High efficiency envelope tracking power amplifier with very low quiescent power for 20 MHz LTE

Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium

Volumn , Issue , 2011, Pages

  Hassan, Muhammad ^a,c   Kwak, Myoungbo ^a,c   Leung, Vincent W ^b   Hsia, Chin ^a,c   Yan, Jonmei J ^a,c   Kimball, Donald F ^c   Larson, Lawrence E ^a,c   Asbeck, Peter M ^a,c  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b QUALCOMM INC   (United States)

^c UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Envelope tracking (ET); long term evolution (LTE); power amplifier (PA); supply modulator

Indexed keywords

CROSS-COUPLED; DC POWER; ENVELOPE TRACKING; HIGH EFFICIENCY; LINEAR AMPLIFIERS; LONG TERM EVOLUTION (LTE); OUTPUT POWER; POWER-ADDED EFFICIENCY; SUPPLY MODULATOR; SWITCHING AMPLIFIERS; WIDE-BAND;

BROADBAND AMPLIFIERS; DIGITAL INTEGRATED CIRCUITS; EFFICIENCY; POWER AMPLIFIERS; RADIO; RADIO WAVES;

DC POWER TRANSMISSION;

EID: 79960803894     PISSN: 15292517     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/RFIC.2011.5940618     Document Type: Conference Paper

References (7)

1. F. Wang, D. F. Kimball, D. Y. Lie, P. M. Asbeck, and L. E. Larson, "A monolithic high-efficiency 2.4-GHz 20-dBm SiGe BiCMOS envelope-tracking OFDM power amplifier," IEEE J. Solid-State Circuits, vol. 42, no. 6, pp. 1271-1281, Jun. 2007.
2. C. Hsia, D. F. Kimball, S. Lanfranco, and P. M. Asbeck, "Wideband high efficiency digitally-assisted envelope amplifier with dual switching stages for radio base-station envelope tracking power amplifiers," in IEEE MTT-S Int. Microw. Symp. Dig., pp. 672-675, May 2010.
3. J. Choi, D. Kim, D. Kang, J. Park, B. Jin, and B. Kim, "Envelope tracking power amplifier robust to battery depletion," in IEEE MTT-S Int. Microw. Symp. Dig., pp. 1074-1077, May 2010.
4. W. Chu, B. Bakkaloglu, and S. Kiaei, "A 10MHz bandwidth 2mV-ripple PA-supply regulator for CDMA transmitters," IEEE Int'l Solid State Circ. Conf. Dig. Tech. Papers, pp. 448-449, Feb. 2008.
5. R. Castello and P. Gray, "A high-performance micropower switched-capacitor filter," IEEE J. Solid-State Circuits, vol. 20, no. 6, pp. 1122-1132, Jun 1985.
6. R. Shrestha, R. A. R. van der Zee, A. J. M. Graauw, and B. Nauta, "A wideband supply modulator for 20 MHz RF bandwidth polar PAs in 65 nm CMOS," IEEE J. Solid-State Circuits, vol. 44, no. 4, pp. 1272-1280, April 2009.
7. D. Kim, J. Choi, D. Kang, and B. Kim, "High efficiency and wideband envelope tracking power amplifier with sweet spot tracking," in IEEE Radio Frequency Integrated Circiuts Symposium, pp. 255-258, May 2010.