Sounds like power-rail fluctuations. Try adding 100uF caps between +15 and 0
and -15 and 0. If that helps, start thinking about upgrading your PSU.
Ken
Ken Stone sasami@... or sasami@...
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
and -15 and 0. If that helps, start thinking about upgrading your PSU.
Ken
>Hi All,_______________________________________________________________________
>
>I just finished my analog shift register and it seems that the outputs
>are modulated by the counter state. The asr is working but each output
>fluctuates by about 10mV depending on the 4024's outputs. I think it's
>due to something other than be due to mismatching of the output buffer
>resistors, maybe 4052 quality? Anyone else ever see this type of
>problem?
>
>Thanks,
>
>Keith
>
>
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>Yahoo! Groups Links
>
>
>
>
>
>
>
Ken Stone sasami@... or sasami@...
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>