Signal-combiner

Posted on Aug 10, 2012

This circuit uses buffer stages to prevent channel crosstalk back through the mixer resistor network. The potentiometers used for each stage allow for convenient signal strength adjustment, while maintaining input impedance matching at the 600-0 audio standard.

Click here to download the full size of the above Circuit.

The feedback resistor R1will permit the output signal gain to be as high as 15 dB.

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