Advanced design of linear doherty amplifier for high efficiency using saturation amplifier

IEEE MTT-S International Microwave Symposium Digest

Volumn , Issue , 2007, Pages 1573-1576

  Kim, Jangheon ^a   Kim, Bumman ^a   Woo, Young Yun ^b  

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

^b SAMSUNG Electronics   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

CODE DIVISION MULTIPLE ACCESS; ELECTRIC POWER MEASUREMENT; HARMONIC GENERATION; LEAKAGE CURRENTS; MOSFET DEVICES; WAVEFORM ANALYSIS;

HARMONIC CANCELLATION; HARMONIC CONTROL CIRCUITS; LINEAR DOHERTY AMPLIFIERS; SATURATION AMPLIFIERS;

POWER AMPLIFIERS;

EID: 34748883743     PISSN: 0149645X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/MWSYM.2007.380576     Document Type: Conference Paper

References (8)

1. S.C. Gripps, RF Power Amplifiers for Wireless Communications. Norwood, MA: Altech House, 1999.
2. F. H. Raab, "Efficiency of Doherty RF power-amplifier systems," IEEE Trans. Broadcast, vol. BC-33, no. 3, pp. 77-83, Sept. 1987.
3. J. Kim, J. Cha, I. Kim, and B. Kim, "Optimum operation of asymmetrical-cells-based linear Doherty power amplifiers - uneven power drive and power matching," IEEE Trans. Microw. Theory Tech., vol. 53, no. 5, pp. 1802-1809, May 2005.
4. Y. Yang, J. Cha, B. Shin, and B. Kim, "A fully matched N-way Doherty amplifier with optimized linearity," IEEE Trans. Microw. Theory Tech., vol. 51, no. 3, pp. 986-993, March 2003.
5. F. H. Raab, B. E. Sigmon, R. G. Myers, R. M. Jackson, "L-Band transmitter using Kahn EER technique," IEEE Trans. Microw. Theory Tech., vol. 46, no. 12, pp. 2220-2225, Dec. 1998.
6. Jau-Hoing Chen, P. Fedorenko, J. S. Kenney, "A low voltage W-CDMA polar transmitter with digital envelope path gain compensation," IEEE Microw. Wireless Compon. Lett., vol. 16, no. 7, pp. 428-430, My 2006.
7. D. F. Kimball, L Jeong, C. Hsia, P. Draxler, S. Lanfranco, W. Nagy, K. Linthicum, L. E. Larson, P. M. Asbeck, "High-efficiency envelopetracking W-CDMA base-station amplifier using GaN HFETs," IEEE Trans. Microw. Theory Tech., vol. 54, no. 11, pp. 3848-3856, Nov. 2006.
8. Y. Y. Woo, Y Yang, and B. Kim, "Analysis and experiments for high efficiency class F and inverse class-F power amplifiers," IEEE Trans. Microw. Theory Tech., vol. 54, no. 5, pp. 1969-1974, May 2006.