Cgs synth

>But I'm interested in your RM output circuit with the TL072. Could you
>e-mail it to me? Thaks a lot for your help!

Look at the stomp-box converters. The TL072 amps are shown in them.

Ken

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>Cheers Luke
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>--- In cgs_synth@yahoogroups.com, "Charles Osthelder" <osthelder@...>
>wrote:
>>
>> Hi Luke!
>>
>> The parts for the ring mod are in the archives of this list. The
>> best transformers have a around 10K primary impedance and 2K
>> secondary. The DC resistance is about 600 ohms and 160ohms
>> respectively. Mouser has two transformers that work quite well. The
>> larger is part # 42TM002 and the smaller (nice for pcb mounting) is
>> part # 42XL002.
>>
>> The Ge diodes are a little harder to find, but I'd be happy to match
>> a set for you free of charge. Just send me a mailing address and
>> I'll get them out to you.
>>
>> It seemed a good idea to add a makeup amp and buffer to the output of
>> the RM circuit. Mine uses a TL072. The non-inverting amp has a gain
>> of 2 (or so...) and the output of the buffer connects to the output
>> through a 1K resistor for short protection.
>>
>> Chub
>>
>> --- In cgs_synth@yahoogroups.com, "poketo77" <poketo77@h...> wrote:
>> >
>> > Hi anyone
>> > Recently I found Ken's page about his Modular synth. It's a great
>> page!
>> > So now I've a question about the real Ringmodulator:
>> >
>> > Somehow I couldn't find some rigt transformers.
>> > What type of transformers are used in the Ringmodulator? It would
>> be
>> > nice if you could tell me the ... as well.
>> > Could you give me a suggestion about the Ge-Diodes? I read
>> somwhere,
>> > that usually Shottky-Diodes (I don't know if they are caled so in
>> > English) were used for ringmods.
>> >
>> > I hope you understand what I'm writing... English isn't my mother-
>> > tongue...
>> >
>> > Thanks for your help!
>> >
>> > Cheers Luke
>> >
>>
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>The CGS Modular Synth home page: http://www.cgs.synth.net/
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>Yahoo! Groups Links
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_______________________________________________________________________
Ken Stone sasami@... or sasami@...
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>