[sdiy] Longish cables causing wierdish results
jhaible
jhaible at debitel.net
Thu Sep 18 00:18:26 CEST 2003
> I'm trying to test a Milton using a 20 foot cable from my synth to the
unit
> for the drive clock. Although the cable is shielded, as suspected, there
> are some problems and it's skipping stages all over the place, yet works
> hunky dory on a shorter (read: not quite so ridiculously long) rope.
Could be oscillation from a capacitance-loaded opamp. In that case,
you want to insert a series resistor (try 1kOhm) on the driving side.
Just a guess based on your description - I don't know what's inside a
Milton.
JH.
>
> I tried an inductor, I tried a cap to ground. No improvement. Any
> suggestions? I need a clock to drive this thing and it has to be on the
> bench which is on the other side of a large room. I tried setting up my
> scope, solder iron, et al by the synthesizer, but this wasn't working for
me
> (what can I say, no room for the Pamela Anderson poster from my bench).
>
> Please tell me there's another solution outside of an active circuit
> addition on the receiving end.
>
> thanks in advance,
>
> Peter
>
>
>
>
More information about the Synth-diy
mailing list