Look back in the archives. This has been discussed at length. The LDG tuner
is an L network and does not supply any capacitance at the cathode which is
needed to reduce IM.
73
Gary K4FMX
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> Behalf Of R. Kevin Stover
> Sent: Saturday, August 28, 2010 10:39 AM
> To: jeff millar
> Cc: Amps@contesting.com
> Subject: Re: [Amps] Using automatic tuner for Amp input
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> K8RA built one with the 3CX1500D7 that uses the LDG tuner for the input.
> 2006 handbook.
>
> On 8/28/2010 10:31 AM, jeff millar wrote:
> > What do people think of the amplifier by Bill W4NFR shown in the latest
> QEX? It
> > uses an LDG tuner on the amplifier input instead of a set of
> filter/matching
> > networks for each band. It seems like an innovative design.
> >
> > jeff, wa1hco
> > _______________________________________________
> > Amps mailing list
> > Amps@contesting.com
> > http://lists.contesting.com/mailman/listinfo/amps
> >
>
> - --
> R. Kevin Stover
>
> ACØH
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