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/diy/ - Do It Yourself

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>> No.1432826 [View]
File: 3 KB, 323x156, feedback amplifer.png [View same] [iqdb] [saucenao] [google]
1432826

>>1432816
>>1432824
In addition to this, deriving the effect of gain fluctuations and poor frequency responses on an amplifier with and without negative feedback is also very educational. You start with the equation:
>V_out = A*(V_in + B*V_out)
Where A is the open-loop gain and B is your feedback fraction, corresponding to the following circuit:

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