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Cgs synth

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

Message

Re: CMOS FILTER CGS49

2013-01-02 by sasami@hotkey.net.au

The only remaining think I can think of is for you to send it to me.

Ken

>
>I put in 10 links (jumpers) Five in each filter.
>Hope I didn't miss some.
>
>Robert
>
>--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>>
>> I can't see anything wrong in what you have uploaded. Have you got all the
>> links in at the other end of the board?
>>
>> Ken
>>
>> >
>> >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/>
>> >>
>> >
>> >
>> >
>> >
>> >------------------------------------
>> >
>> >The CGS Modular Synth home page: http://www.cgs.synth.net/
>> >Yahoo! Groups Links
>> >
>> >
>> >
>> >
>> _______________________________________________________________________
>> Ken Stone sasami@... otherunicorn@...
>> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
>> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>>
>
>
>
>
>------------------------------------
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>Yahoo! Groups Links
>
>
>
>
_______________________________________________________________________
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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