[Elecraft] Frequency Reference (was: Mini Modules)

Fri Oct 17 11:34:00 2003

John,
Please share your design with the "group" once it matures.  In addition to 
the W8DIZ design, I'm aware of this one:
        http://www.aade.com/freqstd/freqstd.html
tnx,
Steve
aa8af

"John A. Magliacane" <[email protected]>
Sent by: [email protected]
10/15/2003 07:22 PM

        To:     [email protected]
        cc: 
        Subject:        Re: [Elecraft] Mini Modules

--- Mike Harris <[email protected]> wrote:
> G'day,
> 
> Whilst not an Elecraft kit, I've just been reading in the GQRP magazine
> "Sprat" about the W8DIZ Frequency Reference Kit.  A 20MHz TXCO with 
buffered
> outputs of 10MHz, 5MHz and 2.5MHz. Fine tune control to net with e.g. 
WWV.

Very interesting!  I am currently working on a similar calibration
oscillator that will be locked in frequency and phase with WWVB's
carrier at 60 kHz.  The same concept should work with MSF and JJY
on 40 and 60 kHz as well.

It starts with a crystal oscillator at 10 MHz that is subsequently
divided down to 1 MHz, 100 kHz, 50 kHz, 25 kHz, and 10 kHz, providing
a slew of frequency standards and marker signals for the shack.

I hope to have it completed in about a month.  Its first application
will be to accurately calibrate my K2's frequency display. :-)

73, de John, KD2BD

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