IEEE Topical Workshop on Power Amplifiers for Wireless Communications 2003

Papers and Presentations

Plenary & Session 1:  Architectures, Systems and Devices

• Plenary – Evolution of Power Amplifiers for Base station Application, (William Vasillakis, PowerWave)

• Invited – Impedance Matching and Power Combining for Integrated CMOS PAs (A. Hajimiri, I. Aoki, and S. Kee, CalTech)

• Evolution of CDMA RFIC Transmitter Integration (Kevin Gard, Qualcomm)

Session 2:  Technologies for Power Amplifiers

• Invited – Commercial RF-MEMS:  Product Opportunities and Challenges(Arthur S. Morris, III, wiSpry Inc.)

• Modeling of LEC Si/SiGe power transistors with HICUM (M. Schroter, P. Sakalas, W. Kraus, L. Kornau, J. Herricht, Technical University of Dresden)

• PA Load Pull Error Limits using Delta Gt Contours (J. Paviol, E. Kueckels, R. Varanasi a nd L. Dunleavy)

Session 3 : Linearity Modeling and Linearization Techniques

• Analysis of Performance for Memoryless Predistortion Linearizers Considering Power Amplifier Memory Effects (Hyunchul Ku and J. Stevenson Kenney, Georgia Tech)

Session 4 :  Multi-band and Doherty Amplifiers

•  Invited Applications of E-pHEMT Technology for Cellular Handset Power Amplifiers (S. Fu, P. Chen, H. Yu and D. Wu, Agilent)

• A High Power, High Efficiency UMTS Amplifier using a Novel Doherty Configuration (Simon M. Wood, Raymond S. Pengelly, Masaki Suto, Cree Microwave)

• A 900MHz Doherty Amplifier Implemented with Lumped Elements (Y. Zhao, M. Iwamoto, D. Kimball, L. E. Larson, and P. M. Asbeck, UCSD)

• Development of the Multistage Doherty Power Amplifier for Wireless Communications (N. Srirattana, D. Heo, A. Raghavan, P. E. Allen, and J. Laskar, Georgia Tech)

• A New Input Power Divider Scheme for Dual-State Amplifiers (Younkyu Chung, Dal Ahn, Ethan Y. Wang, and Tatsuo Ito h, UCLA)

• A Quad-band InGaP HBT Power Amplifier Module with 60% EGSM Power Added Efficiency and 35:1 Open Loop Ruggedness (J. Gering, S. Boerman, R. Burton, P. DiCarlo, M. Gerard, J. Hu, P. Reginella, S. Sprinkle, Y. Tkachenko, C. Wei, and P. Zampardi, Skyworks)

Session 5: Power Amplifier Bias Control

• Efficiency improvement technique for W-CDMA mobile station power amplifier (Philippe Gouessant, ST Microelectronics)

• A High-Efficiency Class-E Amplifier for Digital Pulse Width Modulated (PWM) Microwave Signal (Alexandre Dupuy, Younkyu Chung, Tatsuo Itoh, and Ethan Y. Wang, UCLA)

• A 5.2GHz SiGe Power Amplifier for Wireless Data and Media Applications (Mahim Ranjan, Steve Rosenbaum, Joe Pusl, Bruce Coy, Larry Larson)

• High-Efficiency SiGe BiCMOS WCDMA Power Amplifiers with Dynamic Biasing Techniques (Junxiong Deng, Prasad Gudem, Lawrence E. Larson, and Peter Asbeck, UCSD)

Session 6:  Transmitter Architectures and HBT Power Amplifiers

• Invited - SiGe HBTs for Power Amplifier Applications, J. Costa, RFMD

• 28V High Efficiency High Linearity InGaP/GaAs Power HBT (N. L. Wang, W. Ma, C. Dunnrowicz, X. Chen, H. F. Chau, X. Sun, Y. Chen, B. Lin, EiC Corporation)

• Dynamically-Biased Driver Amplifier for W-CDMA Mobile Phone Transmitter Applications (Vincent Leung, Prasad Gudem, Lawrence Larson, UCSD)

• Optimal PSK Modulation Alphabet Size and Source Code Rate for a Wireless Communication System with Bandwidth and Battery Constraints (Qinghua Zhao, Pamela Cosman, and Laurence B.Milstein, UCSD)

• Adaptive Noise Cancellation for IS95 CDMA Transmitters (Tomás O’Sullivan and Peter Asbeck, UCSD)