请看下图,在看到lazhawei的模拟集成电路时,运放内部图,那么在计算闭环增益时,按照下面的思路,不知道哪边错了,望解答一下
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输出和AV1是直接相等的,如果AV1是压控电压源的话。
如果认为AV1是一个压控电流源的话,这和普通的电压模型的放大器不一样,计算公式里面会包含负载效应。