Friday, September 9, 2011

Lofi mixer with cd4069

Here is a lofi mixer+distortion, the component values are examples...

It uses one inverter from cd4069 as a summing amplifier. You can add more channels by repeating the input circuitry (100k pot, 0,1uF cap, 47k resistor) The 500k pot is gain and will give a nice amount of distortion if/when needed :) You can use a single 4069 chip to build both filters in the previous post and this mixer.

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