A UHF-band 100 W broadband hybrid GaN power amplifier based on the regional modulation of impedance distribution method

Lu, Yang; Xu, Xin; Han, Hong-Bo; Zhao, Bingxuan; Zhang, Hengshuang; Zhao, Ziyue; Yi, Chupeng; Wang, Yu-Chen; Guo, Lixin; Ma, Xiaohua

doi:10.1016/j.aeue.2021.153959

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2022

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“…So only through other means to try to broaden the bandwidth, but this will make the design process complicated, the size of the circuit is too large. Therefore, switching PA and continuous switching PA are not the first choice for designing wideband PA in engineering practice; In reference [5], based on the step impedance converter and load-pull, the matching networks were designed, so as to realize the design of broadband PA, but the bandwidth that ordinary step impedance converter can achieve is limited after all; Additionally, reference [6] proposed a type of elliptic low-pass and band-pass matching network. A PA was realized from 1.45 to 2.55 GHz.…”

Section: Introductionmentioning

confidence: 99%

A Broadband Power Amplifier Based on a Novel Filter Matching Network

Nan

Gao

et al. 2022

Electronics

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This paper presents a new realization method of a broadband power amplifier based on a novel filter matching network. The novel matching network based on band-pass filter has an excellent frequency-selection function, which can ensure the novel matching network has excellent characteristics in the aim band and generates the out-of-band harmonic suppression. Finally, we manufactured the power amplifier and measured it. The saturated output power is greater than 40 dBm in the range of 1 to 3 GHz, limited to ±1.5 dB of the gain flatness, and the rejection of harmonic is stronger than −20 dBc.

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Section: Introductionmentioning

confidence: 99%