A two-phase switching hybrid supply modulator for polar transmitters with 9% efficiency improvement

Digest of Technical Papers - IEEE International Solid-State Circuits Conference

Volumn 53, Issue , 2010, Pages 196-197

  Wu, Ying ^a   Mok, Philip K T ^a  

^a HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Hong Kong)

Author keywords

[No Author keywords available]

Indexed keywords

DYNAMIC EFFICIENCY; EFFICIENCY IMPROVEMENT; FEED-FORWARD; HIGH BANDWIDTH; HIGH EFFICIENCY; HIGH FREQUENCY HF; HYBRID AMPLIFIER; LINEAR AMPLIFIERS; LINEAR POWER AMPLIFIERS; LINEAR REGULATORS; LOAD CURRENTS; LOW POWER; MAXIMUM EFFICIENCY; PHASE SWITCHING; POLAR TRANSMITTER; SUPPLY MODULATOR; SWITCHED MODE POWER SUPPLIES; SWITCHING AMPLIFIERS; SWITCHING LOSS; WIDE-BAND;

BANDPASS FILTERS; BANDWIDTH; COMPETITION; POWER AMPLIFIERS; SHAPE MEMORY EFFECT; SWITCHING; TOPOLOGY; TRANSMITTERS;

MODULATORS;

EID: 77952197481     PISSN: 01936530     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ISSCC.2010.5433989     Document Type: Conference Paper

References (5)

1. P. Reynaert, M. Steyaert, "A 1.75GHz GSM/EDGE polar modulated CMOS RF power amplifier," ISSCC Dig. Tech. Papers, pp. 312-313, Feb., 2005.
2. V. Pinon, et al., "A single-chip WCDMA envelope reconstruction LDMOS PA with 130MHz switched-mode power supply," ISSCC Dig. Tech. Papers, pp. 564-565, Feb., 2008.
3. T.-W. Kwak, et al., "A 2W CMOS Hybrid Switching Amplitude Modulator for EDGE Polar Transmitters," ISSCC Dig. Tech. Papers, pp. 518-519, Feb., 2007.
4. W.-Y. Chu, B. Bakkaloglu, S. Kiaei, "A 10MHz-Bandwidth 2mV-Ripple PA-supply Regulator for CDMA Transmitters," ISSCC Dig. Tech. Papers, pp. 448-449, Feb., 2008.
5. J.-H. Chen, P. Fedorenko, J. S. Kenney, "A low voltage W-CDMA polar transmitter with digital envelope path gain compensation," IEEE Microwave & Wireless Components Letters, vol. 16, no. 7, pp. 428- 430, July, 2006.