[AMRadio] Collins 32V1


Brett Gazdzinski Brett.Gazdzinski at verizon.net
Thu Aug 5 21:21:42 EDT 2010


What drops off, high voltage, drive, or just plate current?

If its just the plate current, check the screen voltage on the final.
Could also be a gassy final tube.

Brett

----- Original Message ----- 
From: "Mark & Paula" <kc5ygc at hotmail.com>
To: <AMRadio at mailman.qth.net>
Sent: Monday, August 02, 2010 11:20 AM
Subject: [AMRadio] Collins 32V1


> Thanks for the help with the hot microphone problem resolved. Now I have a 
> transmit problem it will tune up and transmit then falls off, wait 5 
> minutes or so it will go back to transmitting and then loose carrier 
> again.
> I have it mounted in a rack enclosure and the side panel near the final 
> gets pretty hot. I placed a muffin fan near it thinking this may help no 
> such luck I don't think it's the heat now any ideas? thanks
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