[Elecraft] K2 C111 installed backwards

Alexandra Carter alexandracarter at sbcglobal.net
Sat Feb 4 18:02:46 EST 2006


Sounds like *someone* hasn't gone through that formative experience in 
electronics .... installing an electrolytic cap backwards and turning 
on the juice. It can be very entertaining, if a bit smelly, at times! 
73 de Alex nS6y

On Feb 4, 2006, at 2:24 PM, Don Wilhelm wrote:

> Craig,
>
> C111 is an electrolytic capacitor, and if subjected to reverse voltage 
> it
> can overheat and rupture.  Since it only has voltage on it during 
> transmit
> periods, it may take some time, but yes, change it before it explodes 
> on
> you.
> True the 8T signal is not used for any of the options, but it IS used
> internally in the K2, so it does have voltage on it (only during 
> transmit,
> but still ...).
>
> 73,
> Don W3FPR



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