[sdiy] super simple portamento / slide / glide / slew limiting circuit?

[David]

Nyle Steiner did it very simply. Look at this page at my web site. It's a
dual unit, but you only have to build one side of it.

http://www.xmission.com/~dingebre/SP_Volt_Fol_1.0.pdf

David

-- -----Original Message-----
-- From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
-- bounces at dropmix.xs4all.nl] On Behalf Of Scott Nordlund
-- Sent: Wednesday, July 13, 2011 10:28 AM
-- To: sines_list at scale.gs; synth-diy at dropmix.xs4all.nl
-- Subject: Re: [sdiy] super simple portamento / slide / glide / slew
limiting circuit?
-- 
-- 
-- > Trying to mod my Roland CMU-810 synth expander module for portamento /
slide /
-- glide / slew limiting over the CV input.
-- > [and maybe audio in]
-- >
-- > Anyone done this, or can suggest a proper portamento circuit that could
be used to add
-- to the input ..
-- >
-- > The electro-music post suggests it'd be as simple as 3 components: a
pot, a cap, and an
-- op-amp...
-- > http://electro-music.com/forum/post-149264.html
-- An RC circuit will give you an exponential portamento (constant time).
It's possibly more
-- of a "classic" sound, but it might be a little wonky sounding for longer
portamento times,
-- since it slows down and asymptotically approaches the destination pitch.
A proper slew
-- limiter (constant rate) might be better for general purpose use.
-- 
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