[time-nuts] WWVB remodulator for the Spectracom 8170...

Hal Murray hmurray at megapathdsl.net
Wed Jun 19 06:28:49 UTC 2013


biwa at att.net said:
> The other day when I ordered my crystals I had a choice  of  60 kHz, 60.002
> kHz, 60.005 kHz and 60.000 kHz.  The 60.002 and  60.005 were only available
> in Hugh quantity purchases.  The 60.000  kHz was a little more expensive but
> I bought 10 of the little buggers  anyway.  I'll see how close they are when
> I build the  remodulator. 

I don't know about that type of crystal, but the normal ones (MHz range) are 
cut to resonate with a specific capacitive load.  They will be off slightly 
if you have an incorrect load, either accidentally or deliberately.




-- 
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