Highly efficient saturated power amplifier based on GaN - A class P amplifier ," invited talk, workshop, IEEE MTT-S Int. Microw. Sympo. Dig. Anaheim, USA, May. 2010. 
• Ildu Kim, and Bumman Kim, "A 2.655 GHz 3-stage Doherty power amplifier using envelope tracking technique," IEEE MTT-S Int. Microw. Sympo. Dig. Anaheim, USA, May, 2010.
• Dongsu Kim, Jinsung Choi, Daehyun Kang, and Bumman Kim, “High Efficiency and Wideband Envelope Tracking Power Amplifier with Sweet Spot Tracking,” in IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Anaheim, CA, USA, 23-25 May. 2010.
• Jinsung Choi, Dongsu Kim, Daehyun Kang, Jungmin Park, Boshi Jin, and Bumman Kim, “Envelope Tracking Power Amplifier Robust to Battery Depletion,” in IEEE MTT-S Int. Microw. Sympo. Dig., Anaheim, CA, USA, 23-28 May. 2010.
• Daehyun Kang, Jinsung Choi, Dongsu Kim, Daekyu Yu, Kyoungjoon Min, and Bumman Kim, “30.3% PAE HBT Doherty power amplifier for 2.5~2.7 GHz Mobile WiMAX,” IEEE MTT-S int. Microw. Symp. Dig. Anaheim, USA, May. 2010.
• Junghwan Moon, Junghwan Son, Jungjoon Kim, Ildu Kim, Seunghoon Jee, Young Yun Woo, and Bumman Kim, "Doherty amplifier with envelope tracking for high efficiency," IEEE MTT-S Int. Microw. Sympo. Dig. Anaheim, USA, May. 2010.
• Bumman Kim, "Recent trend of power amplifiers for mobile communication," keynote speech. 2010 Int. Conf. on Microw. and Millimeter Wave Techn., Chengdu, China, 8-11 May. 2010.
• Boshi Jin, Junghwan Moon, and Bumman Kim, "A wideband CMOS power amplifier design for 2.3-GHz and 2.6-GHz m-WiMAX system," 2010 Int. Conf. on Microw. and Millimeter Wave Techn., Chengdu, China, 8-11 May. 2010.
• Bumman Kim, Jinsung Choi, Daehyun Kang, and Dongsu Kim, “A Multi-mode envelope tracking power amplifier for software defined radio transmitters,” invited paper in IEEE Int. Microw. Workshop Series on RF Front-ends for Software Defined and Cognitive Radio Solutions, Feb. 2010.
• Bumman Kim, “Interactive Panel Session on Power Amplifiers,” panel session, 2010 IEEE Radio and Wireless Symposium (RWS), LA, USA, 10-14 Jan. 2010.
• Bumman Kim, “Linear Power Amplifiers for Mobile Com-munication Systems,” distinguished lecture, 2010 IEEE Radio and Wireless Symposium (RWS), LA, USA, 10-14 Jan. 2010.

2009

• Bumman Kim, Junghwan Moon, Jangheon Kim, and Jungjoon Kim, “Highly efficient saturated power amplifier with realizable harmonic loading circuits,” invited paper in 12th International Symposium on Microwave and Optical Technology, Dec. 2009.
• Jeong-Cheol Lee, Moonkyung Ahn, Myung-Woon Hwang, Sangwoo Han, and Bumman Kim, “A low-voltage wideband voltage-controlled oscillator for ISDB-T," in Asia-Pacific Microwave Conference (APMC) 2009, Singapore, Dec. 7-10, 2009.
• Jehyung Yoon, Changjoon Park, Heesong Seo, Inyoung Choi, and Bumman Kim, ”A wideband Linear LNA using Dual-Feedback for TV tuner,” IEEE Conference on Microwaves, Communications, Antennas and Electronics Systems, Tel aviv, Isreal, Nov. 9-11, 2009.
• Bumman Kim, Jinsung Choi, Daehyun Kang, and Dongsu Kim, “Optimized Envelope Tracking Operation of Doherty Power Amplifier,” invited paper in 3rd Int. Conf. on Signals, Circuits, and Systems, Nov. 2009.
• Bumman Kim, Jinsung Choi, Daehyun Kang, and Dongsu Kim, “Envelope Tracking Technique for Multimode PA Operation,” invited paper in Proc. 39th Eur. Microw. Conf., Oct. 2009.
• Daehyun Kang, Jinsung Choi, Myoungsu Jun, Dongsu Kim, Jungmin Park, Boshi Jin, Daekyu Yu, Kyungjun Min, and Bumman Kim, “Broadband class-F power amplifiers for handset applications,” Proc. 39th Eur. Microw. Conf., Rome, Italy, 28 Sep.- 2 Oct. 2009.
• Junghwan Moon, Young Yun Woo, Bumman Kim, “A Highly Efficient Doherty Power Amplifier Employing Optimized Carrier Cell,” Proc. 39th Eur. Microw. Conf., Rome, Italy, 28 Sep.- 2 Oct., 2009.
• Jangheon Kim, Junghwan Moon, Jungjoon Kim, Slim Boumaiza, and Bumman Kim, “A Novel Design Method of Highly Efficient Saturated Power Amplifier Based on Self-Generated Harmonic Currents,” Proc. 39th Eur. Microw. Conf., Rome, Italy, 28 Sep.- 2 Oct. 2009.
• Bumman Kim, Jongchan Kang, Boshi Jin, and Daehyun Kang, "CMOS linear power amplifier," invited talk, 2009 IEEE Radio Frequency Integrated Circuits (RFIC) Symp.., Boston, USA, Jun. 7-9, 2009.
• Changjoon Park, Jehyung Yoon, and Bumman Kim, "Non-Decimation FIR Filter for Digital RF Sampling Receiver with Wideband Operation Capability," in IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Boston, MA, USA, Jun. 7-9, 2009.
• Jinsung Choi, Dongsu Kim, Daehyun Kang, Myoungsu Jun, Boshi Jin, Jungmin Park, and Bumman Kim, “A 45/46/34% PAE linear polar transmitter for EDGE/WCDMA/Mobile-WiMax,” in IEEE MTT-S Int. Microw. Sympo. Dig., Boston, MA, USA, Jun. 7-12, 2009.
• Daehyun Kang, Jinsung Choi, Daekyu Yu, Kyungjun Min, Dongsu Kim, Myoungsu Jun, Jungmin Park, Boshi Jin, and Bumman Kim, “Input power dividing of Doherty power amplifiers for handset applications,” in IEEE MTT-S Int. Microw. Sympo. Dig., Boston, MA, USA, Jun. 7-12, 2009.
• Ildu Kim, Jangheon Kim, Junghwan Moon, Jungjoon Kim, YoungYun Woo, and Bumman Kim, "Hybrid EER transmitter using highly efficient saturated power amplifier for 802.16e mobile WiMAX application," in IEEE MTT-S Int. Microwave Symp., Boston, MA, USA, Jun. 7-12, 2009
• Bumman Kim and Jinsung Choi, “A new emerging technology of digitally assisted RF circuits,” invited talk in IEEE Mini-Colloquium on Nano-Scale Devices and Circuits, Seoul, Korea, Apr. 2009.

2008

• Hee-Ran Ahn, and Bumman Kim, "Modified small asymmetric impedance transformers," in 2008 IEEE MTT-S IMWS on Art of Miniaturizing RF and Microwave Passive Components Proceeding, pp. 71-74, Chengdu, Dec. 14-15, 2008.
• Boshi Jin, Jinsung Choi, Daehyun Kang Myoungsu Jun, and Bumman Kim, “Optimized design of wideband transformer for handset CMOS power amplifier application,” in Asia-Pacific Microwave Conference (APMC) 2008, Hongkong, China, Dec. 16-20, 2008.
• Hee-Ran Ahn, Jungjoon Kim, and Bumman Kim, “Branch-line hybrids with -15dB coupling power," in Asia-Pacific Microwave Conference (APMC) 2008, Hongkong, China, Dec. 16-20, 2008.
• Daehyun Kang, Daekyu Yu, Kyoungjoon Min, Jinsung Choi, Myoungsu Jun, Dongsu Kim, and Bumman Kim, “Class-AB/F Doherty power amplifiers,” Proc. 38^th Eur. Microw. Conf., Amsterdam, Netherlands, Oct. 2008.
• Jangheon Kim, Junghwan Moon and Bumman Kim, "Highest Efficiency Award at Student High-efficiency Power Amplifier Design Competition,"in IEEE MTT-S Int. Microwave Symp., Atlanta, Georgia, USA, Jun. 15-20, 2008.
• Sangsu Jin, Tae-Young Oh, Kuk-Tae Hong, Hong-Teuk Kim, and Bumman Kim, "Wide-band CMOS loop-through amplifier for cable TV tuner," in IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Atlanta, Georgia, USA, Jun. 15-17, 2008.
• Ildu Kim, Junghwan Moon, Jangheon Kim, Jungjoon Kim, Cheol soo Seo, Kae-oh Sun, Cheol woo Ahn, and Bumman Kim, "Envelope injection consideration of high power hybrid EER transmitter for IEEE 802.16e mobile WiMAX application," in IEEE MTT-S Int. Microwave Symp., Atlanta, Georgia, USA, Jun. 15-20, 2008.
• Bumman Kim, Jinsung Choi, "Delta-Sigma modulator(DSM) based polar transmitter," invited talk, IEEE MTT-S Int. Microwave Symp., Atlanta, Georgia, USA, Jun. 15-20, 2008.
• Bumman Kim, Jangheon Kim, Jinsung Choi, and Ildu Kim, "Performance enhancement of linear power amplifier employing digital technique, invited paper in Proc. IEEE Int. Symp. Circuits Systems, Seattle, WA(USA), May 2008.
• Bumman Kim, "Power amplifiers for next generation transmitters," invited talk, 2008 International Conferece on Microwave and Millimeter Wave(ICMMT2008), Nanjing, China, Apr. 21-24, 2008.
• Bumman Kim, Young Yun Woo, Jangheon Kim, and Daehyun Kang, "Investigation of high-efficiency class-F and inverse class-F power amplifier and their linear operation," invited talk, 2008 IEEE Radio and Wireless Symposium (RWS), Orlando, FL, USA, Jan. 22-24, 2008.
• Bumman Kim, Jangheon Kim, and Junghwan Moon, "Microwave Doherty power amplifier for high efficiency and linearity," invited talk, 2008 IEEE Topical Symposium on Power Amplifier for Wireless Communications, Orlando, FL, USA, Jan. 21-22, 2008.

