/diy/ - Do It Yourself

>>1663024
>like thing
so, precision and linearity are a bit less of a concern? the OTA would work well (and, if you're working with audio electronics often, you should keep some of them in your jellybean jar)
>8 bit sound is ass
shit, I meant multiplying DAC
anyway that would only show up in the modulation. the idea is that you use your signal as a reference voltage, which is multiplied by the DAC value. you might not even notice zippering if you can move only one count at a time in either direction

>>1663032
I don't see anything glaringly obvious, then. I would be slightly concerned about possible variance in the R(on) of the chip, versus the relatively small 1k resistors into the summing node, which I would at least triple in order to help keep voltage-dependent R(on) effects and high currents through the switches from distorting the signal

>>1663034
I don't see a significant amplitude change there, mostly just a dc level shift. try it with a 2N7000 or similar small-signal MOSFET or JFET