I suspect it is some sort of delay. I'm not sure where it is creeping in, though. Check the transistor feeds power to the chips. If there is a bad connection, or it is in backwards, those chips would be current-starved. Also try adding decoupling capacitors directly between the power pins of the chips, as well as a 10uF between the emitter and ground.
On Fri, Feb 24, 2017 at 6:43 AM, andrew buscher hansbuscher@... [cgs_synth] <cgs_synth@yahoogroups.com> wrote:Thanks for the reply. I have a TL074CN.Is this propagation delay?Thank You-Hans Buscher310-776-0143 text
On Feb 22, 2017, at 8:10 PM, Ken Stone otherunicorn@... [cgs_synth] <cgs_synth@yahoogroups.com> wrote:Did you use a TL072, or did you substitute it for another chip?On Thu, Feb 23, 2017 at 10:12 AM, andrew buscher hansbuscher@... [cgs_synth] <cgs_synth@yahoogroups.com> wrote:Hello All. My CGS89's pulse outs have a very short "ghost pulse"after the main pulse.
This occurs in both the A&B outs. It's the same height as the main pulse do it does trigger things. I've swapped the 4017 & 4081s with no change.
Any ideas anyone?
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Thank You
-Hans Buscher
310-776-0143 text
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