2007

• Bumman Kim, Jangheon Kim, Daekyu Yu, and Joongjin Nam, "High efficiency Doherty amplifier with good linearity for mobile handset applications," invited talk, Microwave Workshop and Exhibition, Pacifico Yokohama, Japan, Nov. 2007.
• Bumman Kim, "High efficiency linear PA technique for basestations," panel session, 29th IEEE Compound Semiconductor IC (CSIC) Symp., Oregon, USA, Oct. 2007.
• Hee-Ran Ahn and Bumman Kim, "Left-handed small impedance transformers and their application to arbitrary phase differentiated lumped baluns for impedance transforming," in Asia-Pacific Microwave Conference 2007, Bangkok, Thailand, Dec. 2007.
• Bumman Kim, Jinsung Choi, and Ildu Kim, "High efficiency RF transmitter modulating power supply," invited talk, in 8th Int. conf. on Telecommunication in Modern Satelite, Cable and Broadcasting Services (TELSIKS), Nis, Serbia, Sep. 2007.
• Ildu Kim, Young Yun Woo, Sungchul Hong, and Bumman Kim, "High efficiency hybrid EER transmitter for WCDMA application using optimized power amplifier," Proc. 37^th Eur. Microw. Conf., Munich, Germany, Oct. 2007.
• Junghwan Moon, Jangheon Kim, Ildu Kim, Young Yun Woo, Sungchul Hong, Han Seok Kim, Jong Sung Lee, and Bumman Kim, "GaN HEMT based Doherty amplifier for 3.5-GHz WiMAX applications," Proc. 37^th Eur. Microw. Conf., Munich, Germany, Oct. 2007.
• Jangheon Kim, Bumman Kim, and Young Yun Woo, "Advanced design of linear Doherty amplifier for high efficiency using saturation amplifier," in IEEE MTT-S Int. Microw. Symp. Dig., Jun. 2007.
• Young Yun Woo, Jangheon Kim, Sungchul Hong, Ildu Kim, Junghwan Moon, Jaehyok Yi, and Bumman Kim, "A new adaptive digital predistortion technique employing feedback technique," in IEEE MTT-S Int. Microw. Symp. Dig., Jun. 2007.
• Sungchul Hong, Young Yun Woo, Ildu Kim, Jangheon Kim, Junghwan Moon, Han Seok Kim, Jong Sung Lee, and Bumman Kim, "High efficiency GaN HEMT power amplifier optimized for OFDM EER transmitter," in IEEE MTT-S Int. Microw. Symp. Dig., Jun. 2007.
• Jinsung Choi, Jounghyun Yim, Jinho Yang, Jingook Kim, Jeonghyun Cha, and Bumman Kim, "A Delta-Sigma-Digitized RF transmitter," in IEEE MTT-S Int. Microw. Symp. Dig., Jun. 2007.
• Hee-Ran Ahn, Sekyeong Lee, Junghwan Moon, and Bumman Kim, "Left-handed transmission lines and left-handed small impedance transformers (LHCCTs)," in international MINT-MIS2007/TSMMW 2007/MilliLab Workshop digest, Seoul, Korea, Feb. 2007.
• Bumman Kim, Joongjin Nam and Daekyu Yu, "Doherty linear power amplifiers for mobile handset applications," invited paper, 2007 IEEE Radio and Wireless Symposium (RWS), Long Beach, California, USA, pp. 301-304,  Jan., 9~11, 2007.

  2006

• Bumman Kim, Joongjin Nam and Daekyu Yu, "Doherty Linear Power Amplifiers for Mobile Handset Applications," invited paper, Asia-Pacific Microwave Conference (APMC) 2006, Yokohama, Japan, pp. 1885-1892,  Dec. 2006.
• Hee-Ran Ahn, Kyoungjoon Min, Daehyun Kang, Sungchul Hong and Bumman Kim , “Coupling-Compensated 180° Phase Shift Coupled-Line Filters Terminated in Arbitrary Impedances,” in Asia-Pacific Microwave Conference (APMC) 2006, Yokohama, Japan, pp. 649-652,  Dec. 2006.
• Bumman Kim, "3G & 4G Handset Transmitters," invited paper, The 10th Vietnam Conference on Radio & Electronics, Hanoi, Vietnam, Nov. 6~7, 2006.
• Ildu Kim, Jeonghyeon Cha, Sungchul Hong, Young Yun Woo, Jangheon Kim, and Bumman Kim, "Predistortion Power Amplifier for Base-Station using a Feedforward Loop Linearizer," 36^th European Microwave Conference, Manchester, UK, pp. 141-144, Sep. 2006.
• Young Yun Woo and Bumman Kim, “ Highest Efficiency Award at Student High-efficiency Power Amplifier Design Competition,” IEEE MTT-S Int. Microwave Symp., San Francisco, USA, Jun. 11-16, 2006.
• Bumman Kim, Y. Woo, H. Kim, J. Choi, and J. Yang, “ 3G & 4G Handset Transmitter based on Switching Power Amplifiers,” IEEE MTT-S Int. Microwave Symp., San Francisco, USA, WMB: Switching mode amplifiers with applications to wireless tansmitter design pp.115-132, Jun. 11-16, 2006.
• Daekyu Yu, Yong-woong Kim, Kichon Han, Jin-ho Shin, and Bumman Kim, “ Fully Integrated Doherty Power Amplifiers for 5 GHz Wireless-LANs,” IEEE Radio Frequency Integrated Circuits (RFIC) Symp., San Francisco, USA, pp.177-180, Jun. 11-13, 2006.
• O. Hammi, S. Boumaiza, Jangheon Kim, Sungchul Hong, Ildu Kim, Bumman Kim and F. M. Ghannouchi, “RF Power Amplifiers for Emerging Wireless Communications: Single Branch vs. Multi-Branch architectures, "IEEE Canadian Conference on Electrical and Computer Engineering," Ottawa, ON, Canada, pp. 1469 - 1472, May 7-10, 2006.
• Jongchan Kang, Ali Hajimiri, Bumman Kim, "A Single-Chip Linear CMOS Power Amplifier for 2.4 GHz WLAN," 2006 IEEE International Solid-State Circuits Conference, San Francisco, CA, pp.208-209, Feb. 2006.
• Bumman Kim, Jangheon Kim, and Jeonghyeon Cha, "The Doherty Power Amplifier Technique for Base Station Application," Invited Keynote Speech at 2006 INMMIC, Aveiro, Portugal, Jan. 2006.
• Bumman Kim and Jongchan Kang, "Postech activities on CMOS based Linear Power Amplifiers," invited paper in Plarnary session,2006 IEEE Topical Workshop on Power Amplifiers for Wireless Communications, San Diego, California, Jan. 16-17, 2006.

 2005

• Jinsung Choi, Seonghan Ryu¤, Huijung Kim, and Bumman Kim, "A Low Phase Noise 2 GHz VCO using 0.13 um CMOS process," in Asia-Pacific Microwave Conference (APMC) 2005, Suzhou, China, pp. 2270-2272,  Dec. 2005.
• Huijung Kim , Seonghan Ryu , Seunghyun Lee, Sanghyeok Choi, Changjoon Park, Sangsu Jin, Jongryul Lee, and Bumman Kim, "A single-chip multi-mode RF front-end circuit and module for W-CDMA, PCS, and GPS applications," 35^th European Microwave Conference, Paris, France, pp. 367 - 370, Oct. 2005.
• Jangheon Kim, Jeonghyeon Cha, Ildu Kim, Bumman Kim, Sang Yeon Noh, and Cheon Seok Park, "Advanced Design Methods of Doherty Amplifier for Wide Bandwidth, High Efficiency Base Station Power Amplifiers," 35^th European Microwave Conference, Paris, France, pp. 963 - 966, Oct. 2005.
• Joongjin Nam, Jin-Ho Shin, and Bumman Kim, "The Handset Power Amplifier using Continuous Bias Control," International Technical Conference on Circuits/Systems, Computers and Communications, Jeju, Korea, pp. 1265 - 1266, Jul. 2005.
• Jongchan Kang and Bumman Kim, "0.18 um CMOS Power Amplifier with High Efficiency and Linearity," International Technical Conference on Circuits/Systems, Computers and Communications, Jeju, Korea, pp. 1371 - 1372, Jul. 2005.
• Ildu Kim, Jangheon Kim, Jeonghyeon Cha, YoungYun Woo, Sungchul Hong, and Bumman Kim, “The linearity and efficiency improvement of 3-way Doherty amplifier with uneven power drive,” International Technical Conference on Circuits/Systems, Computers and Communications, Jeju, Korea, pp. 369 - 370, Jul. 2005.
• Kyungho Lee, Jehyung Yoon, Jounghyun Yim, Jongchan Kang, Donghyun Baek, Soonhag Lee, Ilhun Shon,  and Bumman Kim, "An Improved Silicon RF LDMOSFET Model with a New Extraction Method for Nonlinear Drift Resistance," IEEE Radio Frequency Integrated Circuit Symp., Long Beach, CA (USA), pp. 153 - 156, Jun. 2005. 
• Seonghan Ryu, Yujin Chung, Huijung Kim, Jinsung Choi and Bumman Kim, "Phase Noise Optimization of CMOS VCO through Harmonic Tuning," IEEE Radio Frequency Integrated Circuit Symp., Long Beach, CA (USA), pp. 403 - 406, Jun. 2005.
• Jongchan Kang, Kyungho Lee, Jehyung Yoon, Yisun Chung¤, Sungbo Hwang¤ and Bumman Kim, "Differential CMOS Linear Power Amplifier with 2nd  Harmonic  Termination at Common Source Node," IEEE Radio Frequency Integrated Circuit Symp., Long Beach, CA (USA), pp. 443 - 446, Jun. 2005.     
• Seungwoo Kim, Kyungho Lee, Peter J. Zampardi, and Bumman Kim, "CDMA Handset Power Amplifier with Diode Load Modulator," IEEE MTT-S Int. Microwave Symp., Long Beach, CA (USA), pp. 653 - 656, Jun. 2005.
• Kwangsik Choi, Daekyu Yu, Kyungho Lee, and Bumman Kim, "fmax Enhancement of HBTs Using New Self-alinged Emitter-Base Matallization Technique," Topical Symposium on Millimeter Waves(TSMMW), Seoul, Korea, pp. 303 - 306, Feb. 2005.  

