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[AMPS] Re:(AMPS) sb-200 troubles

To: <amps@contesting.com>
Subject: [AMPS] Re:(AMPS) sb-200 troubles
From: measures@vcnet.com (Rich Measures)
Date: Wed, 11 Aug 1999 13:15:35 -0700


>
>
>>
>>the rf safety choke is there for a definite safety reason---to blow
>from the
>>dc supply gitting thru the plate blocking cap--check it--bet it
>shorted.
>>new call w5set.
>>73 de KB5VCA    Steve & Darlene
>
>
>When the plate blocking cap fails, this puts the HV across the antenna
>terminal.   The purpose of the safety RF choke is to trip the primary CB's or 
fuses to
>remove the HV from there WITHOUT destroying itself. If it is not robust enough
>to take the "hit" and fails open, the lethal HV is STILL on your
>antenna!
>(Not good!)
>
With an ordinary Load C, this is not going to happen. 

-
-  Rich...
R. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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