vclfo3a
tomg
vco at mindspring.com
Tue Mar 2 10:26:23 CET 1999
----------
> From: jorgen.bergfors at idg.se
> To: vco at mindspring.com; synth-diy at mailhost.bpa.nl
> Subject: Re: vclfo3a
> Date: Tuesday, March 02, 1999 2:40 AM
>
> >>I'm looking for a good tri/square/saw VCLFO that has a fairly wide
sweep
> range, and yours
> >> looks like it might be the ticket.
>
> >The 600/700 version has a ultra high range but at lower freqs( >1hz )
the
> >tri pops a little not really very good for phase shifter or really
slooow
> >mod stuff. If you want something like that try this one, it has a very
> >even rise and fall. At minimum it takes 36secs to complete one cycle max
is
> >only about 20hz but that's more than enough for most mod applications.
>
> I have built a VCLFO. It is based on the ASM-1 VCO, with some changed
component values.
> It goes from 40 seconds cycle to 4 kHz. It has saw, pulse, triangle and
sine waves. It also has quadrature (90 degree shifted) versions of all
waveforms. It can be synced to note-on or any other gate signal. The
triangles and sines are good up to around 200 Hz but definitely don't pop
at low frequencies.
>
> /Jorgen
Maybe I'll be able to build one that good someday. If I keep trying real
hard and drink my milk maybe I'll get real smart. But until then I'll do
the best I can. Thanks for your help.
-tg (why do I bother anyway?....)
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