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Whoohoo! Another one built and tested. I'm happy this one is working (mostly) as intended. I've been wrangling with this circuit for a while trying to get the output in a range I like to use, and keep the component count down. I've also tried to simplify the circuit as much as I can, since when things get complicated it gets tough to troubleshoot issues.
Speaking of which, this module has a bit of voltage drift when the sample rate is really slow (less than 1Hz). If its a couple of seconds between samples, you can really notice the voltage (pitch when used for 1V/Oct) swing up or down. This should be fine for other CV stuff like filter control.
Guess I have something to work on for the next revision.
More to come!
Speaking of which, this module has a bit of voltage drift when the sample rate is really slow (less than 1Hz). If its a couple of seconds between samples, you can really notice the voltage (pitch when used for 1V/Oct) swing up or down. This should be fine for other CV stuff like filter control.
Guess I have something to work on for the next revision.
More to come!
Category All / All
Species Unspecified / Any
Size 1280 x 960px
File Size 285.1 kB
Ya I hear you. For most applications, the generic stuff I get from Tayda and the like are just fine. But I suppose in this case I should use something a bit higher quality.
I need to breadboard this up again and see if I can't fine-tune the circuit a bit more. Maybe I can get away with using a smaller cap. (currently using a 0.22uF for the "hold")
I need to breadboard this up again and see if I can't fine-tune the circuit a bit more. Maybe I can get away with using a smaller cap. (currently using a 0.22uF for the "hold")
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