Abstract

The single-ended RF power amplifier (PA) is a standard design approach in the RF engineer?s tool kit, but high efficiency and good linearity may only be achieved if the harmonic terminations and biasing conditions are carefully examined. This is demonstrated in a single-ended PA using class-AB sweet spots and an optimized third harmonic termination, which won first place at the 2016 IEEE Microwave Theory and Techniques Society (MTT-S) International Microwave Symposium?s high-efficiency PA student design competition, sponsored by Technical Committee MTT-5.

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