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simple audio mixer circuit schematic

Simple Audio Mixer Circuit

The simple audio mixer circuit is built on common base principle, where input voltages are transformed in alternative currents wich are summed to form the alternative current component for the collector. The total amplification is R6/Ri, where Ri is one of the input resistors. I’ve build this mixer for a little fm transmitter and works great.

Audio Mixer Circuit Schematic

simple audio mixer circuit schematic

simple audio mixer circuit schematic

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