[SignalOne] 8072 and driver damage
Ed Tanton
[email protected]
Mon, 11 Nov 2002 17:53:03 -0500
Sure John... it may take a week or so to get the CD... and assuming nobody
from the ARRL jumps on me for offering copies... I had actually meant that
to be a private message to John-to avoid such problems from
copyright-minded folks... but so far, no threats, etc. [grin].
At 04:50 PM 2002-11-11, you wrote:
>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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> > LM: ARRL QCWA AMSAT & INDEXA;
> > SEDXC NCDXA GACW QRP-ARCI
> > OK-QRP QRP-L #758 K2 (FT) #00057
> >
> >
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>
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73 Ed Tanton N4XY <[email protected]>
Ed Tanton N4XY
189 Pioneer Trail
Marietta, GA 30068-3466
website: http://www.n4xy.com
All emails <IN> & <OUT> checked by
Norton AntiVirus with AutoProtect
LM: ARRL QCWA AMSAT & INDEXA;
SEDXC NCDXA GACW QRP-ARCI
OK-QRP QRP-L #758 K2 (FT) #00057