[sdiy] Fast envelope follower circuit needed..

[Tim Parkhurst]

I'm pretty sure a digital envelope follower won't sound as fat as an
analog one. And if it's surface mount, forget it. It will never have
that pleasing ninth-harmonic distortion that makes it 'sit it the mix'
just right.

On the other hand, if you're looking for inspiration from an
interesting circuit design, you might try this one from our very own
Harry Bissell
http://www.edn.com/design/analog/4344656/Envelope-follower-combines-fast-response-low-ripple

This one uses three peak detector circuits with slightly different
time constants. Could be useful, even just as inspiration for a
digital method.

Tim (sits in the mix to add more bottom end) Servo
---
"Sire, the church of God is an anvil that has worn out many hammers."
- H.L. Hastings


On Thu, Mar 28, 2013 at 5:44 AM, Jean-Pierre Desrochers
<jpdesroc at oricom.ca> wrote:
> Hi List,
> I'm sure this has been already discussed in the past
> but I'm looking for a fast envelope follower circuit
> schematic to rectify an incoming +/-2.5v AC waveform
> to a rectified 0-5v wave.. The wave frequency could
> go as low as 1 hz and sometimes will not be symetrical.
> Any circuits welcomed !
> JP
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