Filters

Ed Richards k6uuz at JUNO.COM
Wed Feb 24 11:55:33 EST 1999


 Hi all; ME again.
I received several responses to my earlier post re. IF filters for The
SB-300 / 301 receivers. It is generally agreed that they are different
physically; but are they interchangeable electrically?
I have before me a 404-202 CW filter from a SB-300, and a 404-284 CW
filter from a SB-301. They are spec'ed identical. cf = 3395.4,  Z in-out
= 2K,  400 Hz @ 6db, 2kc @ 60db. I think if you can adapt one physically
they should interchange electrically. For testing I just put it in a
receiver and try it. Regards,
Ed Richards

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