[Elecraft] K2 PLL Ref. Osc. Range Too Narrow
W3FPR - Don Wilhelm
w3fpr at earthlink.net
Sun Feb 20 08:47:37 EST 2005
Mike and all,
There is a note in the "What's New" section of the Elecraft Builder's
Resource webpage that says a PLL Range of 8.8 to 18 kHz range is OK. It
seems that information has not made it into the Errata pages yet, butr I
expcet it soon.
As I understand things, a narrow PLL range is better than a wide one - the
PLL reference will be more stable.
73,
Don W3FPR
> -----Original Message-----
>
> I'm building my first K2, purchased about two months ago, and I've hit
> a little bump during alignment and test (part 2).
>
> During the PLL Reference Oscillator Range Test I came up with too
> narrow a range (9.37 kHz somewhat below the 9.8 minimum)). My high
> freq. ref. during the test was 12099.95, and the low was 12090.58). I
> gather that my low point is not low enough. I did check the components
> listed in the trouble-shooting section (D16, D17, C84, C85. L31) and
> they are ok. I have also checked all soldering, and it looks fine.
>
>
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