 2004

• Bumman Kim, Jeonghyeon Cha, Bumjae Shin, Jangheon Kim, and Ildu Kim, "High Power Microwave Doherty Amplifier for Linearity and Efficiency Enhancements," invited talk , in Asia-Pacific Microwave Conference(APMC 2004), Deli, India, 15-18 Dec. 2004.
• Daekyu Yu, Kwangsik Choi, Kyungho Lee, Bumman Kim, D. Ontiveros, K. Vargason, J.M. Kuo, and Y.C. Kao, "Ultra High_Speed 0.25-μm Emitter InP-InGaAs SHBTs with fmax of 687 GHz,” IEEE International Electron Devices Meeting (IEDM), San Francisco, USA, pp. 557-560, Dec. 2004.
• Sangsu Jin, Seonghan Ryu, Huijung Kim, Jong-Ryul Lee, and Bumman Kim, "Development of Linear Channel-Selection Filter for Direct Conversion Receivers,"  LG Best Paper Award, International SoC Design Conference, Seoul, Korea, pp. 83- 86, 25-26 Oct. 2004 .
• Changjoon Park, Huijung Kim, Jong-Ryul Lee, and Bumman Kim, "Dual mode Low Noise Amplifier for WCDMA Applications," International SoC Design Conference, Seoul, Korea, pp. 184- 187, 25-26 Oct. 2004 .
• Joongjin Nam, Youngwoong Kim, Jin-Ho Shin, and Bumman Kim, "A CDMA and AMPS Handset Power Amplifier based on Load Modulation Technique,"  34th European Microwave Conf. digest, Amsterdam, Netherlands, 12th GAAS2004, pp. 523- 526, Oct., 2004.
• Daekyu Yu, Kwangsik Choi, Kyungho Lee, Bumman Kim, D. Ontiveros, K. Vargason, J.M. Kuo, and Y.C. Kao, "Realization of High-Speed InP SHBTs using Novel but Simple Techniques for Parasitic Reduction,” 16^th International Conference on Indium Phosphide and Related Materials, Kagoshima, pp. 753-756, Jun. 2004.
• Bumman Kim, "Microwave Doherty Amplifier for High Linearity and Efficiency", invited talk , IEEE MTT-S Int. Microwave Symp. Workshop, Fort Worth,Texas, Jun. 2004
•  Seungwoo Kim, Jongwoo Lee, Jinho Shin, and Bumman Kim, "CDMA Handset Power Amplifier with a Switched Output Matching Circuit for Low/High Power Mode Operations," IEEE MTT-S Int. Microwave Symp., Fort Worth,Texas, pp.533-536, Jun. 2004.
•  Jeonghyeon Cha, Jangheon Kim, Bumman Kim, Jong Sung Lee, and Sang Hoon Kim, "Highly Efficient Power Amplifier for CDMA Base Stations Using Doherty Configuration," IEEE MTT-S Int. Microwave Symp., Fort Worth,Texas, pp.533-536, Jun. 2004.
•  Bumjae Shin, Jeonghyeon Cha, Jangheon Kim, Y.Y. Woo, Jaehyok Yi, and Bumman Kim, "Linear Power Amplifier based on 3-Way Doherty Amplifier with Predistorter," IEEE MTT-S Int. Microwave Symp., Fort Worth,Texas, pp. 2027-2030, Jun. 2004.
•  Bumman Kim, Kyungho Lee, Daekyu Yu, "Current Status of Millimeter-Wave Transistor Technology," plenary talk , Topical Symposium on Millimeter Waves(TSMMW), Yokosuka, Japan, Feb. 2004.

 2003

• Sanghoon Kang and Bumman Kim, "Second Order Nonlinearity Analysis of Gilbert Mixer," IEEE Radio Frequency Integrated Circuit Symp., Philadelphia, pp. 559 – 562, 8-10 Jun. 2003.
• Young Yun Woo, Jaehyok Yi, Youngoo Yang, and Bumman Kim, "SDR Transmitter Based on LINC Amplifier with Bias Control," IEEE MTT-S Int. Microwave Symp., Philadelphia, Vol. 3, pp. 1703 - 1706, 8-13 Jun.2003.
• Jeonghyeon Cha, Youngoo Yang, Bumjae Shin, and Bumman Kim, "An Adaptive Bias Controlled Power Amplifier with a Load-Modulated Combining Scheme for High Efficiency and Linearity," IEEE MTT-S Int. Microwave Symp., Philadelphia, Vol. 1, pp. 81 - 84, 8-13 Jun. 2003.
• Bumman Kim, Youngoo Yang, Jaehyok Yi, Young Yun Woo, and Jeonghyeon Cha, "Optimum Design of Microwave Doherty Amplifier for Linearity and Efficiency," invited paper, PIERS, Singapore, Jan. 2003.

2002

• Jongchan Kang, Youngoo Yang, Sungwoo Kim, and Bumman Kim "A Heterojunction Bipolar Transistor Large-signal Model Focused on the Saturation Region,"  32th Euroupean Microwave Conference Dig., Milan, Italy, Vol. 3, pp. 147-150, Sep. 2002.
• Seonghan Ryu, Huijung Kim, Joonyoul Lim, Jounghyun Yim, Woosung Kwon, and Bumman Kim, Kyounghoon Im, Youngwoong Kim, Seogtae Han, "Monolithic Ka-band VCO with wide tuning range," 32th European Microwave Conference Dig., Milan, Italy. pp. 845-847, Sep. 2002.
• Bumman Kim, Young Yun Woo, Jaehyok Yi, Joongjin Nam, and Jeonghyeon Cha, “A New Adaptive Feedforward Amplifier Using Imperfect Signal Cancellation,” 3rd International Conference on Microwave and Millimeter Wave Technology (ICMMT2002), Beijing, China, Au. 2002.
• Y. Yang, Y.Y. Woo, J. Cha, J. Yi, and B. Kim, "New Linearization Method for the Modulated Signals with High Peak-to-Average Ratio: Peak-to-Average Ratio Reduction and Expansion,"  IEEE MTT-S Int. Microwave Sympo., Seattle, Vol. 2 , pp.777 -780, Jun. 2002.
• Y. Y. Woo, Y. Yang, J. Yi, J. Nam, J. Cha, and B. Kim, "Feedforward Amplifier for WCDMA Base Stations with a New Adaptive Control Method," IEEE MTT-S Int. Microwave Sympo., Seattle, Vol. 2 , pp.769 -772, Jun. 2002.
• Sanghoon Kang, Byounggi Choi and Bumman Kim, "Linearity Analysis of CMOS for RF Application," IEEE Radio Frequency Integrated Circuit Symp., Seattle, pp. 363-366, Jun. 2002.
• Sungmin Ock, Kichon Han, Jong-Ryul Lee and Bumman Kim, "A modified cascode type low noise amplifier using dual common source transistors," IEEE MTT-S Int. Microwave Sympo., Seattle, Vol. 3 , pp.1423 -1426, Jun. 2002.
• Ali Darwish, Amin Ezzeddine, Ho C. Huang, K. Bumman, L. Joonyoul, Y. Sungwhan, M. Mah and J. Cook, "Vertical balun and Wilkinson divider," IEEE MTT-S Int. Microwave Sympo., Seattle, Vol. 1 , pp.109 -112, Jun. 2002.

          2001

• Youngsik Kim, JiYoun Kim, Sungwoo Kim, and Bumman Kim, "A Novel Method for the Higher Order Components Extraction of the Channel Current in GaAs MESFET," 31th European Microwave Conf. digest, ExCel Conferance Centre, London, GAAS 2001, pp307-310, Sep. 2001.
• Woonyun Kim, Sanghoon Kang, Kyungho Lee, Minchul Chung, and Bumman Kim, " Nonlinear Behavior of Power HBTs, " 31th European Microwave Conf. digest, ExCel Conferance Centre, London, , GAAS 2001, pp. 41 - 44,  Sep. 2001.
• B. Kim, Y. Yang, J. Cha, Y.Y. Woo and J. Yi, " Measurement of Memory Effect of High-Power Si LDMOSFET Amplifier Using Two-tone Phase Evaluation," invited paper , 58th IEEE ARFTG Conf., 2001.
• B. Kim, W. Kim, K. Lee, and S. Kang, " Assessment of Nonlinear Behavior of Power HBT," invited paper ,IEEE Topical Workshop on Power Amplifier for Wireless Communication, Sep. 2001.
• B. Kim, Y.Yang, J. Yi, J. Nam, Y. Y. Woo, and J. Cha, "Efficiency Enhancement of Linear Power Amplifier Using load Modulation Technique," invited paper , ISMOT' 2001, Motreal, Canada, pp 505-508, Jun. 2001.
• Y.Yang, J. Yi, Y. Y. Woo, and B. Kim, "Experimental Investigation on Efficiency and Linearity of Microwave Doherty Amplifier," IEEE MTT-S Int. Microwave Sympo., Phoenix Arizona, pp1367- 1370, May. 2001.
• Y.Yang, J. Yi, Y. Y. Woo, and B. Kim, "Adaptive RF Cartesian Predistorter Based on The Low Frequency Even Order IM terms," IEEE MTT-S Int. Microwave Sympo., Phoenix Arizona, pp793-796, Ma.y 2001.
• J. Yi, Y. Yang, B. Kim, "Effect of efficiency Optimization on Linearity of LINC Amplifiers with CDMA signals," IEEE MTT-S Int. Microwave Sympo., Phoenix Arizona, pp. 1359 - 1362, May 2001.

　      2000

• Y. Yang, Y. Kim, J. Yi, J. Nam, B. Kim, W. Kang, and S. Kim, “Digital Controlled Adaptive Feedforward Amplifier for IMT-2000 Band,” IEEE MTT-S Int. Microwave Sympo., Boston Mass., pp.1487 - 1490, Jun. 2000.
• J. Yi, Y. Yang, M. Park, W. Kang and B. Kim, “Analog Predistortion Linearizer for High Power RF Amplifiers,” IEEE MTT-S Int. Microwave Sympo., Boston Mass., pp.1511-1514, Jun. 2000.
• Y. Suh, E. Seok, J.-H. Shin, B. Kim, et.al, "Direct Extraction Method for Internal Equivalent Circuit Parameters of HBT Small-signal Hybrid-p Model," IEEE MTT-S Int. Microwave Sympo., Boston Mass., pp.1401 - 1404, Jun. 2000.
• B. J. Kim, et al, " Epitaxial Ba0.5Sr0.5TiO3 Thin Films for Microwave Phase Shifters," ISIF 2000, Arhen. Germany. 2000
• Y. Yang, J. Yi, B. Kim, Y. Kim, and M. Park, “Measurement and Modeling of Two Tone Transfer Characteristics of High Power Amplifier,” 30^th European Microwave Conf. digest, pp. 55 - 58, Oct. 2000.
• S. Ock, Y. Yang, K. Yang and B. Kim, “New Linearization of Mixer Using Harmonic Feed-forwarding Technique,” 30^th European Microwave Conf. digest, Oct. 2000.
• Youngoo Yang, Youngyun Woo, and Bumman Kim, "A New Predistortion Using Double Bananced Diode Mixer by Mixing Fundamental with 2nd and 4th Order Im terms," 2000 Korean-Japane Microwave Workshop proceedings, Seoul Korea, Sep. 2000.
• Youngoo Yang, Youngyun Woo, and Bumman Kim, " A New Predistortion Linearlizer Using Low Frequency Even Order IM Components," 2000 2nd International Conference on Microwave and Millimeterwave Technology Proceedings, Beijing, China, pp. 416 - 419, Sep. 14 - 16, 2000.
• Woonyun Kim, Sanghoon Kang, Kyungho Lee, Minchul Chung, Youngoo Yang and Bumman Kim, "A Physical Model of the Cbc for the Linearity Characteristic of AlGaAs/GaAs HBTs," ICSMM-2000 proceedings, Kyongju, Korea, pp. 128 - 129, Sep.2000.
• Woonyun Kim, Minchul Chung, Kyungho Lee, Youngoo Yang, Sanghoon Kang and Bumman Kim, “The Effects of Nonlinear Cbc On The Linearity Of HBT,”  Asia-Pacific Microwave Conference proceedings, Sydney, Australia, pp. 875 - 879, dec. 2000.
• B. J. Kim, S. Baik, Y. Poplavko, Y. Prokopenko, J. Y. Lim, and B. M. Kim, " Epitaxial BaxSr1-Xtio3 Thin Films for Microwave Phase Shifters," Asia-Pacific Microwave Conference proceedings, Sydney, Australia, pp. 934-937, dec. 2000.
• Ali Darwish, Amin Exxeddine, Ho C. Huang, Misoon Mah, Jim Cook, Kim Bumman, Joonyoul Lim, Sunghan Yu, "Three Dimensional Transmission Lines and Special Elements Design," Asia-Pacific Microwave Conference proceedings, Sydney, Australia, pp. 225 - 228, dec. 2000.

