[sdiy] MS-20 LFO in Audio?
Scott Gravenhorst
music.maker at gte.net
Tue Apr 29 20:34:06 CEST 2008
Andre Majorel <aym-htnys at teaser.fr> wrote:
>On 2008-04-29 11:41 -0400, J P wrote:
>
>> I'm trying to build a really neat-0 ring modulator modulation
>> source. I remember Tom Gamble over at EFM used to have a
>> schematic for an MS-20 LFO... I recall it going into audio
>> range (which, unless this is a really unique and interesting
>> oscillator, I assume would just be a matter of smallering down
>> the timing cap)... Anyhow. Can someone point me to an MS-20
>> LFO schematic?
>>
>> Also, are there any simplifications or refinements people like
>> to perform on these LFOs?
>
>The Oakley Little-LFO is based on the MS-20 LFO. Improvements
>include current components (DG403, TL072) and sync input. You may
>have to buy the PCB to get the schematics but it's just 9 GBP.
>
> http://www.oakleysound.com/lfo.htm
>
I know that I'm a heretic, but when I looked at it, I thought that it might be
done in CMOS with 4069UB and 4007UB parts... (c:
-- ScottG
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-- Scott Gravenhorst
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