[sdiy] portamento on a Roland CMU-810..?

[Doug Terrebonne]

Is the VCO in the CMU810 a CEM3340 like the 202 and 101?

Doug 
synthparts.com

On Jan 26, 2011, at 6:17 AM, Harry Bissell <harrybissell at wowway.com> wrote:

> If the CV in drives a VCO, slewing CV should make portamento. Possibly the CV is only
> sampled when the gate goes high (not likely imho) then portamento would not be possible.
> Need a schematic or manual to say for sure...
> 
> H^) harry
> 
> 
> ----- Original Message -----
> From: Todd Sines <sines_list at scale.gs>
> To: analogue heaven <analogue at hyperreal.org>
> Cc: Synth DIY <synth-diy at dropmix.xs4all.nl>
> Sent: Tue, 25 Jan 2011 00:14:32 -0500 (EST)
> Subject: [sdiy] portamento on a Roland CMU-810..?
> 
> this is what it is if you are not familiar.
> http://matrixsynth.blogspot.com/2007/04/roland-cmu-810.html
> 
> I'm guessing this is impossible.. but .. anyone? Or, could a lag circuit for incoming CV's slew the incoming CV to provide portamento? your thoughts?
> 
> Google tells me it's not possible.. but I don't really [want] to believe that...
> 
> 
> +odd
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> -- 
> Harry Bissell & Nora Abdullah 4eva
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