### Asymptotic gain model

The asymptotic gain model (also known as the Rosenstark method) is a representation of the gain of negative feedback amplifiers given by the asymptotic gain relation:{\displaystyle G=G_{\infty }\left({\frac {T}{T+1}}\right)+G_{0}\left({\frac {1}{T+1}}\right)\ ,}
where {\displaystyle T} is the return ratio with the input source disabled (equal to the negative of the loop gain in the case of a single-loop ...

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