Any chance of a source for the op amps?  I called our local electronics parts 
dealer and he says he is not able to cross reference them.  Thanks.
   
  Mathew
  

[EMAIL PROTECTED] wrote:
          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

         

 
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