[sdiy] Peak Detector

[Roman]

here:
http://www.sowa.synth.net/m_pics/m_mixer.gif
is a mixer with clip circuit that blinks a led whenever output reaches
about 4V from supply rails. It uses one opamp, 2 transistors, and
other minor stuff. In this circuit the opamp came for free anyway.

Roman

----- Original Message ----- 
From: "David Reichert" <dreichert at sympatico.ca>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Friday, April 02, 2004 4:11 PM
Subject: [sdiy] Peak Detector


> 
> Hi everyone,
> 
> I was wanting to build a peak detector circuit to indicate when a signal
> goes above 5Vp-p. Just one of those single LED indicator types.
> 
> Seems to me the simplest thing to do would be to use a comparator which
> sets off a 555-timer monostable. 
> 
> Are there better ways of doing it or does anyone have a circuit handy
> for this?
> 
> Thanks,
> Dave
> 
>