[sdiy] National LM139 VCO

[peff 2cv]

Yeah, I use the LM324 variation as an LFO and it works quite nicely. I also 
added a Thomas Henry sine shaper to it and have quite a dandy 
sine/tri/square LFO...

Peff

>From: "Tim Johnson" <ifixaudio at hotmail.com>
>To: synth-diy at dropmix.xs4all.nl
>Subject: [sdiy] National LM139 VCO
>Date: Thu, 07 Oct 2004 16:55:51 -0400
>
>Hello Group,
>Has anyone seen the VCO application using the National LM139.
>I ran across it on page 13 of the datasheet and was wondering if the guru's 
>here had any thoughts about the use of the circuit style in general as a 
>synth VCO.
>
>http://www.national.com/ds/LM/LM139.pdf
>
>Thanks
>
>Jim
>
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