[TMC] Pal 1k amp tune and load setting chart

[Gary Schafer]

Ok, I am attaching it to this reply. I am sending it directly to you and to
the list so we will see if it comes thru on the list too.

73
Gary  K4FMX

> -----Original Message-----
> From: Duncan M. Brown [mailto:duncanancy at earthlink.net]
> Sent: Saturday, February 07, 2009 7:15 PM
> To: Gary Schafer; tmc at mailman.qth.net
> Subject: RE: [TMC] Pal 1k amp tune and load setting chart
> 
> Gary,
> 
> I would like a copy of your tuning chart.
> 
> I think Mailman.qth.net allows attachments now (I sent out some pictures
> of
> our TMC station last week).
> 
> So try attaching it to message to the TMC list.
> 
> Thanks,
> 
>   Duncan, K2OEQ
> 
> 
> > [Original Message]
> > From: Gary Schafer <garyschafer at comcast.net>
> > To: <tmc at mailman.qth.net>
> > Date: 07-Feb-09 18:48:24
> > Subject: [TMC] Pal 1k amp tune and load setting chart
> >
> > I have an excel spread sheet that I just did to determine the
> approximate
> > tune and load settings for the pal 1k amp on each ham band.
> >
> > I put a 1.8k resistor from plate to ground and hooked up the MFJ 259B to
> the
> > antenna output and found where the amp provides 50 ohm 1:1 match.
> > These settings will get you started with tune up if you don't already
> have
> > some settings. Some bands are kind of difficult to find without knowing
> > where to start.
> >
> > On some bands I also used the adjacent band. Like 80 meters I used the
> 3-4
> > band and also the 4-6 band. Try each and see which works best.
> >
> > On 160 meters I used 1.86 MHz as that is about all the plate tune cap
> will
> > do. It won't go much lower in frequency than that without adding a
> padder
> > cap or more tank coil.
> >
> > If anyone would like a copy email me and I will send it along or if
> there
> is
> > a place to post it that is accessible that would be good.
> >
> > 73
> > Gary  K4FMX
> >
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