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Cgs synth

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Re: CMOS FILTER CGS49

2013-01-01 by robert

I posted two pictures in the album called CMOS, If they are not big enough let me know if I can e-mail them to you.

THanks, Robert


--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>
> >Yes its the CD UB variant, Is there an easy way to test the LM3080? I got
> mine from LB designs, I cant imagine they are all bad?
>
> I'm just looking for something wrong in both sections.
>
> >What should the voltages be on the LM3080 typically be? Pin 5 is at -5 and
> turning the freq pot all the way it only drops to like -4.9?
>
> Pin 5 is tied via an internal diode to the negative power pin. It won't
> move, voltage wise. It is the current through it that controls it.
>
> Take a couple of high-res photos of the thing - above and below.
>
> Ken
> _______________________________________________________________________
> Ken Stone sasami@... otherunicorn@...
> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>

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