Electronic balanced input microphone amplifier


Posted on Mar 6, 2013

It is possible to simulate the balanced performance of a transformer electronically with a different amplifier. By adjusting the presets, the resistor ratio can be balanced so that the best CMRR is obtained. It is possible to get a better CMRR than from a transformer


Electronic balanced input microphone amplifier
Click here to download the full size of the above Circuit.

Use a RC4136 which is a quad low noise op amp.




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