The invention discloses a power amplification device comprises a first amplifying branch 210, branch 220, second amplified harmonic injection unit 230 and a first output matching unit 240, wherein the first amplifying branch 210 of the first amplifier 211 to support the first frequency; the second amplifying branch 220 in second of the first and 221 support frequency amplifier the second frequency, and the second power amplifier 221 for the signal value is lower than the cutoff frequency of the first threshold; the 230 harmonic injection unit so that the input signal input end of the frequency of second I2 input from the second to the first input from the I1 input of the first frequency signal, in order to get through the first frequency the signal of harmonic injection; the first output end O1 for outputting the first frequency signal after the harmonic injection, the second output end for output from O2 The signal of the first frequency of the second input terminal I2, and the first output terminal O1 and the second output end O2 open the signal for the second frequency, have simple structure and have higher efficiency.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请,说明书已公开。
【技术保护点】
PCT国内申请,权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】PCT国内申请,...
【专利技术属性】
技术研发人员:王彦辉,张希坤,韦前华,
申请(专利权)人:华为技术有限公司,
类型:发明
国别省市:广东;44
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