[AMPS] Can't get rid of the boom,boom,boom...

[Steve Iezzi]

> A word of caution on Harbach suppressors.  If the suppressor for a 922 is
> short on L - the VHF Q of the suppressor may not be low enough to prevent
> intermittent oscillation at c. 120MHz.  .  A VHF suppressor that runs
> cool at 28MHz is unlikely to be very lossy at VHF.

I just installed Harbach suppressors in a 922.  The original was 2 1/2 turns
in parallel with 24 ohms.  Al's suppressor consists of 5 turns of nichrome
and two 100 ohm 3 watt Matsushita resistors.  They do run a little warm at
28 MHz.

Steve KT4FY


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