[Elecraft] Help... PLL Reference Osc. Range Test ...results way to wide.

[John, KI6WX]

Jerry;
As the designer of the temperature compensation circuit, I can say that your
range is not acceptable.  The high value should be around 12099 kHz and the
low value around 12085 kHz.  Make sure you didn't invert D16 and D17, or
install a 1SV149 at D16.  Either of these changes would greatly increase the
range.
-John
 KI6WX

----- Original Message ----- 
From: <K8RA@aol.com>
To: <elecraft@mailman.qth.net>
Sent: Wednesday, February 11, 2004 7:58 PM
Subject: [Elecraft] Help... PLL Reference Osc. Range Test ...results way to
wide.


> Things have gone perfectly until I did the PLL Reference Oscillator Range
> Test.  It is far too wide.  The Ref. High Frequency is 12088.8 Khz and the
Ref.
> Low Frequency is 12035.5.  Therefore, the difference is about 53 Khz and
it
> should be between 9.5 Khz and 15 Khz.  Elecraft said check RFC15... it is
fine.
>
> any thoughts?   thanks ahead of time....   Jerry  K8RA
>
>