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Feedback Theory!


opacheco
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Hi,
I wopuld like to know where I can Find a complete Feedback Theory eBook,Notes, Tutorials or Thesis. I want to design a Tube Mic Preamp but I need a deep study of this topic.

Please let me to know any comments about Feedback Theory Docs!

Tnaks a lot,
OSCAR PACHECO.

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Output  = (Input * Feedback loop resistance ) / Input resistance)

On a clean OP-AMP with a linear response it’s all easy.
If you have some harmonics, or your circuit has some frequencies that
Drop out or resonate then the response will be a little harder to predict.

However that is not a flaw with Feedback, it’s a flaw in the amplifier.
(Or a feature depending on how you look at it.)


-Mike

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