[Amps] Boat Anchor

Steve Katz stevek@jmr.com
Fri, 23 Aug 2002 13:23:59 -0700


The autotuner in series with the amp input makes sense, and is what most
people do if they haven't added a bandswitching tuned input circuit.  Is
there some cathode biasing in there somewhere?

"If everything seems under control, you're just not going fast enough." -
Mario Andretti

> -----Original Message-----
> From:	Joseph DiPietro [SMTP:n2uf@joeham.net]
> Sent:	Friday, August 23, 2002 1:22 PM
> To:	amps@contesting.com
> Subject:	Re: [Amps] Boat Anchor
> 
> The wire is in the process of being replaced--which is why it is dangling.
> 
> Tuned input?  OK, what if I left my AT-150 auto-antenna tuner between the
> HF
> rig and the input to the amp?
> 
> Joe
> 
> ----- Original Message -----
> From: "Pete Smith" <n4zr@contesting.com>
> To: "Joseph DiPietro" <n2uf@joeham.net>
> Sent: Friday, August 23, 2002 4:10 PM
> Subject: Re: [Amps] Boat Anchor
> 
> 
> > At 03:50 PM 8/23/02 -0400, you wrote:
> > >Pictures of the boat anchor are at http://www.rfengineers.com/n2uf/
> > >there are two of each shot, one 'thumbnail' and one full-size.
> > >
> >
> > Joe, the thing that jumped at me in the pictures, aside from the
> dangling
> > wire in the underchassis view, was the absence of any input tuned
> > circuitry.  This is generally held to be bad news for solid-state
> > transceivers, which tend to see very odd SWRs and shut themselves down,
> or
> > produce bad IM distortion, or both.
> >
> > 73, Pete N4ZR
> > Sometimes a tower is just a tower
> >
> >
> >
> >
> >
> 
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