           1999

• Bumman Kim, "Heterojunction Bipolar Transistors for RFIC application," The first NRCT-KOSEF Joint Seminar on Semiconductors, Bangkok, Thailand, 1999.11.30-12.1, Proceedings pp.98-104
• Bumman Kim, "HBT application for mobile communications," Invited Talk, 22nd Electrical Engineering Conference, Bangkok Thailand, 1999.12.2-12.3

           1998

• Y. Kim, Y. Yang, S.H. Kang and B. Kim, "Linearization of 1.85GHz Amplifier Using Feedback Predistortion Loop," IEEE MTT-S Digest, Baltimore Maryland, pp.1675-1678, 1998
• M. Kim and B. Kim, "Extraction of Noise Reduction from the Hawkins Model for Heterojunction Bipolar Transistor," Asia-Pacific Microwave Conference proceedings, 1998

           1997

• S.H. Lee, Y. Kim, T. Roh, B. Kim and I. Brassard, "Linearization of CDMA Power Amplifier by Harmonics Techniques," Wireless R&D Symposium Digest, Feb. 1997
• Tae Moon Roh, Youngsik Kim, Youngsuk Suh and Bumman Kim, " A new simple extraction method for higher order components of channel current in GaAs MESFET ," European microwaves, Israel, 1997, pp. 415-417
• J.H. Shin, J. Kim, Y. Chung, J. Lee, K.H. Ahn, and B. Kim, "Low Frequency Noise Characteristics of Self-Aligned AlGaAs/GaAs HBT's with a Noise Corner Frequency below 3kHz," 1997 IEEE MTT-S Digest pp.133-136, Denver Colorado
• Y.S. Suh, T.M. Roh, Y. Kim, J. Shin, and B. Kim, "A Novwl Extraction Method for Temperature Dependent Large Signal Equivalent Circuit Model of HBT," 27th European Microwave Conference, Jerusalem, Israel, Sept. 1997. pp.97-103
• K. Park, K. Han, and B. Kim, "Fabrication of Phase Shifter using Multilayer Process," 5th ICVC, pp.513-515, Oct. 1997
• B. Ihn, M.S. Kim, W.N. Kim, J.G. Lee, K.S. Park, M.C. Jung, T.G. Oh, B.K. Kang and B. Kim, "Design and Fabrication of X-band AlGaAs/GaAs Power HBT's," 1997 Asia Pacific Microwave Conference Proceedings, pp.1113-116, Hong Kong, PRC

           1996

• J. H. Shin, Y. Chung, Y Suh, and B. Kim, "Extraction of Low Frequency Noise of Self Aligned AlGaAs/GaAs Heterojunction Bipolar Transistor," 1996 IEEE MTT Symposium, Digest. pp. 1309-1312.
• J. Lee, W. Kim, Y. Kim., T. Roh, and B. Kim, "Design Study of Linearized AlGaAs/GaAs HBTs Using Volterra Series," IEEE MTT-S Digest, San Francisco, CA, USA, 1996, pp. l775-l778

           1995

• J. O. Kim, M. S. Kim, K. I. Lee, and B. M. Kim, "Extraction of Lateral Device Parameters and Double-Diffused ChanneI Doping Profiles of VDMOST and VIGBT C-V Measurement." The 4th Intertional Conference on VLSI and CAD , Seoul Korea Oct. l5-l8, 1995, pp. 225-228
• J. W. Lee, Y. S. Suh, J. H. Shin, B. M. Kim, Y. L. Jung, H. C. Suh, W. Jung, and D S. Ma, "Experimental Study of Emitter Size Effects of Microwave AlGaAs/GaAs HBTs," The 4th International Conference on VLSI and CAD, Seoul, Korea, Oct. l5-l8, 1995, pp. 36l-363
• J. W. Lee, M. K. Kong, S. G. Cho, and B. M. Kim, "GaAs/InGaAs Heterostructure FETs with l.6W Output Power at l GHz," IEEE MTT-S Digest, 1995, pp. 453-456
• B.U. Ihn, J. Lee, Y. Suh, B. Kim, H.C. Seo, W. Jung and D.S. Ma, " Thermal Analysis of AlGaAs/GaAs Heterojunction Bipolar Transistors Including Base Recombination Current Effect," 22nd Internatinal Symposium Compound Semiconductors., Digest pp. 673-678, Aug. 1995
• Jin Ho Shin, Joonwoo Lee, Young-Seok Suh, and Bumman Kim, "1/f Noise Characteristic of AlGaAs/GaAs Heterojunction Bipolar Transistor with a Noise Corner Frequency Below l kHz," ISCS, 1995
• T. M. Roh, Y. S. Suh, B. M. Kim, W. S. Park, J. B. Lee, J. W. Kim, Y. S. Kim, and G. Y. Lee, "Linearity characteristics of the low-high doped MESFET for CDMA cellular phone," Asia Pacific Microwave Conference, pp. 117-119, 1995

           1994

• J. H. Shin, J. Lee, Y Shu. Y Kim, and B. Kim, "Experimental Investigation of Low Frequency Noise Properties of AlGaAs/GaAs and GaInP/GaAs Heterojunction Bipolar Transistors," 21st International Symposium on Compound Semiconductors, San Diego, California, Sept. l994, pp. 625-628

           1993

• Joonwoo Lee, Bumman Kim, Sungsoo Park, and Youngsik Kim, "A Comparative Study of Kirk Effect on GaAs and Si Bipolar Junction Transistors," Proceedings of ICVC'93, Taejon, Korea, pp. 408-411

           1991

• B. Kim, "Heterojunction Power FET," Invited talk, International Conference on VLSI&CAD, Oct. 1991
• J.E. Lee and B. Kim,"Characteristics of PIN diode using doping superlattice," ICVC, 1991
  "Heterojunction Power FET," Invited paper, International Conf. on VLSI & CAD, Oct. 1991

           1989

• B. Kim, Panel Discussion on High Power Microwave Sources, IEDM, San Francisco, Calif, 1989.

           1988

• B. Kim, R.J. Mathi, M. Wurtele, K. Bradshaw, and H.Q. Tserng, "Millimeter-wave AlGaAs/InGaAs/GaAs Quantum Well Power MISFET," 1988 IEDM, pp.168-171

           1987

• H.D. Shih and B. Kim, "Preparation of High-Quality MESFETs by Gas Source MBE," Electronic Materials Conference, Santa Barbara, Ca, June 24-26, 1987

           1986

• B. Kim, "GaAs/GaAlAs MISFET Technology," 1986 DARPO annual EHF meeting , San Diego Calif. Feb. 19-20, 1986
• M.A. Smith, A.M. Pavio, and B. Kim, "A Ka-Band Dual-Channel Tracking Receive Converter," 1986 IEEE MTT-S International Microwave Symposium Digest, paper Y-2, pp.643-944, June 2-4, Baltimore Maryland
• B. Kim, et al, "Millimeter-Wave Monolithic GaAs Power FET Amplifiers," 1986 GaAs IC Symposium Grenelefe, Florida, Technical Digest pp.61-63
• B. Kim, P. Saunier, and H.D. Shih, "High Performance Ka-Band GaAs Power Field-Effect Transistors," 1986 GOMAC San Diego California, Digest of Papers pp.377-378

           1985

• P. Saunier, H.Q. Tserng, B. Kim, and G.H. Westphal, "Monolithic GaAs Dual-Gate FET Variable Power Amplifier Module," IEEE 1985, Microwave and Millimeter-Wave Monolithic Circuits Symposium, St. Louis, Mo. pp.1-3
• B. Kim, H.Q. Tserng, and H.D. Shih, "High Power Distributed Amplifier Using MBE Synthesized Material," IEEE 1985, Microwave and Millimeter-Wave Monolithic Circuits Symposium, St. Louis, Mo. pp.35-37
• B. Kim, H.Q. Tserng, and H.D. Shih, "Millimeter-Wave GaAs FET's with fmax of over 110 GHz," 1985 IEEE/Cornell Conference, Cornell Univ. July 29-31, 1985
• H.Q. Tserng and B. Kim, "A 115 GHz Monolithic GaAs FET Oscillator," 1985 IEEE GaAs IC Sumposium, Monterey Calif., Nov. 12-14, 1985, pp.11-13
• B. Kim, Panel Discussion on Millimeter-wave Technology, 1985 IEEE GaAs IC Symposium, Monterey Calif. Nov. 12-14, 1985

           1983

• B. Kim, H.Q. Tserng and P. Saunier, "A GaAs Dual-Gate Power FET Operation up to K Band," Tech. Digest, 1983 ISSCC pp.200-201

           1980

• C.S. Tsai, C.C. Lee, and B. Kim, "A Review of Recent Progress on Guided-Wave Acoustooptics with Applications to Wideband Communications and Signal Processing," Tech. Digest Topical Meeting on Integrated and Guided-wave Optics, Incline Village Nevada, Jan. 28-30, 1980

           1978

• C.S. Tsai, B. Kim, and F. Akkari, "Optical Channel Waveguide Switch and Coupler Using Total Internal Reflection," Tech. Digest, 1978 Topical Meeting on Integrated and Guided-wave Optics, Salt Lake City, Utah Jan. 16-18

           1977

• C.S. Tsai, I.W. Yao, B. Kim, and Le T. Nguyen, "Wide band Guided-Wave Anisotropic Bragg Diffraction in LiNbO3 Waveguide," Technical Digest, 1977 International Conference on Integrated Optics and Optical Fiber Communication, Tokyo, Japan, July 18-29, pp.12-14
• B. Kim and C.S. Tsai, "Thin-Film Tunable Optical Filtering using Anisotropic and Noncollinear Acoustooptic Integration in LiNbO3 Waveguideds," Symp. Digest, 1977 Ultrasonic Symp. Phoenix, Az., Oct. 26-28, pp.118
• C. S. Tsai, Le T. Nguyen, B. Kim, and I. W. Yao, "Guided-Wave Acoustooptic Signal Processors for Wideband Radar System," INVITED REVIEW PAPER, Symposium on Integrated-Optics, Huntsville, Alabama, Sept. 27-29, 1977

           1976

• C.S. Tsai, B. Kim, P. Saunier and Le T. Nguyen, "Acoustooptic Bragg Diffraction using Multiple Surface Acoustic waves and Electrooptic Deflection/Modulation using tilted Electrodes," Tech. Digest, 1976 Topical Meeting on Integrated Optics, Salt Lake City, Utah, Jan. 12-14

   1975

• C.S. Tsai, M.A. Alhaider, Le T. Nguyen, and B. Kim, "Wide-band guided-wave acousto-optic Bragg devices using multiple tilted surface acoustic waves," Digest of Technical paper 1975, Ultrasonics Symposium.
• C.S.Tsai, Le T.Nguyen, and B.Kim, "Wideband guided wave array in LiNbO3 wave-guide," Dig. Tech. Paper, 1975, Ultrasonics Symp. Los Angeles, Calif., pp.42-43, Sept. 22-24

2016

• 민동규, 지승훈, 이주연, 김석현, 박윤식, 김범만, "2-stage Linear Doherty Power Amplifier for Small-Cell Base Stations", 2016년 한국전자파학회 하계종합학술대회, Jeju, Korea, Jul. 2016.
• 신준호,진하동,문경훈,정대철,김범만, "Broad-band Class F PA Using GaAs HBT Proces", 2016년 한국전자파학회 하계종합학술대회, Jeju, Korea, Jul. 2016.

