At 11/28/2006 14:52, you wrote: >Bob, I am not all that familiar with op amp's. Do you have a diagram of >something I can try to see if it works. The 1.5 KHz might be enough >allowing the controller to maintain the rest, won't know until it is all >hooked up and running. But in my thinking, 3.0 Khz would be much better, >especially for those of us that are soft spoken. > >Mathew
I cut the attached out from my Portapeater keying & audio circuit; give it a try. The op amp can be just about any 8-pin dual op amp package. I prefer the TLV2372 or LMC6482. Bob NO6B
Image2.png
Description: PNG image
