Re: Capacitor problems
In a message dated 96-05-17 00:38:53 EDT, you write:
>> > I visually checked the bypass caps (home made, rolled, not in oil) and
>> not see any burn marks, soot or damage. I checked them with the ohmeter
>> they look ok. I don't have any means to do a high voltage test on them.
>> I expect to get a call from Condenser Products today. I will let you
>> Ed Sonderman
>I have had a few such problems myself in the past, Ohmeters may be of
>little use. Capacitance meters also are of little value in this
>scenario. When it is a "puzzlement", you should isolate the the
>components individually in a separate working circuit or system at full
>You can blow a 3" hole through three levels of a rolled cap in oil and it
>will neve check shorted! The capacitance will be totally unaffected,
>too. Only once the real working voltage (RF only) is placed on the unit,
>will it fail.
>Richard Hull, TCBOR
If the testing by Condenser Products comes back as ok, I will set everything
up and carefully test all the components "under load".
Thanks, Ed Sonderman