2015

• Bumman Kim, "My Research Acivities of Past 40 Years," panel session, in 15th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2015.
• Jooseung Kim, Yunsung Cho, Byu-ngjoon Park, Kyunghoon Moon, and Bumman Kim, "Spurious Noise Reduction of Envelope-Tracking Power Amplifier," in 2015 Summer KIEES Conf. Dig., Jeju, Korea, Aug. 2015.

2014

• Bumman Kim, Jooseung Kim, and Kyunghoon Moon, "Analysis and Optimization of Envelope-Tracking Power Amplifier Using Mathematical Modeling," invited talk, in 14th RF Analog Circuit Workshop, Jeju, Korea, Sep. 2014.
• Byungjoon Park, Dongsu Kim, and Bumman Kim, “Envelope Tracking Power Amplifier with Improved Structure of Supply Modulator for High Knee Voltage CMOS Power Amplifiers,” best paper awards, in 14th RF Analog Circuit Workshop, Jeju, Korea, Sep. 2014.
• Kyunghoon Moon, Yunsung Cho, Jooseung Kim, Sansu Jin, Byungjoon Park, Hadong Jin, and Bumman Kim, “Highly Efficiency HBT Saturated Power Amplifier with Envelope Tracking Operation,” in 14th RF Analog Circuit Workshop, Jeju, Korea, Sep. 2014.
• 지승훈, 이주연, 김석현, 박윤식, 김범만, "High Linearity Asymmetric Doherty Power Amplifier using GaN MMIC", 2014년 한국전자파학회 하계종합학술대회, Jeju, Korea, Aug. 2014.
• 구승범, 김주승, 조윤성, 진상수, 박병준, 진하동, 문경훈, 김범만, "Highly Efficient Envelope-Tracking Modulator With Wide Output Power Dynamic Range", 2014년 한국전자파학회 하계종합학술대회, Jeju, Korea, Aug. 2014.

2013

• 손정환, 박윤식, 김석현, 김범만, "광대역 동작을 위한 고효율 포화전력증폭기" 2013 대한전자공학회 하계학술대회, Jul. 2013.
• 이종현, 김범만, "온도 보상을 지원하는 다중 방식 전력증폭기" 2013 대한전자공학회 하계학술대회, Jul. 2013.

2012

• Daechul Jeong, Hankyu Lee, Taeyoung Chung and Bumman Kim, "2.4GHz Ultra-Low Power On-Off Keying Transmitter for Bio-medical sensor nodes," in 12th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2012.
• Byungjoon Park, Bumman Kim, Jamal Dean, “CMOS Power Amplifier for LTE Signal,” in 12th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2012.
• Bumman Kim, Byungjoon Park, Jooseung Kim, “Envelope Tracking CMOS PA for LTE Application,” invited talk, in 12th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2012.
• 김정준, 손정환, 지승훈, 김범만, "고효율 EER 전력 송신기" 2012 대한전자공학회 하계학술대회, Jun. 2012.
• 손정환, 김석현, 김정준, 지승훈, 이주연, 김범만, "포락선 전압을 이용하는 2단 전력증폭기" 2012 대한전자공학회 하계학술대회, Jun. 2012.
• 지승훈, 이주연, 손정환, 김정준, 김석현, 김범만, "GaN HEMT 소자를 이용한 광대역 고효율 도허티 전력증폭기" 2012 대한전자공학회 하계학술대회, Jun. 2012.
• 이주연, 김정준, 손정환, 지승훈, 김석현, 김범만, "소형 기지국용 광대역 포화 전력 증폭기 설계" 2012 대한전자공학회 하계학술대회, Jun. 2012.

2011

• 이주연, 손정환, 문정환, 김정준, 지승훈, 김승찬, 김범만, "Highly Efficient ET transmitter for 20MHz Bandwidth Signals" 2011 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2011.
• 김석현, 문정환, 김정준, 손정환, 지승훈, 김승찬, 이주연, 김범만, "Highly efficient Doherty amplifier employing GaN and LDMOSFET cells for base station application" 2011 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2011.
• 문정환, 조윤성, 김주승, 김범만, "Digital Predistortion Technique of Handset Power Amplifier" 2011 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2011.
• Bumman Kim, "Digitally Enhanced Power Amplifier and Transmitter," invited talk, 디지털 RF 및 안테나 임베디드 라디오 시스템 워크샵, May. 2011

2010

• Daehyun Kang, Dongsu Kim and Bumman Kim, "Envelope Tracking Operation of Linear Power Amplifier for Handset Application," invited talk, in 10th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2010.
• Bumman Kim, Junghwan Moon, Jungjoon Kim, Junghwan Son and Seunghoon Jee, "Digitally Enhanced Linear Power Amplifier with High Performance," invited talk, 2010 RF 전력증폭기 Workshop, Aug. 2010.
• 최인영, 이정철, 윤제형, 서희송, 김범만, “A 0.13-μm CMOS Multi-Divider for 100 MHz ~ 1 GHz Frequency Synthesizer,” 대한전자공학회 2010 하계종합학술대회, Jun. 18, 2010.
• 정태영, 윤제형, 서희송, 최인영, 김범만, “노이즈 캔슬링 기법을 이용한 단일 입력 차동 출력 구조의 광대역 저잡음 증폭기,” 대한전자공학회 2010 하계종합학술대회, Jun. 18, 2010.
• 김정준, 문정환, 손정환, 지승훈, 김범만, "Direct input power dividing method of Doherty power amplifier for bas station applications" 2010 춘계 마이크로파 및 전파전파 학술대회 논문집, Jun, 2010.
• 문정환, 김정준, 손정환, 지승훈, 김범만, "A highly Efficient Doherty Amplifier Considering Knee Voltage Effect" 2010 춘계 마이크로파 및 전파전파 학술대회 논문집, Jun, 2010.
• 손정환, 김정준, 지승훈, 문정환, 김범만, "Highly Efficient Envelope Tracking Transmitter for Base Station" 2010 춘계 마이크로파 및 전파전파 학술대회 논문집, Jun, 2010.
• 지승훈, 문정환, 김정준, 김범만, "Saturated Doherty Power Amplifier for 3.5Ghz WiMAX Applications" 2010 춘계 마이크로파 및 전파전파 학술대회 논문집, Jun, 2010.

2009

• Changjoon Park, Heesong Seo and Bumman Kim, "A noise optimized FIR filter for digital RF receiver," in 9th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2009.
• Dongsu Kim, Jinsung Choi, Daehyun Kang and Bumman Kim, “A wideband CMOS hybrid switching supply modulator for polar transmitter,” best paper awards, in 9th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2009.
• Jungmin Park, Jinsung Choi and Bumman Kim, “A 2.6GHz CMOS up-conversion mixer with Gm linearization technique,” in 9th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2009.
• Bumman Kim, Jinsung Choi, Daehyun Kang and Dongsu Kim, "Multi-mode power amplifier based on the mode-dependent power supply modulator," invited talk, in 9^th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2009.
• 최인영, 윤제형, 박창준, 서희송, 김범만, "A 0.18-um CMOS switch with high isolation for 48 MHz ~ 860 MHz TV tuner application," 대한전자공학회 2009 하계종합학술대회, Jul. 8, 2009.
• 문정환, 김장헌, 김범만, "A Novel Digital Feedback Predistortion Technique with Memory" 2009 춘계 마이크로파 및 전파전파 학술대회 논문집, May 2009, vol. 32, no. 1, pp. 5
• 김일두, 지승훈, 문정환, 손정환, 김정준, 김범만, "Asymmetric Saturated 3-Stage Doherty Power Amplifier For Improved Efficiency" 2009 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2009..
• 김정준, 손정환, 문정환, 김일두, 지승훈, 김범만, "Highly efficient saturated power amplifier using GaN HEMT" 2009 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2009.
• 손정환, 김정준, 김장헌, 김일두, 문정환, 지승훈, 김범만, "Highly Efficient Doherty Power Amplifier Using Saturated PA Cells" 2009 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2009.
• 최진성, 김동수, 강대현, 전명수, 김박식, 박정민, 김범만, "0.13um CMOS 공정을 이용한 다표준 폴라 송신기를 위한 PA 레귤레이터," in 16th Korean Conference on Semiconductors, Daejun, Korea, Feb. 2009.
• Jinsung Choi, "A linear polar transmitter with CMOS programmable hysteretic-controlled supply modulator for multi-standard applications," Bronze Prize Winner, in 15^th Samsung Human-Tech Thesis Prize, Feb. 2009.

2008

• Hee-Ran Ahn, Jungjoon Kim, and Bumman Kim, "Impedance-transforming small impedance transformers," Winter KIEES Conference Digest, vol. 18, no. 1, pp. 49, 28th, Nov. 2008.
• Hee-Ran Ahn, Jungjoon Kim, and Bumman Kim, "Small impedance transforming baluns with perfect matching and perfect isolation," Fall KIEES Conference Digest, 25th, pp. 109, Sep. 2008.
• Heesong Seo, Changjoon Park, Jehyung Yoon, Inyoung Choi and Bumman Kim, "Distributed low noise amplifier using reactive termination," 8th RF Integrated Circuit Technology Wokrshop, Sep. 4, 2008.
• Hee-Ran Ahn, Jungjoon Kim, and Bumman Kim, "Branch-line hybirds with -15 dB coupling power," Summer KIEES Conference Digest, 27th, pp. 51-54, Jun. 2008.
• Boshi Jin, Jinsung Choi, Daehyun Kang, Dongsu Kim, Myoungsu Jun, Jungmin Park and Bumman Kim, "An dual band transformer for CMOS power amplifier application," 2008 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2008.
• Hee-Ran Ahn, Jungjoon Kim and Bumman Kim, "Compact and wideband ring hybrids with coupled transmission lines," invited paper, Spring IEEE MTT/AP/EMC Korea Chapter KIEES Conference Digest. vol. 31, no. 1, pp. 317-320.
• Ildu Kim, Junghwan Moon, Jangheon Kim, Jungjoon Kim and Bumman Kim, "Highly efficient high power hybrid EER transmitter for IEEE 802.16e mobile WiMAX application," 2008 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2008.
• Jungjoon Kim, Ildu Kim, Jangheon Kim, Junghwan Moon and Bumman Kim, "Optimum PA design for hybrid-EER transmitter using smart varactor control circuit," 2008 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2008.
• Junghwan Moon, Jangheon Kim, Ildu Kim, Jungjoon Kim and Bumman Kim, "Gate-bias control technique for envelope tracking Doherty amplifier," 2008 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2008.
• Jangheon Kim, Junghwan Moon, Ildu Kim, Jungjoon Kim, Junghwan Son and Bumman Kim, "On the accurate predistorted signal extraction capability of digital feedback predistortion technique," 2008 춘계 마이크로파 및 전파전파 학술대회 논문집, May. 2008.

