2006•Microwave and Optical Technology LettersRequires access

Design of a high efficiency power amplifier with input and output harmonic terminations

S. F. Ooi, S. K. Lee, A. Sambell, E. Korolkiewicz, Peter Butterworth

Abstract

Abstract In this article it is shown, how, using the load/source pull method to generate the current/voltage waveforms of a class‐F power amplifier, the optimum load, and source impedances at the first three harmonics are obtained. Novel harmonic controllable matching networks are then used to obtain the required impedances, thus improving the power‐added efficiency to 70.4%. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 391–395, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22123

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Key concepts: Harmonics, Amplifier, Electrical engineering, Harmonic, Electronic engineering, Impedance matching, Engineering, Power (physics)