[Collins] 75S-3B CW Filters

Dr. Gerald N. Johnson, electrical engineer [email protected]
Fri, 12 Sep 2003 13:11:50 -0500


Or there's the 200 Hz crystal filter that also plugs in, but eliminates
the hold down or shield over the mechanical filters.

73, Jerry, K0CQ, Technical Advisor to the CRA
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Reproduction by permission only.