[Amps] Using autotuner in place of input network

Durwydd MacTara durwydd at hotmail.com
Fri Feb 13 15:29:24 EST 2004


Unfortunately, these "several reasons" were NOT posted in the reflector, 
leaving many of us with similar questions "out in the cold!"

  "Communications" is a People skill, the rest is technology.
             Durwydd MacTara

>From: Gudguyham at aol.com
>To: wrt at dslextreme.com, amps at contesting.com
>Subject: Re: [Amps] Using autotuner in place of input network
>Date: Thu, 12 Feb 2004 07:52:27 EST
>
>In a message dated 2/12/04 01:34:47 AM Eastern Standard Time,
>wrt at dslextreme.com writes:
>
>
> >
> > Many thanks to all who wrote.  There were several good reasons why this
> > is not a good idea.
> >
> > Back to the drawing board.
> >
> > Tnx again,
> >
> > --
> > 73, Bill W6WRT
> >
> >
>
>Hi Bill, I once used an MFJ 16010 mini-tuner in front of my Swan Mark 1
>amplifier as a tuned input.  When not in line the exciter (Yeasu FT-847) 
>would fold
>back in power to about 50 watts.  I would then insert the MFJ tuner in line
>and the radio would put full power into the amp and the amp made full 
>output
>power.  I could tune it on all bands using that little tuner.  
>Unfortunately I
>did not read any replies here on the board as to why the tuner in the radio
>would not work.  Some tuners would endlessly try to seek a "match" as the
>impedance changed with the drive power, that could be a reason.  But I can 
>assure you
>that the "fixed" MFJ tuner worked wonders in place of a tuned input 
>network.
>You might want to try something similar and see what happens.  73 Louie
>_______________________________________________
>Amps mailing list
>Amps at contesting.com
>http://lists.contesting.com/mailman/listinfo/amps

_________________________________________________________________
Let the advanced features & services of MSN Internet Software maximize your 
online time. http://click.atdmt.com/AVE/go/onm00200363ave/direct/01/



More information about the Amps mailing list