State Variable Power amp by LM3886

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Joined 2015
A state variable is a multistage filter that provides LP BP & HP as this
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The idea is to replace the second integrator by the power opamp as LM3886.
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For now I adjusted to provide extra 20db NFB for a gain of 20db. That is it can have 10 times less distortion than standalone with the same gain.
 

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