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[Amps] instability issue

To: <amps@contesting.com>
Subject: [Amps] instability issue
From: "Jim Thomson" <jim.thom@telus.net>
Date: Wed, 27 Mar 2013 09:16:41 -0700
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Date: Wed, 27 Mar 2013 11:18:11 -0400
From: "Carl" <km1h@jeremy.mv.com>
To: "N1BUG" <paul@n1bug.com>, <n8de@thepoint.net>
Cc: '' amps '' <amps@contesting.com>
Subject: Re: [Amps] instability issue

Did it ever work well on 12M? If not or not tested Id also suspect the plate 
choke and hope the big Ameritron fits.

As far as the LF oscillation I hope the bias is not fed thru a RFC as these 
tend to turn the tube into a TNT ocillator. I also suspect the antenna choke 
is open as that would likely be self resonant down there.

Carl
KM1H

##  U mean the safety choke that is in parallel with the load cap, correct ?  
Typ 
2.5 mh. 

Jim   VE7RF


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