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" <[EMAIL PROTECTED]>
To: <[email protected]>
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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