[Collins] WTB 1.5 or 1.8 crystal filter for the 75S-3B or C
Dr. Gerald N. Johnson
geraldj at storm.weather.net
Mon Jun 30 19:53:05 EDT 2008
On Mon, 2008-06-30 at 13:55 -0700, Dutch Maurer WB7DYW wrote:
> I am looking for a 1.5 or 1.8 crystal filter for the 75S-3 B or C
>
>
> 73's Dutch WB7DYW
>
Only the 200 Hz filter was crystal, all the other bandwidths were
mechanical filters.
And Y type filters that wired into earlier receivers with stiff wire
leads added to the ends will plug into the 3B/C.
--
73, Jerry, K0CQ, Technical Advisor to the CRA
All content copyright Dr. Gerald N. Johnson, electrical engineer
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