commonsound forum: Noise Swash => add LFo to NS, where to input

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add LFo to NS, where to input [message #2006]

Tue, 16 September 2008 18:00

spgjmf
Messages: 5
Registered: September 2008

Junior Member

hi all,
I am building a noise swash on my own pcb. I want to have the lfo mod, but am unclear where the lfo output would go in the circuit. The lfo mod seems to point to a spot on the 2nd opamp (tl072), but I no sure where it goes. Can some one point out where is go and reference the part numbers listed in the NS schematic PDF.

thanks,
Jeff

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Re: add LFo to NS, where to input [message #2008]

Fri, 19 September 2008 17:36

spgjmf
Messages: 5
Registered: September 2008

Junior Member

hi folks,
well after going thru the various doc on the NS, I think I figured out the point for the lfo input; pin 7 of the TL062 before C4( pcb v1.3).

Can anyone confirm this?

thanks,
Jeff

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Re: add LFo to NS, where to input [message #2010]

Mon, 22 September 2008 18:30

dann
Messages: 829
Registered: December 2002
Location: Austin TX

Senior Member

close, it goes on the other side of the 1uF cap that comes off of pin 7 of the TL062. So at the junction of C4/R8/C7

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Re: add LFo to NS, where to input [message #2012]

Mon, 22 September 2008 18:42

spgjmf
Messages: 5
Registered: September 2008

Junior Member

thanks Dann,
I'll see what happens now .... like the NS could get any crazier ...

Jeff

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