[Elecraft] K2 PLL Ref. Oscillator Range Test Problem.

Jimithy66 jimithy66 at gmail.com
Wed May 22 19:59:48 EDT 2019


Thanks for your help Don and your suggestion on the mods. I had made the
crystal and toroid mods but didn't think of the other components in the mod
kits.

Jim / W1FMR

On Wed, May 22, 2019, 8:47 AM Don Wilhelm <donwilh at embarqmail.com> wrote:

> Jim,
>
> It is likely to work OK even with the reduced PLL range.
> If you want to correct it and gain some temperature stability for your
> K2 at the same time, add the BFO upgrade modification - get BFOMDKT from
> Elecraft.
>
> That kit contains a new PLL crystal as well as parts for the BFO.
>
> You can see older posts at Nabble.
>
> 73,
> Don W3FPR
>
> On 5/22/2019 12:25 AM, Jimithy66 wrote:
> > I am building an older QRP K2 kit ser. # 2438 Ver. A in
> > the Alignment and test section Part 11.  pg. 57,  the
> > PLL Ref. Oscillator Range  Test is out of limits.
> >
> > The Reference High and Low frequencies are OK with
> >   readings (12100.53 high and 12089.43 low) with  range
> >   limits of 11.5 - 25  KHz but it is low, 11.1 KHz.
> > Is this a problem ?
> >
>


More information about the Elecraft mailing list