[Elecraft] K2 #2740 13 Khz Off Frequency

Fri Aug 16 23:43:01 2002

Hi Jim;

Mine was also off.  I did a spectrogram and the PLL calibration and now it's
much better.
This is what worked for me and hopefully for you as well.

Cheers,
Robert
VE3RPF
----- Original Message -----
From: "Jim W7RY" <[email protected]>
To: <[email protected]>; <[email protected]>
Sent: Friday, August 16, 2002 11:21 PM
Subject: Re: [Elecraft] K2 #2740 13 Khz Off Frequency

> Checked it twice....
>
> Everything is great....according to the manual.
>
> Thanks
> 73
> Jim W7RY
>
> ----- Original Message -----
> From: "Charles Bland" <[email protected]>
> To: "Jim W7RY" <[email protected]>; <[email protected]>
> Sent: Friday, August 16, 2002 8:07 PM
> Subject: Re: [Elecraft] K2 #2740 13 Khz Off Frequency
>
>
> > I'd go back and repeat the first alignment and test sections. Make
> > sure the osc is lined-up, etc.
> >
> > Chuck
> >
> > Note Jim W7RY's stunning brilliance and Chuck's apt reply (gack!)
> >
> > Send reply to:  "Jim W7RY" <[email protected]>
> > From:           "Jim W7RY" <[email protected]>
> > To:             <[email protected]>
> > Subject:        [Elecraft] K2 #2740 13 Khz Off Frequency
> > Date sent:      Fri, 16 Aug 2002 19:21:37 -0700
> >
> > > Well... I have # 2740 running as a 40 meter receiver... But, it
receives
> > > exactly 13Khz off frequency (VFO reads high).
> > >
> > > There is another peculiar thing.... at 11.5 KHz above the injected
> > > frequency, there is a "birdie". The birdie moves much faster than the
> > > fundamental at +13 KHz above.
> > >
> > > I have verified that all of the crystals AS SUPPLIED are installed in
> the
> > > correct locations...
> > >
> > > I have also verified that the 4.00 MHz reference is within 1 or 2 Hz.
> > >
> > > All of the checks and alignments that are shown in "Alignment and Test
> Part
> > > II" starting on page 57 are correct and line up perfectly.
> > >
> > > The parts list spells out  X1 and X2 to be a 12.069 MHz. My kit
> contained
> > > crystals that are marked  12.09-S.
> > > In addition, X5 through X11 are marked 4.9136-S.
> > >
> > >
> > > The receiver works great! Very sensitive.
> > > The signal I am injecting is at a level of -105dBm. (Not overloading
the
> > > receiver).
> > >
> > > Any ideas ?
> > >
> > > Thanks and 73
> > > Jim W7RY
> > >
> > >
> > >
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> >
> >
> >
>
>
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