关于负反馈放大电路输出电阻的研究

Study of Output Resistance of Negative Feedback Amplification Circuit

对集成运放组成的负反馈电路进行了研究，提出利用电路的电压放大倍数的表达式来计算电路的输出电阻的方法．

The negtive feedback circuit made up of IC operational amplifiers was studied in this pa per. The method making use of voltage multiplying factor to calculate the output resistance was put forward. The method can also spreade applications in other amplifier circuit.