[sdiy] Dual Frequency Shifter update

[Tim Daugard]

From: <jhaible at debitel.net>
To: "dla.kwi Ensign Core" <dlakwi at shaw.ca>\


> (The whole thing is very unfinished - companders don't work well
> on fast transients, for instance). You heard the upshift/downshift

That's why I built a log amp - compresses the signal with no delay. Use the same type log
amp on the otherside in a feedback path and you get expansion. Together should be close to
a compander pair.


Tim Daugard
AG4GZ 30.4078N 86.6227W Alt: 12 feet above MSL
http://home.sprintmail.com/~daugard/synth.htm