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Optimization of Harmonic Tuning Circuit vary as Drain Voltage of Class F Power Amplifier  

Lee, Chong-Min (Information and Telecommunication Engineering, Soongsil University)
Seo, Chul-Hun (Information and Telecommunication Engineering, Soongsil University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.46, no.1, 2009 , pp. 102-106 More about this Journal
Abstract
This paper presents the design and optimization of output matching network according to envelope for class F power amplifier(PA) which is to apply to envelope elimination and restoration(EER) transmitter. In this paper, to increase the PAE of class F power amplifier which applies to EER transmitter, the varactor diode has been used on output matching network. As envelope changes, it optimizes constitution of harmonic trap that is short circuit in 2nd-harmonic and is open circuit in 3rd-harmonic. When drain voltage changes from 25 V to 30 V, some percentage is improved in the PAE.put the abstract of paper here.
Keywords
Class F PA; load-pull impedance; envelope tracking circuit; varactor diode; harmonic tuning circuit;
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1 J. S. Kenney and P. Fedorenko, "Identification of RF Power Amplifier Memory Effect Origins using Third-Order Intermodulation Distortion Amplitude and Phase Asymmetry," 2006 IEEE MTT-S Int. Microwave Symp. Dig., pp. 13-18, June 2006
2 R. Negra, F. Ghannouchi, and W. Bchtold, "Study and design optimisation of multiharmonic transmission-line load networks for class-E and class-F K-band MMIC power amplifiers," vol. 55, pp. 1390–1397, June 2007
3 S. Cripps, RF power amplifiers for wireless communications 2nd, Massachusetts: Artech house, 2006
4 P. Fedorenko and J. S. Kenney, "Analysis and Suppression of Memory Effects in Envelope Elimination and Restoration (EER) Power Amplifiers," IEEE Trans. Microwave Theory Tech., vol. 3, no. 8, pp. 1453–1456, June 2007
5 A. Grebennikov and N. O. Sokal, Switchmode RF Power Amplifiers, Massachusetts: Elsevier, 2007
6 F. Raab, P. Asbeck, S. Cripps, P. Kenington, Z. Popovic, N. Pothecary, J. Sevic, and N. Sokal, "Power amplifiers and transmitters for RF and microwave," IEEE Trans. Microwave Theory Tech., vol. 50, no. 3, pp. 814–826, March 2002   DOI   ScienceOn
7 F. Raab, "Class-E, Class-C, and Class-F power amplifiers based up on a finite number of harmonics," IEEE Trans. Microwave Theory Tech., vol. 49, no. 8, pp. 1462–1468, August 2001   DOI   ScienceOn
8 L. R. Kahn, "Single Sideband Transmission by Envelope Elimination and Restortation," Proc. IRE, Vol. 40, No. 7, pp. 803-806, July 1952   DOI   ScienceOn
9 J. F. Sevic, K. L. Burder, and M. B. Steer, " Novel Envelope-Termination Load-Pull Method for ACPR Optimization of RF/Microwave Power Amplifiers,"1998 IEEE MTT-S Int. Microwave Symp. Dig., Baltimore, MD, pp. 723-25, June 1998
10 R. Negra and W. Bachtold, "Lumped-element load-network design for class-E power amplifiers," IEEE Trans. Microwave Theory Tech., vol. 54, no. 6, pp. 2684–2690, 2006   DOI   ScienceOn