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 9720 Osc A as a dedicated LFO 
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Joined: Sat Jul 30, 2011 5:46 am
Posts: 71
Post 9720 Osc A as a dedicated LFO
If I wanted to only use OSC A as an LFO and wanted to increase it's maximum cycle time from 1 minute a cycle to more. Would I just increase R29? That appears to be the resistor that gets added to the circuit when S2 is switched to LFO Mode. R29 is currently a 750 ohm resistor.

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James


Thu Jun 11, 2020 6:50 am
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Joined: Thu Sep 24, 2009 2:14 pm
Posts: 99
Post Re: 9720 Osc A as a dedicated LFO
Why not whip out the ol' soldering iron and just try it? Report back with ur results. Re-read the theory of operation in the manual. What component(s) determines the oscillators frequency? So? U like it s L o w? :-)


Fri Jun 12, 2020 10:31 am
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Joined: Thu Sep 24, 2009 2:14 pm
Posts: 99
Post Re: 9720 Osc A as a dedicated LFO
Hmmm..Theory of Operation doesn't mention R29 or S2.... :|

Try increasing the main charge capacitor: C11....that should make the ramp last for days!!

8-)


Wed Jun 24, 2020 4:57 pm
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