 2007

• Changjoon Park, Jehyeong Yoon, Hyejeong Song, Sekyeong Lee, Heesong Seo, and Bumman Kim, "A charge-domain passive mixer in 0.13-um CMOS," 2007 추계 마이크로파 및 전파전파 학술대회 논문집, Sep. 2007, vol. 30, no. 2, pp. 475-478.
• Hyejeong Song, Huijung Kim, Changjoon Park, Jehyeong Yoon, Sekyeong Lee, Heesong Seo, and Bumman Kim, "A study on the 0.18-um CMOS dual-band low-noise amplifier for CDMA/WLAN," 2007 추계 마이크로파 및 전파전파 학술대회 논문집, Sep. 2007, vol. 30, no. 2, pp. 463-466.
• Jehyeong Yoon, Changjoon Park, Sekyeong Lee, Hyejeong Song, Heesong Seo, and Bumman Kim, "Noise improvement of active Gilert mixer with reduction current circuit," 7th RF Integrated Circuit Technology Workshop, Sep. 13, 2007.
• Bumman Kim, Jangheon Kim, Ildu Kim, and Jinsung Choi, "Recent works on power amplifiers and transmitters," invited talk, in 2007 RF Power Amplifier Workshop, Seoul, Korea, Aug. 2007, vol. 1, pp. 5-35.
• Bumman Kim and Jinsung Choi, "Delta-sigma based polar transmitter," invited talk, in 7^th RF Integrated Circuit Tech. Workshop, Jeju, Korea, Sep. 2007.
• Jangheon Kim, Changjoon Park, Junghwan Moon, Ildu Kim, Jungjoon Kim, Young Yun Woo, and Bumman Kim, "A study on adaptive digital feedback predistortion technique combined with digital feedback technique," 2007 추계 마이크로파 및 전파전파 학술대회 논문집, Sep. 2007, vol. 30, no. 2, pp. 445-448.
• Hee-Ran Ahn, Junghwan Moon, and Bumman Kim, "Realization of high impedance transmission lines using a pair of coupled-transmission lines with two shorts," 2007 추계 마이크로파 및 전파전파 학술대회 논문집, Sep. 2007, vol. 30, no. 2, pp. 523-526.
• Jangheon Kim, Ildu Kim, Junghwan Moon, Jungjoon Kim, Myoungsu Jun, Young Yun Woo, Sungchul Hong, and Bumman Kim, "A study on digital feedback predistortion technique for highly efficient power amplifier," 2007 춘계 마이크로파 및 전파전파 학술대회 논문집, May 2007, vol. 30, no. 1, pp. 23-26.
• Junghwan Moon, Jangheon Kim, Ildu Kim, Jungjoon Kim, Myoungsu Jun, and Bumman Kim, "A study on high performance Dohertyy power amplifier for WiMAX system using GaN HEMT," 2007 춘계 마이크로파 및 전파전파 학술대회 논문집, May 2007, vol. 30, no. 1, pp. 317-320.
• Jungjoon Kim, Junghwan Moon, Jangheon Kim, Ildu Kim, Myoungsu Jun, and Bumman Kim, "Developement of a 2.14-GHz high efficiency class-F power amplifier," 2007 춘계 마이크로파 및 전파전파 학술대회 논문집, May 2007, vol. 30, no. 1, pp. 321-324.
• Ildu Kim, Young Yun Woo, Sungchul Hong, Jangheon Kim, Junghwan Moon, Myoungsu Jun, Jungjoon Kim, and Bumman Kim, "Advanced Hybrid EER transmitter for WCDMA application using efficiency optimized power amplifier and modified bias modulator," 2007 춘계 마이크로파 및 전파전파 학술대회 논문집, May 2007, vol. 30, no. 1, pp. 333-336.
• Hee-Ran Ahn, and Bumman Kim, "Coupling-compensated DC blocks terminated in arbitrary," 2007 춘계 마이크로파 및 전파전파 학술대회 논문집, May 2007, vol. 30, no. 1, pp. 381-384.

 2006

• Hee-Ran Ahn and Bumman Kim, "Ring filter switch," in IEEE MTT/AP/EMC Korea Chapter KEES. Digest (종합 학술 발표회), Nov. 3 2006, vol. 16, no. 1, pp. 131-134.
• Bumman Kim, " CMOS Linear Power Amplifier," invited paper,  6th RF Integrated Circuit Technology Workshop, Sep., 22, 2006.
• Hee-Ran Ahn, Joongjin Nam, and Bumman Kim, "Coupling compensated 180° phase shift coupled line filters terminated in arbitrary impedances," 2006 추계 마이크로파 및 전파 학술대회 논문집, Sep. 15 2006, vol. 29, no. 2, pp 263-266.
• Junghwan Moon, Sungchul Hong, Jangheon Kim, Jeonghyeon Cha, YoungYun Woo, Ildu Kim, and Bumman Kim, "Base Station Power Amplifier with Minimized Memory Effect," 2006 추계 마이크로파 및 전파 학술대회 논문집, Vol. 29, No. 2, pp 237-240, Sep., 2006.
• Jinho Yang, Huijung Kim, Changjoon Park, Jinsung Choi, Jehyung Yoon, and Bumman Kim, "Improving the Linearity of CMOS Low Noise Amplifier Using Multiple Gated Transistors," 2006년도 대한전자공학회 하계종합학술대회, Vol. 29, No. 1, pp. 505-506, June. 21~23, 2006.
• Sungchul Hong, Ildu Kim, Jangheon Kim, Jeonghyeon Cha, YoungYun Woo, Junghwan Moon, and Bumman Kim, "Linearity improvement of uneven 3-way Doherty amplifier using unequal biases of peaking amplifiers," 2006 춘계 마이크로파 및 전파전파 학술대회 논문집, Vol. 29, No. 1, pp 205-208, May, 2006.

2005

• Jehyung Yoon, Kyungho Lee, Yi-Sun Chung, and Bumman Kim ,  "Bias Dependent Channel Thermal Noise Modeling for RF MOSFET," 2005 춘계 마이크로파 및 전파 학회 논문집, 2005년 5월, pp. 278-281, 2005.
• 유대규, 이경호, 최광식 ,  "초고속 회로 응용을 위한 687 GHz fmax를 가지는 0.25-μm 에미터 InP-InGaAs SHBTs," 제 11 회 휴먼테크논문대상-장려상, 2005년 2월.
• Kyungho Lee, Jounghyun Yim, Jehyung Yoon, Donghyun Baek, Soonhag Lee, Ilhun Shon,  and Bumman Kim, "An Improved Behavioral Large-Signal Modeling of RF LDMOS with an Accurate Nonlinear Drift Resistance," 12th Korea conference on Semiconductor, 2005.
• Kwangsik Choi, Daekyu Yu, Kyungho Lee, and Bumman Kim, "Development of High Speed InP/InGaAs/InP DHBT with High Breakdown Voltage," 12th Korea conference on Semiconductor, 2005.
• Seungwoo Kim, Jongwoo Lee, and Bumman Kim, "Linear Power Amplifier with Second-Harmonic Short at Load Termination,"  accepted for presentation in the 12th Korea conference on Semiconductor, pp. 183 - 184, 2005.

2004

• Jongwoo Lee, Jeonghyeon Cha, Jangheon Kim and Bumman Kim, "Development of a 1GHz High Efficiency Class F Power Amplifier," 2004년도 전파 및 광파기술 학술대회, 2004년 10월.
• Kwangsik Choi, Daekyu Yu, Kyungho Lee, Jehyung Yoon, and Bumman Kim, “Fabrication of InP/InGaAs/InP DHBT with 321 GHz f_T and 190 GHz f_max for Millimeter-wave applications,” 2004 추계 마이크로파 및 전파 학회 논문집, Vol. 27, No. 2, pp 456-459, September, 2004.
• 김장헌, 차정현, 우영윤, 이재혁, 김범만,  "고출력 전력증폭기의 메모리 효과를 최소화하기 위한 바이어스 회로 최적화," 2004 춘계 마이크로파 및 전파 학회 논문집, 2004년 5월, pp. 253-256.

2003

• 이승현, 진상수, 김희중, 김범만,  "Noise and Linearity Analysis and Minimizing Strategy of Elliptic Filter," 2003 SOC Design Conference, Nov., 2003.
• 최상혁, 박창준, 김범만,  "바이어스 회로를 이용한 높은 선형성을 갖는 PCS용 저잡음 증폭기 설계" 2003 SOC Design Conference, Nov., 2003
• Byounggi Choi, Sanghoon Kang, Sanghyeok Choi, and Bumman Kim, "Comparison of Gilbert Mixers’ second-order nonlinearity characteristics", 10th Korea conference on Semiconductor, pp. 437-438, 2003.
• Daekyu Yu, Kyungho Lee, and Bumman Kim, "Ultra High Speed Submicron InP/InGaAs SHBTs with 478 GHz fmax,", 10th Korea conference on Semiconductor, pp. 337-338,  2003.
• Kyungho Lee, Byounguk In, Daekyu Yu, Bumman Kim, Sangjung Jeon, and Youngkwang Kim, "Extraction of VBIC Model Parameters for Large-Signal Model of SiGe HBTs,"  10th Korea conference on Semiconductor, pp. 39-40, 2003.

   2002

• 권우성, 임준열, 임정현, 김범만, “SERIES-SHUNT 다이오드를 이용한 8GHz  SPST SWITCH,” 전자파 종합학술발표회, 2002 11월, pp.352-355.
• Bumman Kim, et.al., "77 GHz RFIC of Car Radar for Intelligent Traffic System," 마이크로파 및 밀리미터파 workshop, Nov. 8, 2002, 교육문화센터, 서울
• Bumman Kim, "Current Status of Power Amplifier Technology for Mobile Communication," (초청강연) IT Expo. Korea, 2002 Seminar, Oct., 2002, Pusan.
• Bumman Kim, Youngoo Yang, Jeonghyeon Cha, and Bumjae Shin, "Microwave Doherty Amplifier Operation for High Linearity and Efficiency," 1st Caltech Postech Mini-Symp., Pohang, Korea, Sep., 2002.
• 신범재, 차정현, 양영구, 김범만, "Predistorter를 이용한 3-way 도허티 증폭기의 선형성 개선," 2002 추계 전파전파학술대회, 2002년 9월, pp. 97-100.
• Bumman Kim, Youngoo Yang, and Sanghoon Kang, "Behavioral Large Signal Model of Si LDMOSFET's for High Power Class AB Amplifier Design," 제 3회 실리콘 RF 집적회로 기술 워크샵, 2002년 8월.
• 차정현, 양영구, 신범재, 김범만, "N-way 도허티 증폭기의 선형성 최적화 설계 및 성능 비교,"2002 춘계 전파전파학술대회, 2002년 5월, pp. 291-294.
• 양영구, 우영윤, 차정현, 이재혁, 남중진, 김범만, "WCDMA 기지국용 50 Watt급 적응 제어 형 피드 포워드 증폭기," 2002춘계 전파전파학술대회, 2002년 5월, pp. 287-290.
• Jongchan Kang, Kyungho Lee, Daegyu Yu and Bumman Kim "Fabrication of High-Speed InGaP/GaAs HBT’s Using a Wet-etched SABM Technique" 9th Korea conference on Semiconductor, 2002, pp. 277-278.
• Kyungho Lee, Daekyu Yu, Minchul Chung, JongChan Kang, Jeonghyeon Cha and Bumman Kim "New Collector Undercut Technique Using a SiN Sidewall for Reduced Cbc of InP/InGaAs SHBTs," 9th Korea conference on Semiconductor, 2002, pp. 263-264.
• Kyoung On Yang, Sunghan Ryu, Seogtae Han, Youngwoong Kim, and Bumman Kim, "Single Balanced Diode Mixer for ITS", 3rd MINT Millimeter-wave International Symposium, Seoul, Korea, Feb., 2002.

