Voice inversion scrambler tuning question

[klown]

How do I tune the circuit mentioned in this circuit? Using Invert.exe I can descramble the local sheriff at 1700 mhz. http://www.radioreference.com/modules.php?name=Forums&file=viewtopic&t=20984

 

[Al42]

How do I tune the circuit mentioned in this circuit?

With the 25k potentiometer connected to the LM567.

I can descramble the local sheriff at 1700 mhz.

I think you mean 1700 Hz.

 

[klown]

You are correct I was just about to edit my post when I saw your reply. Thanks for the info.