TWO_CHANNEL_AUDIO_MIXER

Published:2009/7/17 3:19:00 Author:Jessie | From:SeekIC

The figure shows a basic two-channel op-amp mixer circuit. The gain is equal to R5/R1 or R5/R2 for channel 1 or 2, respectively. Typically R1 and R2 are 2.2 to 22 kΩ and R5 is 10 to 100 kΩ, and the op amp is any suitable type, such as a 741 or its numerous variations.



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