[SignalOne] 8072 and driver damage

[Ed Tanton]

Hi John... I just ordered the 2001 QEX CD from ARRL... will be happy to 
forward the PDFs/JPGs/etc..

At 01:11 PM 2002-11-11, you wrote:
>On 11 Nov 2002 at 17:53, Mark, K5AM wrote:
>
> >
> > At 17:08 2002-11-09,
> > W2AGN <w2agn@w2agn.net> wrote:
> > >Bad news :-(  I have no drive. Someone suggested the arcing might blow
> > >the driver transistor, and I guess it did.
> >
> > ------
> >
> > The driver and 8072 circuit shown in
> >
> > HF Circuits for a Homebrew Transceiver,
> > QEX, Nov/Dec, 2001, 20-42.
> >
> > prevents driver damage from PA faults. This simple
> > two-component protection can easily be added
> > to a CX7.
> >
>Thanks, Dave. Will see about that. Kind of closing the barn door after
>the horse gets out, though..,..
>
>---
>+-++-++-++-++-+   John L. Sielke
>|W||2||A||G||N|        http://www.w2agn.net [UPDATED]
>+-++-++-++-++-+    Ex-K3HLU,TF2WKT,W7JEF,W4MPC,N4JS
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73 Ed Tanton N4XY <n4xy@earthlink.net>

Ed Tanton N4XY
189 Pioneer Trail
Marietta, GA 30068-3466

website: http://www.n4xy.com

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