2001

• Woonyun Kim, Sanghoon Kang, Kyungho Lee, Minchul Chung, Youngoo Yang and Bumman Kim "Physical Model of the Cbc for the Linearity Characteristics of AlGaAs HBTs " Journal of Korean Physics Society, Vol. 39, No.3 September 2001, pp. 576-580
• Jounghyun Yim, Junyoul Lim, Seonghan Ryu, Woosung Kwon, Bumman Kim "Fabrication of X-band LNA using BCB multi-layer process." 2001년도 추계 마이크로파 및 전파 학술대회 논문집. Vol. 24, No 2, pp122-125, 2001. 9.22.
• 김희중, 강상훈, 김범만, 권오범, 이종열  "2.4GHz ISM Band 스위치 설계 및 제작." 2001년도 추계 마이크로파 및 전파 학술대회 논문집. Vol. 24, No 2, pp57-60, 2001. 9.22.
• 우영윤, 양영구, 김범만, “고효율 Class F와 Inverse Class F 전력 증폭기의 파형 분석과 실험을 통한 효율 비교,” 2001년도 춘계 마이크로파 및 전파 학회 논문집, pp. 113-116, 2001.5
• 김성우, 오태경, 김범만 "Table 방식을 이용한 Large signal HBT model." 2001년도 춘계 마이크로파 및 전파 학술대회 논문집. Vol. 24, No 1, pp23-26, 2001. 5.
• Kyungho Lee, Woonyun Kim, Minchul Chung, Jongchan Kang, Sungwoo Kim, and Bumman Kim, "Improvement of RF Performance of Carbon-doped Base InP/InGaAs HBTs by Carbon-dehydrogenation through Thermal Annealing," 8th Korea conference on Semiconductor, 2001, pp. 515-516
• Woonyun Kim, Kyungho Lee, Minchul Chung, Jongchan Kang, and Bumman Kim, "High-speed AlGaAs/GaAs HBTs with a Reduced Base-Collector Capacitance," 8th Korea Conference on Semiconductor, 2001, pp. 221-222

2000

• 옥성민, 양영구, 김범만, "New Linearization Method of Mixer." 제7회 한국반도체 학술대회 논문집. 2000.1, pp.429-430
• Senghan Ryu, Junyeul Im, Sanghoon Kang, and Bumman Kim, "Fabrication of X-band multilayer amplifier." 제7회 한국반도체 학술대회 논문집. 2000.1, pp.427-428
• 김범만, "New Era of RF World", 초청강연, 서울대 4과 세미나. 2000.4.6
• 양영구, 우영윤, 김범만, "실리콘 LDMOSFET의 실험적 온도 효과 모델링," 마이크로파 및 전파 학회 논문집, 홍익 대학교, pp. 89-92, 2000.5
• 남중진, 양영구, 이재혁, 김성우, 우영윤, 김범만, "대용량 LDMOS의 대신호 Modeling에 관한 연구,"  2000년도 춘계 마이크로파 및 전파 학술대회 논문집 Vol.23 N0.1, 2000.5.20, pp.30-34
• 이재혁, 양영구, 김범만, "벡터 변조기와 feedforward 선형 전력 증폭기의 적응 제어에 관한 simulation,"  2000년도 춘계 마이크로파 및 전파 학술대회 논문집 Vol.23 N0.1, 2000.5.20, pp.85-88
• 류성한, 임준열, 한기천, 임정현, 김희중, 우영윤, 김범만, 전병태, 정명득, 정해원, 김종명, 윤태환, "5-bit 다층구조 디지털 위상 변위기," 제 3회 국방소재 학술대회. 2000년 9월
• 김범만, " RF Characteristics of HBT and its Application to Mobile Communication," 초청강연, workshop 2000 on MMIC and modules for wireless communications, 2000.11, pp.17-18, 수안보 파크 호텔
• Youngsik Kim, Jiyoun Kim, and Bumman Kim "An Investigation of the Multi-harmonic Termination Effects on the IM3 Distortion of GaAs MESFET Power Amplifier," 추계 마이크로파 및 전파 학술대회 논문집, 2000. 9

1999

• 정민철, 김민석, 김범만, "1/f noise in Heavily Doped p-type GaAs Resistors," 제6회 반도체 학술대회, 연세대학교, 1999.2.11, 논문집, pp.91-92
• 김민석, 김범만, "High Frequency Noise Model for AlGaAs/GaAs HBT," 제6회 반도체 학술대회, 연세대학교, 1999.2.10, 논문집, pp.687-688
• Y. Yang, Y. Kim, J. Yi, J. Nam, B. Kim, W. Kang and S. Kim, "Broadband Adaptive Feedforward system," '99 춘계 마이크로파 및 전파학술대회, Vol.22, No.1, 1999.5.29, pp.357-359
• 정유진, 김병수, 김범만, 임광현, 박성호, 이용희, "Si MOSFET을 이용한 MMIC Oscillator," '99 춘계 마이크로파 및 전파학술대회, Vol.22, No.1, 1999.5.29, pp.15-17
• W. Kim, M. Chang and B. Kim, "The Linea Characteristics of AlGaAs/GaAs HBT," '99 한국전자파학회 영남지부 학술발표회, 경상대학교, 1999.7.2, 논문집 pp.81-84
• 김범만, 양영구, 김영식, 이재혁, 남중진, 김신욱, 강원우, "Digital Controlled Feed-forward Amplifier," 초청강연 '99 한국전자파학회 영남지부 학술발표회, 경상대학교, 1999.7.2, 논문집 pp.5-27
• Woonyun Kim, Minchul Chung, and Bumman Kim, “The Linear Characteristics of AlGaAs/GaAs HBT,” '99 한국전자파학회 영남지부 학술발표회, 경상대학교, 1999.7.2, 논문집 pp.81-84
• Y. Yang and B. Kim, "A New Linear Amplifier using Low Frequency 2nd order Intermodulation Component Feedforwarding," '99 한국전자파학회 영남지부 학술발표회, 경상대학교, 1999.7.2, 논문집 pp.77-79
• 김범만, "마이크로파 및 밀리미터파 소자 모델링," 초청강연 '99 마이크로파 및 밀리미터파 워크샵, 서울교육문화회관, 1999.10.20
• 이재혁, 박명규, 양영구, 남중진, 김범만, "WLL 기지국용 고출력 전력증폭기를 위한 predistortion 선형화기," '99 한국전자파학회 종합학술발표회, 금오공과대학교, Vol.9, No.1, 1999.11.6, pp.332-335
• 정유진, 류성한, 한기천, 김범만, "마이크로스트립 라인형 전압제어 발진기," '99한국전자파학회 종합학술발표회, 금오공과대학교, Vol.9, No.1, 1999.11.6, pp.300-303
• Y.Yang, J. Yi, B. Kim and M. Park, "An Accurate Large Signal Model of Silicon RF LDMOSFET's," '99 한국전자파학회 종합학술발표회, 금오공과대학교, Vol.9, No.1, 1999.11.6, pp.389-394
• 김범만, "Predistortion Power Amplifier for WLL Base station," 초청강연, 무선통신용 MMIC 및 Module Workshop, 수안보파크호텔, 1999.11.19-11.20

1998

• 한기천, 임준열, 김상희, 김범만, "MCM 공정을 이용한 5bit 디지털 변위기 설계," 제2회 통신/전자 학술대회 논문집(ADD) pp.549-552, 1998년 9월
• 김병수, 강상훈, 김범만, 박성호, 임광현, 이용희, "MOSFET의 RF 소신호 모델링," 추계 마이크로파 및 전파학술대회, pp.7-10, 1998년 9월
• 김병수, 강상훈, 김범만, 박성호, 임광현, 이용희, "RF Freqeuncy에서의 MOSFET Modeling," 춘계 마이크로파 및 전파학술대회, 1998년 5월
• 양영구, 김영식, 김범만, "Harmonic Matching을 이용한 Class AB 동작 2차 Harmonic Feedback 증폭기," 춘계 마이크로파 및 전파학술대회, 1998년 5월
• 이재혁, 김영식, 양영구, 남중진, 김범만, "MESFET 채널 전류의 비선형 성분 모델링," 한국 전자파 종합학술발표회, 1998.11, pp.354-358

1997

• 인병욱, 박경석, 노태문, 김우년, 이재길, 김범만, "Design and Fabrication of X band AlGaAs/GaAs Power HBTs," 제 4차 한국 반도체 학술대회, pp.121-122, 1997.2
• 김민석, 김범만, "High Frequency Noise Characteristics of AlGaAs/GaAs HBT," 한국반도체학술대회, 99-100, 1997.2
• 김우년, 김영식, 이준우, 노태문, 김범만, "Design Study of Linearized AlGaAs/GaAs HBTs Using Volterra Series," 제 4차 한국 반도체 학술대회, pp.121-122, 1997.2
• 김지영, 신진호, 김범만, "Process Development of Heterojunction Bipolar Transistors," 제 4차 한국반도체 학술대회, pp.127-128, 1997.2
• 김범만, 신진호, "Optimum AlGaAs/GaAs HBT structure for Reduced 1/f Noise," 한국반도체학술대회, pp.113-119, 1997.2(초청강연)
• 서영석, 김영식, 노태문, 김범만, "접합부 온도효과를 고려한 AlGaAs/GaAs HBT의 대신호 전류원 모델링," 춘계 마이크로파 및 전파전파 학술발표회 논문집, pp.50-53, 1997년 5월
• 한기천, 허원혁, 정유진, 김범만, "X-밴드 5-bit 디지털 변위기의 구현," 춘계 마이크로파 및 전파전파 학술발표회 논문집, pp.54-57, 1997년 5월
• 김영식, 서영석, 김범만, "HBT 대신호 모델링," 마이크로파 전파전파학회, pp.43-46, 1997.9
• 강상훈, 김범만, "선형성이 우수한 PSC용의 저항성주파수 혼합기," 추계 마이크로파 및 전파전파 학술발표회 논문집, pp.28-31, 1997년 9월
• 정유진, 신진호, 서영석, 강상훈, 정민철, 김범만, "저잡음 AlGaAs/GaAs 이종접합 바이폴라 트랜지스터를 이용한 2GHz VCO," 추계 마이크로파 및 전파전파 학술발표회 논문집, pp.32-35, 1997년 9월
• 김민석, 김범만, "AlGaAs/GaAs HBT의 High Frequency Noise Sources 분석," 추계 마이크로파 및 전파전파 학술발표회 논문집, pp.25-27, 1997년 9월
• 김범만, 김영식, 임준열, "GaAs MESFET 대신호 등가모형, " 통신학회 이동통신 부품 workshop 초청강연, 1997.11
• 김범만, "이동통신용 RF 부품 설계 기술," LG Analog Forum 초청강연
• '97 국제 전파 통신기술 세미나 초청강연, "CDMA 시스템 및 단말기 부품개발 : Power Amplifier"
• 임준열, 김범만, "레이다 송수신 모듈용 10W 전력 증폭기 제작," 제1회 통신/전자 학술대회 논문집, 1997.10, pp.393-402
• 한기천, 김범만, "X-band 5 bit 디지탈 변위기의 구현," 제1회 통신/전자 학술대회 논문집, 1997.10, pp.447-451
• 강상훈, 김영웅, 김범만, 곽명현, 마동성, "DBS Tuner용 Down Converter," 한국 전자파 종합학술발표회, 1997.11, pp.36-40
• 김병수, 김범만, 박성호, 이용희, "RF Frequency에서의 MOSFET Modeling," 한국 전자파 종합학술발표회, 1997.11, pp.60-64

