What kind of a .01? I wouldnt use mylar or any film cap at HF. A pair of
.0047 ceramic discs is fine; Ive never smoked one of those even at a lot
more power than a 922..
Carl
KM1H
----- Original Message -----
From: "James Colville" <jimw7ry@gmail.com>
To: "Amplifier Reflector" <amps@contesting.com>
Sent: Sunday, February 14, 2010 10:06 PM
Subject: [Amps] TL-922
> I'm just finished adding QSK to a TL-922.
>
> I also put a .01 6kv at the base of the plate choke. I was tuning the amp
> on
> 20 meters and the cap blew up and shorted. Blew the fuses before it took
> out
> the 10 ohm 10 watt resistor I replaced the VHF choke with. BUT I also
> added
> a .01 6KV at the power supply side of the HV feed through. It survived.
>
>
> What do you think? A self resonate cap at 14 MHz?
>
> Suggestions?
>
> 73
> Jim W7RY
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