[AMRadio] Crystal Capacitive Loading

Jim Wilhite w5jo at brightok.net
Tue Sep 14 22:34:29 EDT 2004

Tom.  I can't speak for all crystal manufacturers but if you will 
just copy the schematic of the circuit where the crystal goes and 
send it to International Crystal, they will do all the calculations 
and produce the crystal you want.

If you need links to International or others let me know.

73  Jim
de W5JO

----- Original Message ----- 
From: "Tom Elmore" <tom at telmore.com>
To: <AMRadio at mailman.qth.net>
Sent: Tuesday, September 14, 2004 8:53 PM
Subject: [AMRadio] Crystal Capacitive Loading

>  I am trying to determine the crystal capacitive loading so I can 
> order a
> crystal from JAN for my Stancor 60P. I can't find any specs on 
> what it might
> be, has anyone tried measuring using an impedance bridge. I show 
> about 60pf
> but this is using 1kc as a reference and I want to put a 40 meter 
> crystal in
> there.
> Thank You
> Thomas Elmore KA1NVZ
> Anchorage, Alaska
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