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Article #15962

How to calculate crystal freq for scanner?

#15962
From: Jim "Throw it over the wall" Was...
Date: Sat, 02 Jan 1993 20:09
8 lines
860 bytes
I have a radio shack Pro-24 crystal controlled scanner..... (yep, poor me).
It uses a 10.7MHz IF, and says to use third overtone crystals...

So, am I correct in  calculating the crystal fundamental as:

F(fund)*3 + 10.7MHz == Receive Freq?

 - jim washer@sequent.com
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Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!howland.reston.ans.net!wupost!sdd.hp.com!network.ucsd.edu!ogicse!sequent!muncher.sequent.com!washer

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Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!howland.reston.ans.net!wupost!sdd.hp.com!network.ucsd.edu!ogicse!sequent!muncher.sequent.com!washer
From: washer@sequent.com (Jim "Throw it over the wall" Washer)
Newsgroups: sci.electronics,alt.radio.scanner,rec.radio.amateur.misc
Subject: How to calculate crystal freq for scanner?
Message-ID: <1993Jan2.200922.19977@sequent.com>
Date: 2 Jan 93 20:09:22 GMT
Article-I.D.: sequent.1993Jan2.200922.19977
Sender: usenet@sequent.com (usenet )
Organization: Sequent Computer Systems, Inc.
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