在“简洁”条件下，反馈放大器的传递函数和输入、输出阻抗具有简洁和便于应用的形式。
On the "simplifying" conditions, the transfer functions, as well as the input and output impedance expressions of the feedback amplifiers, are succinct; and, can be conveniently used.
实现给定传递函数的模拟电路一般包含若干个运算放大器及电阻、电容等元器件。
The analog electronic circuit implementing the known transfer function contains some operational amplifiers, resistors and capacitors.
本文提出一条建立放大器单向化模型的新途径，由该单向化模型可以非常容易地获得放大器的传递函数。
A new approach to get unilateral models for amplifiers is given. The transfer functions of such amplifiers are easily obtained by using the models.
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