A highly efficient 1.95-GHz, 18-W asymmetric multilevel outphasing transmitter for wideband applications

IEEE MTT-S International Microwave Symposium Digest

Volumn , Issue , 2011, Pages

  Godoy, Philip A ^a   Chung, SungWon ^a   Barton, Taylor W ^a   Perreault, David J ^a   Dawson, Joel L ^a  

^a Massachusetts Institute of Technology Cambridge   (United States)

Author keywords

base station; digital predistortion; discrete supply modulator; LINC; outphasing; power amplifier

Indexed keywords

4-LEVEL; AVERAGE SYSTEM; CHANNEL BANDWIDTH; CLASS E; DIGITAL PREDISTORTION; DIGITAL SWITCHING; DISCRETE SUPPLY MODULATOR; ENVELOPE TRACKING; GAN POWER AMPLIFIER; GATE DRIVERS; LINC; LOW-VOLTAGE; OUTPHASING; OUTPUT POWER; PEAK OUTPUT POWER; POWER-ADDED EFFICIENCY; SUPPLY MODULATOR; SUPPLY VOLTAGES; WIDEBAND APPLICATIONS;

BROADBAND AMPLIFIERS; EFFICIENCY; GALLIUM NITRIDE; POWER AMPLIFIERS; TRANSMITTERS;

MODULATORS;

EID: 80052321123     PISSN: 0149645X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/MWSYM.2011.5972660     Document Type: Conference Paper

References (5)

1. C. Hsia et al., "Wideband high efficiency digitally-assisted envelope amplifier with dual switching stages for radio base-station envelope tracking power amplifiers," in IEEE MTT-S Int'l Microwave Symp. Dig., May 2010, pp. 672-675.
2. J. Moon et al., "Doherty amplifier with envelope tracking for high efficiency," in IEEE MTT-S Int'l Microwave Symp. Dig., May 2010, pp. 1086-1089.
3. S. Chung et al., "Asymmetric multilevel outphasing architecture for multistandard transmitters," in IEEE Radio Freq. Int. Circ. Symp. Dig. Tech. Papers, June 2009.
4. J. Hur et al., "Highly efficient uneven multi-level LINC transmitter,"Electronics Lett., vol. 45, no. 16, pp. 837-838, July 2009.
5. D. T.-T. Wu et al., "First-pass design of high efficiency power amplifiers using accurate large signal models," in IEEE Wireless and Microwave Tech. Conf., 2010, pp. 1-4.