Journal of Terahertz Science and Electronic Information Technology , Volume. 17, Issue 6, 1065(2019)
Design of 0.4-2.2 GHz continuous class-F modes power amplifiers
The continuous Class-F Power Amplifier(PA) can mitigate the requirement of fundamental and second harmonic impedances by introducing a modified factor, thus extending the bandwidth of class-F PAs. In this paper, a new modified continuous Class-F mode is proposed. The design space is extended by introducing the resistive second and third harmonic impedance, so that it can realize multi-octave bandwidth. Based on this theory, an ultra-broadband high-efficiency power amplifier is realized showing 59%-79% drain efficiency,39.8-41.4 dBm saturation output power and large signal gain above 10 dB in 0.4-2.2 GHz frequency range. The simulation and test results are good, which verifies the validity of the methodology.
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LI Yang, GAO Hongmin, LIU Gang, LENG Yongqing. Design of 0.4-2.2 GHz continuous class-F modes power amplifiers[J]. Journal of Terahertz Science and Electronic Information Technology , 2019, 17(6): 1065
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Received: Jun. 19, 2018
Accepted: --
Published Online: Feb. 24, 2020
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