Yahoo Groups archive

Cgs synth

Index last updated: 2026-04-28 23:16 UTC

Message

Re: VCO low output question

2006-01-20 by josh summitt

Does the volume get louder at lower frequencies. (i.e. start turning your
tune knob all the way down). Just curious. I had a similar problem once.

On 1/19/06, jtmcnc <mccusker@...> wrote:
>
> I've been lurking around here for awhile - and I have just finished
> building a steiner filter in
> banana format (successfully!) but am having less luck with the VCO.
>
> I am getting an extremely low output from both the saw and sine, and an
> almost inaudible
> signal from the square - all the waveforms sound the same.
>
> The strangest thing is that the volume of the sine output slowly decreases
> even further once
> its powered on (from approx. 3.5V to .7V on the sine wave output).
> Measuring at the AC
> coupled saw output the voltage steadily decreases to almost nothing while
> the sound remains
> the same - - - now I'm thinking though that the sound I am hearing is
> somehow just leaking
> through...
>
> I have "whacked in" (as ken says) 2 2n3904s as a temporary substitute for
> the lm394 - not
> sure if that could be part of the culprit.
>
> Any suggestions?
>
> john m
>
>
>
>
>
>
>
> The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>
>
> ------------------------------
> YAHOO! GROUPS LINKS
>
>
> - Visit your group "cgs_synth<http://groups.yahoo.com/group/cgs_synth>"
> on the web.
>
> - To unsubscribe from this group, send an email to:
> cgs_synth-unsubscribe@yahoogroups.com<cgs_synth-unsubscribe@yahoogroups.com?subject=Unsubscribe>
>
> - Your use of Yahoo! Groups is subject to the Yahoo! Terms of
> Service <http://docs.yahoo.com/info/terms/>.
>
>
> ------------------------------
>


[Non-text portions of this message have been removed]

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.