对低噪声放大器设计时，主要围绕正向功率增益、噪声系数、线性度、功耗等主要性能指标进行设计。
We designed the LNA according to the performance index of its forward power gain, noise figure, linearity, power consumption and so on.
最大正向整流电流该参数与灯功率有关，所选二极管的额定电流值至少应是交流母线中峰值电流的3倍以上。
Biggest positive the parameters associated with the lamp power rectifier current, the rated current value of the selected diode should be a peak current in ac bus at least more than 3 times.
一个离合器的作用是给最后一级传动机构，即作为主功率放大器的绞盘，提供正向力矩。
Actuation of one clutch provides positive torque to the final drive, the capstan acting as the main power amplifier.
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