1996

• 노태문, 김영식, 서영석, 박위상, 김범만, "MESFET 채널전류 측정용 펄스 I-V 시스템," 마이크로파 및 전파전파 학술발표회 논문집, Vol. 19, No. 1, pp. 32-34, 1996년 5월
• 허득현, 이준우, 신진호, 김민석, 김영식, 김범만, "AlGaAs/GaAs SABM 이종 접합 바이폴라 트랜지스터의 고주파 잡음 특성," 마이크로파 및 전파전파 학술발표회 논문집 , Vol.19, No. 1, pp. 35-38, 1996년 5월
• 김영웅, 조웅식, 정기웅, 김범만, "900MHz대 휴대폰용 MMIC 혼합기의 설계 및 제작," 마이크로파 및 전파전파 학술발표회 논문집, Vol.19, No. 1, pp. 59-63, 1996년 5월
• 허원혁, 임준열, 노태문, 김범만, "6-18 GHz대역 MMIC 1W 전력증폭기 설계," 1996년 춘계 마이크로파 및 전파전파 학술발표회 논문집, Vol.19, No. 1, pp. 27-31, 1996년 5월
• 허원혁, 노태문, 이재혁, 김범만, 조현룡, "광대역 MMIC RF 제어소자에 관한 연구," 1996년 대한전자공학회 하계 종합학술대회 논문집 제 19권 제 1호 pp.127-130, 1996년 6월
• 김범만, "PCS용 전력소자 및 Modeling(초청연사)," 통신학회 Workshop, 1996. 9. 12-13, Grand Hotel.
• 김지영, 신진호, 이준우, 인병욱, 김민석, 김우년, 박경석, 김범만, "AlGaAs Emitter Depletion Ledge를 이용한 HBT의 Base 표면전류 감소," 1996년 대한전자공학회 하계 종합학술대회 논문집 1996
• 노태문, 박상욱, 김상희, 박위상, 김범만, "고효율 3W급 TRS 단말기용 전력증폭기 모듈의 구현," 마이크로파 및 전파전파 학술발표회 논문집, pp.23-26, 1996년 9월
• 노태문, 박상욱, 이승학, 박위상, 김범만, "PCS 휴대단말기용 전력증폭기의 구현," 전자파학술발표회 논문집, pp.149-153, 1996년 9월
• 김영웅, 오승건, 곽명현, 김범만, "위성 수신 튜너용 MMIC 혼합기의 설계 및 제작," 한국전자파학회, pp. 158-161, 1996
• 신진호, 정유진, 김지영, 김민석, 이준우, 김범만, "AlGaAs/GaAs 이종접합 트랜지스터의 저주파 잡음의 감축," 1996년 추계 마이크로파 및 전파 학술발표회 논문집, 1996, pp. 19-22
• 인병욱, 이준우, 노태문, 김영식, 김범만, "AlGaAs/GaAs HBT에서 Surface Recombination에 의한 전류이득의 Frequency Dispersion," 1996년 추계마이크로파 및 전파 학술 발표회 논문집, 1996, pp. 27-30

1995

• 이준우, 김영식, 서영석, 김범만, 정영래, 서화창, 정웅, 마동성, "SABM공정으로 개발된 X band AlGaAs/GaAs HBTs," 1995년 대한전자공학회 하계 종합학술대회 논문집, Vol. 18, No. 1, 1995, pp. 759-762
• 김영웅, 박인우, 곽명현, 이영재, 배종대, 정웅, 마동성 및 김범만, "GaAs MMIC Foundry를 이용한 BS Tuner 설계 ," 춘계 마이크로파 및 전파전파 연구회 학술발표회 논문집, Vol. 18, No.1, 1995. 5
• 김우년, 이준우, 김영식, 김범만, "HBT의 비선형 성분의 Intermodulation 상쇄 효과," 1995년 대한전자공학회 추계 종합학술대회 논문집, Vo1. 18, No. 2, 1995, pp. 270-273
• 임준열, 노태문, 김범만, "레이다 송수신 모듈용 X-band 14W 전력증폭기 연구," 전자공학회 1995 추계 학술대회

1994

• 이준우, 김영식, 서아람, 서영석, 신진호, 김범만, "AlGaAs/GaAs SABM HBT의 제작 및 특성" 마이크로파 및 전파전파 학술발표회 논문집, 1994, Vol. 17, No. 1, pp. 121-124
• Y. S. Kim 등, "Design of the Linearized Heterojunction Bipolar Transistor Using Volterra Series Analysis," 1994 전자공학회 하계학술대회
• 김민석 등, "RESURF 수편형 IGBT의 항복전압," 대한전자공학회 하계학술대회, 1994
• 김재홍등, "MMIC Distributed Active Balun 의 설계" 1994 전자공학회 하계학술대회 논문집 제 17권 제 1호, 1994년 7월, pp. 214-217
• 서아람 등, "고출력 이종접합 트랜지스터의 대신호 등가모델," 1994 전자공학회 추계학술대회 논문집 제 17권 제 2 호, 1994년 11월, pp. 1003-1006
• 윤광준등, "광대역 MMIC 가변이득 증폭기의 설계," 1994 전자공학회 추계학술대회 논문집 제 17권 제 2호 , 1994년 11월, pp. 566-569
• 인병욱, 김범만, 염병렬, 이수민, "Si/SiGe HBT 최대 전류이득의 온도 의존성," 1994 대한전자공학회 추계 종합학술대회 논문집, Vol. 18, No. 1, 1994, pp. 759-762
• 김재홍 등, "Low Current GaAs MMIC Down Conversion Mixer for Cellular Telephone Receivers," 1994 전파전파 추계학술대회
• 노태문 등, "GaAs FET의 비선형 채널 전류 모형에 관한 연구," 1994 전파전파 추계학술대회
• 김종오, 인병욱, 김범만, 이광일, 이원오, 이승환, "VDMOST의 소자 구조와 수평 방향 농도 분포의 추출," 제 2회 한국반도체학술대회 논문집, pp. 169-171
• 김종오, 김민석, 김범만, "DMOST 채널에서의 이상적인 전류 전압 관계에 관한 해석적 모델," 제 2회 한국 반도체학술대회 논문집, pp. 165-167

1993

• 하정석, 동관수, 김범만, "GaAs MESFET의 정확한 비선형 모형 추출에 관한 연구," 1993 춘계 전파전파 학술회의 논문집, Vol. 16, No. 1, pp. 83-87.
• B.Kim, "Low Noise Microwave and Millimeter Wave FETs and MMIC," 초청강연, 제 2회 마이크로파 및 밀리미터파 Workshop 논문집, pp.85-105, 1993년 7월
• 김범만, "포항제철의 산.학.연 협동체계," 초청강연, 2000년대를 대비한 전자공학 교육 연구 세미나 pp.155-170, Aug. 1993
• 박인우 등, "X-band 3단 저잡음 증폭기 설계 및 제작," 1993 추계 전파전파 학술회의 논문집, Vol. 16, No. 2, pp.21-23
• 노태문 등, "X-band용 송수신 모듈의 구현," 1993년 추계 전파전파 학술회의 논문집, Vol. 16, No. 2, pp.94-98
• 배영호 등, "SIMOX SOI제조시 산소이온 주입량의 감소 가능성," 반도체 부품 함동학술발표회 논문집 제 11권 제 1호, l993, pp. 165-168
• 임태윤, 박성수, 서영석, 주영도, 김범만, "일차원 시뮬레이션에 의한 여러가지 델타도핑 P-HEMT 구조의 선형특성 비교," 반도체 재료 및 부품연구회 합동 학술발표회 논문집, 제 11권 제 1호, 1993, pp. 191-195
• 김민석 등,"RESURF 수평형 DMOST의 최적화를 위한 새로운 모형:항복전압," 대한전자공학회 추계학술대회 , p.499, 1993년
• 김종오 등,"RESURF 수평형 DMOST의 최적화를 위한 새로운 모형:on-저항과 최적화," 대한전자공학회 추계학술대회, p.503, 1993년
• 김광일 등,"Si 이온주입 결함이 B의 channeling 및 확산에 미치는 영향," 대한전자공학회 추계학술대회 논문집, p. 551-554, 1993년

1992

• 김범만, "고효율 Power Module 설계," 초청강연, 젊은 반도체 공학도를 위한 반도체 workshop, 1992.2
• 김범만, "High Efficiency Q.W.FET," 초청강연, 삼미기술산업, 1992.8
• 이지은, "두개의 마스크를 이용한 에어브리지 공정," 대한전자공학회 추계학술대회 논문집, 1992
• 동관수등, "휴대전화기에 사용되는 전력증폭기의 설계," 1992 대한전자공학회 추계학술대회 논문집

1991

• 이준우, 김범만, "AlGaAs/GaAs 전력용 HBT의 최적화 설계," 마이크로파 및 전파전파 학술발표회 논문집, Vol. 14, No. 1, 1991, pp. 72-77
• 양승주, 동관수, 박인우, 김범만, "입력 전환 저잡음 증폭기," 대한전자공학회 추계학술대회 논문집, 1991
• 이준우, 김범만, "HBT 제조 공정 및 특성" 젊은 반도체 공학도를 위한 Workshop, Feb 1991

1990

• 김범만, "초고주파용 화합물 반도체소자의 현황 분석," ETRI 초청 세미나, 1990.1
• 김범만, "화합물 반도체 고속소자," Workshop on Semiconductor Devices and systems, 1990.3
• 김범만, "초고주파 소자의 현황," KIST 초청 세미나, 1990.4
• 김범만, "MMIC 소자 및 회로," ADD 초청 세미나, 1990.5
• 김범만, "초고주파용 화합물 반도체 Transistor 현황," 초청강연, 대한전자공학회 경북지부 초청학술발표회, 1990.6
• 김범만, "화합물 반도체 박막의 응용," KIST 초청세미나, 1990.10
• 서영석, 김범만, "GaAs FET의 parasitic components가 초고주파 이득에 미치는 영향", 1990 대한전자공학회 추계 학술대회

1985

• B. Kim, "GaAs FETs and Heterojunction Transistors," Semiconductor Workshop, Seoul Korea, Oct. 14-18, 1985