2020
DOI: 10.1002/mmce.22464
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Highly efficient Doherty power amplifier using continuous inverseclass‐Fandclass‐Jhybrid mode

Abstract: A continuous inverse class-F (CCF −1) and class-J hybrid mode for the carrier power amplifier (PA) of the Doherty power amplifier (DPA) is proposed in this paper. In this hybrid mode, the carrier PA works in the CCF −1 mode at the saturated output power and the class-J mode at the low output power, which extends the design space of the conventional single continuous mode. A highly efficient Doherty power amplifier based on this hybrid mode is designed and fabricated using a CGH40010F 10 W GaN HEMT packaged dev… Show more

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“…Moreover, in order to enhance PA performance, harmonic tuning techniques have been considered so far [32][33][34], but most of them suffer from bandwidth limitations. The class-J PA shows wide bandwidth compared to other harmonic-tuned PAs [35][36][37], while its sensitivity to harmonics of the matching network is lower than class F [38,39].…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, in order to enhance PA performance, harmonic tuning techniques have been considered so far [32][33][34], but most of them suffer from bandwidth limitations. The class-J PA shows wide bandwidth compared to other harmonic-tuned PAs [35][36][37], while its sensitivity to harmonics of the matching network is lower than class F [38,39].…”
Section: Introductionmentioning
confidence: 99%