[ARC5] T-22 Woes

WA5CAB at cs.com WA5CAB at cs.com
Tue Jun 11 17:18:49 EDT 2013


A likely culprit for this would be the two parasitic suppressors inside the 
plate tank coil.

In a message dated 06/11/2013 15:44:53 PM Central Daylight Time, 
kgordon2006 at frontier.com writes: 
> Mark: I still suspect that your plate voltage is "missing". Where did you 
> 
> measure this? If not directly at the tube plate connection, it still may 
> be 
> missing.
> 
> One thing that makes me suspect this is that your screen voltage is low, 
> which indicates excessive current draw, which usually only takes place 
> when 
> the plate voltage is missing.
> 
> It is certainly possible that the RF connection between the plates and the 
> 
> tuning network is also open, but that seems to be less likely.
> 
> Ken W7EKB
> 

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480


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