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Third Harmonic Injection Increasing the Efficiency of High-Power HF Amplifiers

1985; Institute of Electrical and Electronics Engineers; Volume: BC-31; Issue: 2 Linguagem: Inglês

10.1109/tbc.1985.266562

1557-9611

Zdenka Zivkovic, Aleksandar Marković,

Advanced DC-DC Converters

The paper deals with the influence of the third harmonic injection into the grid and anode qirclits of a tuned high power amplifier, in order to improve the efficiency. The linear triode model is used, enabling avaluation of all power balance important parameters in a closed form. The results obtained are compared with the performances of the same amplifiers, without injection.