[SignalOne] 8072 and driver damage

Mon, 11 Nov 2002 13:50:31 -0800

Hi - I would appreciate a copy.
Thanks,
John Kenney, W7COI

----- Original Message -----
From: "Ed Tanton" <[email protected]>
To: <[email protected]>
Sent: Monday, November 11, 2002 11:11 AM
Subject: Re: [SignalOne] 8072 and driver damage

> 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 <[email protected]> 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
> >_______________________________________________
> >SignalOne mailing list
> >[email protected]
> >http://mailman.qth.net/mailman/listinfo/signalone
>
> 73 Ed Tanton N4XY <[email protected]>
>
> Ed Tanton N4XY
> 189 Pioneer Trail
> Marietta, GA 30068-3466
>
> website: http://www.n4xy.com
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