A zero-voltage-switching contour-based power amplifier with minimal efficiency degradation under back-off

IEEE Transactions on Microwave Theory and Techniques

Volumn 59, Issue 6, 2011, Pages 1589-1598

  Singhal, Nitesh ^a   Nidhi, Nitin ^a   Patel, Rishi ^a   Pamarti, Sudhakar ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Peak to average power ratio (PAR); peak to minimum power ratio (PMR); power amplifier (PA); zero voltage switching (ZVS)

Indexed keywords

BACK-OFF; CLASS E; DISCRETE COMPONENTS; DRAIN EFFICIENCY; DUTY-CYCLE MODULATIONS; EFFICIENCY DEGRADATION; IMPEDANCE TRANSFORMATION NETWORKS; MEASUREMENT RESULTS; OUTPUT POWER; OUTPUT POWER LEVELS; PEAK EFFICIENCY; PEAK OUTPUT POWER; PEAK-TO-AVERAGE POWER RATIOS; PEAK-TO-MINIMUM POWER RATIO (PMR); SWITCHING POWER AMPLIFIERS; ZERO VOLTAGE SWITCHING (ZVS);

DEGRADATION; EFFICIENCY; POWER AMPLIFIERS; PRINTED CIRCUIT BOARDS;

ZERO VOLTAGE SWITCHING;

EID: 79959236617     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2011.2131677     Document Type: Article

References (23)

1. D. Chowdhury, P. Reynaert, and A. M. Niknejad, "Transformer-coupled power amplifier stability and power back-off analysis," IEEE Trans. Circuits Syst. II, Exp. Briefs, vol. 55, no. 6, pp. 507-511, Jun. 2008.
2. W. K. D. M. Snider, "Atheoretical analysis and experimental confirmation of the optimally loaded and overdrive RF power amplifier," IEEE Trans. Electronic Devices, vol. ED-14, no. 12, pp. 851-857, Dec. 1967.
3. I. Aoki, S. D. Kee, D. B. Rutledge, and A. Hajimiri, "Distributed active transformer-A new power-combining and impedance-transformation technique," IEEE Trans. Microw. Theory Tech., vol. 50, no. 1, pp. 316-331, Jan. 2002.
4. 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 envelopetracking OFDM power amplifier," IEEE J. Solid-State Circuits, vol. 42, no. 6, pp. 1271-1281, Jun. 2007. (Pubitemid 46853235)
5. N. Wongkomet, L. Tee, and P. R. Gray, "A +31.5 dBm CMOS RF Doherty power amplifier for wireless communications," IEEE J. Solid- State Circuits, vol. 41, no. 2, pp. 2852-2859, Dec. 2006.
6. N. Srirattana, A. Raghavan, D. Heo, P. E. Allen, and J. Laskar, "Analysis and design of a high-efficiency multistage Doherty power amplifier for wireless communications," IEEE Trans. Microw. Theory Tech., vol. 53, no. 3, pt. 1, pp. 852-860, Mar. 2005.
7. A. Kavousian, "A digitally modulated polar CMOS PA with 20 MHz signal BW," IEEE J. Solid-State Circuits, vol. 43, no. 10, pp. 2251-2258, Oct. 2008.
8. P. T. M. van Zeijl and M. Collados, "A digital envelope modulator for a WLAN OFDM polar transmitter in 90 nm CMOS," IEEE J. Solid-State Circuits, vol. 42, no. 10, pp. 2204-2211, Oct. 2007. (Pubitemid 47483003)
9. C. D. Presti, F. Carrara, A. Scuderi, P. M. Asbeck, and G. Palmisano, "A 25 dBm digitally modulated CMOS power amplifier for WCDMA/EDGE/OFDM with adaptive digital predistortion and efficient power control," IEEE J. Solid-State Circuits, vol. 44, no. 7, pp. 1883-1896, Jul. 2009.
10. S. Kousai and A. Hajimiri, "An octave-range watt-level fully integrated CMOS switching power mixer array for linearization and back-off efficiency improvement," IEEE Int. Solid-State Circuits Conf. Tech. Dig., pp. 376-7, Feb. 2009.
11. P. Reynaert and M. S. Steyaert, "A 1.75-GHz polar modulated CMOS RF power amplifier for GSM-EDGE," IEEE J. Solid-State Circuits, vol. 40, no. 12, pp. 2598-2608, Dec. 2005.
12. T. Sowlati, D. Rozenblit, R. Pullela, M. Damgaard, E. McCarthy, D. Koh, D. Ripley, F. Balteanu, and I. Gheorghe, "Quad-band GSM/GPRS/EDGE polar loop transmitter," IEEE J. Solid-State Circuits, vol. 39, no. 12, pp. 2179-2189, Dec. 2004.
13. D. C. Cox, "Linear amplification with nonlinear components," IEEE Trans. Commun., vol. COM-22, no. 12, pp. 1942-1945, Dec. 1974.
14. S. Moloudi, M. Youssef, M. Makhimar, K. Takinami, and A. Abidi, "An outphasing PA for a software-defined radio transmitter," in IEEE Int. Solid-State Circuits Conf. Tech. Dig., 2008, pp. 78-79.
15. A. Jayaraman, P. F. Chen, G. Hanington, L. Larson, and P. Asbeck, "Linear high-efficiency microwave power amplifiers using bandpass delta-sigma modulators," IEEE Microw. Guided Wave Lett., vol. 8, no. 3, pp. 121-123, Mar. 1998. (Pubitemid 128445493)
16. J. Keyzer, J. Hinrichs, A. Metzger, M. Iwamoto, I. Galton, and P. Asbeck, "Digital generation of RF signals for wireless communications with bandpass delta-sigma modulation," in IEEE MTT-S Int. Microw. Symp. Dig., May 2001, vol. 3, pp. 2127-2130. (Pubitemid 34078445)
17. J. S. Walling, H. Lakdawala, Y. Palaskas, A. Ravi, O. Degani, K. Soumyanath, and D. J. Allstot, "A class-E PA with pulse-width and pulse-position modulation in 65 nm CMOS," IEEE J. Solid-State Circuits, vol. 44, no. 6, pp. 1668-1678, Jun. 2009.
18. F. H. Raab, "High-efficiency linear amplification by dynamic load modulation," in IEEE MTT-S Int. Microw. Symp. Dig., Jun. 2003, vol. 3, pp. 1717-1720.
19. N. Singhal, N. Nidhi, and S. Pamarti, "A power amplifier with minimal efficiency degradation under back-off," in Proc. IEEE Int. Circuits Syst. Symp., 2010, pp. 1851-54.
20. J. Kitchen, C. Chu, S. Kiaei, and B. Bakkaloglu, "Supply modulators for RF polar transmitters," in Proc. IEEE RF Integr. Circuits Symp., 2008, pp. 417-442.
21. F. H. Raab, "Idealized operation of the class E tuned power amplifier," IEEE Trans. Circuits Syst., vol. CAS-24, no. 12, pp. 725-735, Dec. 1977.
22. R. E. Zulinski and J. W. Steadman, "Class E power amplifiers andFrequency multipliers with finite DC-feed inductance," IEEE Trans. Circuits Syst., vol. 34, no. 9, pp. 1074-87, Sep. 1987.
23. Antenna Handbook. New York: Chapman & Hall, 1993, vol. 3, pp. 26-40.