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Cgs synth

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CGS35 CV input

CGS35 CV input

2014-04-30 by a150843860494e6535edad55d0c7983d

Hi, got the cgs35 all built up and working fine until I decided to add a cv input.

connected a mono 1/4" jack with hot to a CV pad and the other gronded to the input jack

tried injecting a couple of different types of voltage (4017 sequencer, LFO & expression pedal) and none of them changed the frequency. Also the signal became very erratic, sounded like the frequency was being swept by white noise, and the signal kept cutting out. After desoldering the jack the frequency pot works fine, sweeping normally.This isnt a deal breaker but I want to get this sorted out before I build the utility lfo.

Thanks

Liam

Re: CGS35 CV input

2014-04-30 by cg_synth

Did you ground it to the right side of the input jack? If you grounded it to the signal pin, behavior would have been weird! The fact the the normal frequency pot works indicates the filter itself is fine, because all the pot is doing is injecting a voltage into an identical input to the other CV pad.

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