所设计的射频2W线性功率放大器是基于负载线匹配原理，采用功率回退法技术。
The 2W linear RF Power Amplifier in this paper is designed in Feedback method, based on Loadline Theory.
同时，软件无线电为射频功率放大器的设计提供了新的技术途径。
At the same time, SDR provides new techniques and methods for the design of power amplifiers.
射频功率放大器总是工作在大信号状态下，它所用的放大器件和电路设计方法都不同于小信号放大器，导致了功率放大器的设计难度较大。
RF PA almost working in large signal, so it's circuit design methods and transistor used are different from microwave small signal amplifier, these will led to RF PA design become more difficulty.
提出了一种新型的缺陷地结构，并将这种新型的缺陷地结构应用于实际所设计的射频功率放大器中。
This paper presented a novel DGS structure and apply it to the actual design of RF power amplifiers.
提出了一种新型的缺陷地结构，并将这种新型的缺陷地结构应用于实际所设计的射频功率放大器中。
This paper presented a novel DGS structure and apply it to the actual design of RF power amplifiers.
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