[Elecraft] CAL PLL and CAL FIL

[Dohn]

If you have the KDSP2 installed, can you still use the "N6KR method" to set
the reference?  I would think you would want it in Bypass.

Dohn  N8EWY

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Don Wilhelm
Sent: Monday, January 08, 2007 9:01 AM
To: benkb1ahr-elecraftlist at yahoo.com; elecraft at mailman.qth.net
Subject: RE: [Elecraft] CAL PLL and CAL FIL

Ben,

You can just do the CAL FIL alone.

In fact, you can do CAL PLL alone too.

Only one 'caution' - if you are to retain good dial calibration, be certain
the 4 MHz reference oscillator is set properly before doing either CAL FIL
or CAL PLL.  The best method of setting the reference is using the "N6KR
method" - see
http://www.elecraft.com/Apps/K2%20C22%20Adjust%20App%20Note.pdf for the
instructions if you do not already know the procedure.

You can do CAL FIL without setting the reference first, and your K2 will
sound great, and the filters will work fine - the dial calibration may be a
few more Hz off from what it should be, but that is the only 'bad' result.

73,
Don W3FPR

> -----Original Message-----
>
> I know the CAL PLL process requires a CAL FIL after it
> to make everything work correctly.  My question is if
> I want to re-do the CAL FIL, do I need to do a CAL PLL
> first?  I can't tell for sure from the manual, but it
> seems to me that I wouldn't need to.  I'm thinking I
> should probably at least let the rig warm up to
> operating temp before re-doing CAL FIL however.
>
> -Ben  K1NT
>
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