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Time-reversal duality of high-efficiency RF power amplifiers

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3 Author(s)
Reveyrand, T. ; C2S2 Dept., XLIM, Limoges, France ; Ramos, I. ; Popović, Z.

The similarity between RF power amplifiers and rectifiers is discussed. It is shown that the same high-efficiency harmonically-terminated power amplifier can be operated in a dual rectifier mode. Nonlinear simulations with a GaN HEMT transistor model show the time-reversal intrinsic voltage and current waveform relationship between a class-F amplifier and rectifier. Measurements on a class-F-1 amplifier and rectifier at 2.14 GHz demonstrate over 80 efficiency in both cases.

Published in:

Electronics Letters  (Volume:48 ,  Issue: 25 )