A high power asymmetric Doherty amplifier with improved linear dynamic range

IEEE MTT-S International Microwave Symposium Digest

Volumn , Issue , 2006, Pages 1348-1351

  Lee, Ju Young ^a   Kim, Ji Yeon ^a   Kim, Jong Heon ^a   Cho, Kyoung Joon ^b   Stapleton, Shawn P ^b  

^a Kwangwoon University   (South Korea)

^b SIMON FRASER UNIVERSITY   (Canada)

Author keywords

Asymmetric Doherty; Efficiency extension; Linear dynamic range; Power amplifier

Indexed keywords

BASE STATIONS; CODE DIVISION MULTIPLE ACCESS; MICROWAVE MEASUREMENT; MOSFET DEVICES;

ASYMMETRIC DOHERTY; EFFICIENCY EXTENSION; LINEAR DYNAMIC RANGE;

POWER AMPLIFIERS;

EID: 34248329778     PISSN: 0149645X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/MWSYM.2006.249499     Document Type: Conference Paper

References (5)

1. S. C. Cripps, RF Power Amplifier for Wireless Communications, Norwood, MA: Artech House, 1999.
2. K. J. Cho, J. H. Kim, and S. P. Stapleton, "RF high power Doherty amplifier for Improving the efficiency of a feedforward linear amplifier," IEEE MTT-S Int. Microwave Symp. Dig., 2004, pp. 847-850.
3. K. J. Cho, W. J. Kim. J. H. Kim, Stapleton, S. P., "Linearity optimization of a high power Doherty amplifier based on post-distortion compensation," Microwave and Wireless Components Letters, IEEE, Volume 15, Issue 11, Nov. 2005 Page(s):748 - 750
4. M. Iwamoto, A. Wiliams, P. Chen, A. G. Metzger, L. E. Larson, and P. M. Asbeck," An extended Doherty amplifier with high efficiency over a wide power range," IEEE Trans. Microw. Theory Tech., vol. 49, no. 12, pp. 2472-2478, Dec. 2001.
5. Y. Yang, J. Cha, B. Shin, and B. Kim, "A fully matched N-way Doherty amplifier with optimized linearity," IEEE Trans. Microwave Theory Tech., vol. 51, no. 3, pp. 986-993, March 2003