[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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