This system is consisted of a directional coupler,a detector,a logarithmic amplifier,a loop integrator,an exponential amplifier and a linear modulator.
针对微波信号发生器中自动电平控制系统的高准确度和大动态范围要求,本文设计了一种高性能前馈式自动电平控制系统,该系统由定向耦合器、检波器、对数放大器、环路积分器、指数放大器和线性调制器等单元组成。
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