[Elecraft] K2 Frequent Frier Club

[Jferg977 at aol.com]

the "Kick" discussions responding to my question about why caps would  fail 
in the low-band filter relay firing circuits on my K2/KPA100 have been very  
interesting.  
 
That there could be such a kick was not a surprise to me so much as that it  
could be so enthusiastic.  Don Wilhelm reports that the "relay driver" in  the 
kpa100 has such diodes.  Where? inside the relay enclosure?  It  doesn't seem 
like shunting off this higher voltage  in the octal  driver would work more 
than once.
 
Suppose the diode is in the relay. Because some of these diodes may  have 
failed due to the excitement of past  ESD events, how would I  check to see which 
ones were ok?  Would the Diode checker on my fluke check  a circuit which had 
both a coil and a diode - I;m assuming they would be  parallel.
 
Or is this whole line of reasoning nuts? Should I go back to idea of  
stocking up on 100 volt caps and replacing all of them the next time one  fails?
 
73   AI4TO  John Ferguson M/V   Arcadian
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