微波功率放大器设计需要大信号s参数，但大多数情况下，设计者只有小信号s参数和静态I - V曲线。
The design of microwave power amplifier needs large-signal s parameters, but under most circumstances, the designer only has small-signal s parameters and the static I-V curve.
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.
通常固定增益的放大器在兼顾大的动态范围和较高的小信号精度的情况下很难满足预期的要求。
In general, it is difficult fixed gain magnifier to achieve the vast scale and high-precision of feeble signal at the same lime.
通常固定增益的放大器在兼顾大的动态范围和较高的小信号精度的情况下很难满足预期的要求。
In general, it is difficult fixed gain magnifier to achieve the vast scale and high-precision of feeble signal at the same lime.
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