An adaptive bias controlled power amplifier with a load-modulated combining scheme for high efficiency and linearity

IEEE MTT-S International Microwave Symposium Digest

Volumn 1, Issue , 2003, Pages 81-84

  Cha, Jeonghyeon ^a   Yang, Youngoo ^b   Shin, Bumjae ^a   Kim, Bumman ^a  

^a Pohang University of Science and Technology (POSTECH)   (South Korea)

^b SKYWORKS SOLUTIONS INC   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CODE DIVISION MULTIPLE ACCESS; COMPUTER SIMULATION; ELECTRIC POTENTIAL; MOSFET DEVICES;

FEED-FORWARD AMPLIFIERS;

POWER AMPLIFIERS;

EID: 0043166653     PISSN: 0149645X     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (6)

1. F.H. Raab, "Efficiency of Doherty RF Power Amplifier System," IEEE Transactions of Broadcasting, vol. BC-33, No. 3, pp. 77-83, Sep. 1987.
2. D.M. Upton, "A New Circuit Topology to Realize High Efficiency, High Linearity and High Power Microwave Amplifiers," RAWCON'98 proceedings, pp. 317-320, Aug. 1998.
3. P.B. Kenington, "High-Linearity RF Amplifier Design," Artech House Inc., 2000.
4. Y. Yang, J. Yi, Y.Y. Woo, and B. Kim, "Optimum Design for Linearity and Efficiency of Microwave Doherty Amplifier Using a New Load Matching Technique," Microwave Journal, vol. 44, No. 12, pp. 20-36, Dec. 2001.
5. B. Kim, Y. Yang, J. Yi, J. Nam, Y.Y. Woo, and J. Cha, "Efficiency Enhancement of Linear Power Amplifier Using Load Modulation Technique," Int. Symp. on Microwave and Optical Technology Dig., pp. 505-508, June 2001.
6. 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 Symp. Dig., vol. 2, pp. 769-772, June 2002.