[AMPS] SB-220 TUNE Cap Arcing

Rich Measures measures@vc.net
Sat, 10 Oct 98 08:18:27 -0800


>> If the Tune-C looks ok, and intermittent arcing is taking place, 
>>my guess is that the amplifier is intermittently oscillating c. 110MHz.
>
>Rich,
>
>He tells me the cap is OK.  I suggested he measure his supressor 
>resistors which he hadn't done.  

yes, I read it.  

>My guess is they are blown.  

perhaps.  Increased R is more likely. 

>He's going to tell me wether or not they are.  It's just another feather in your cap 

€ nice pun, Jon.  congrats

>on your theory!
>
F. E. Handy wrote about it in 1926 
.  (Radio Amateur's Handbook).  
G. W. Fyler wrote about it in Sept. 1935 
.  (IRE Proceedings)   
H. F Dittrich wrote about it in the 50s. 
 .  (*Tubes for R. F. Heating*)

I am but a Richy come lately.  

-  later, Jon


Rich. Measures.  Web site:  www.vcnet.com/measures


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