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在基本放大器近似为单向有源网络的前提下,求得了四种反馈放大器的“简洁”条件。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。
Under the condition that the basic amplifier is approximately a one-way active network, the “simple” conditions of the four kinds of feedback amplifiers are obtained. In the “simple” condition, the feedback amplifier’s transfer function and input and output impedances are concise and easy to use.