Hi again Joe, As I read it, it's a 100 kHz 10 Hz BW filter. Very narrow.
Cheers, Magnus On 03/06/2016 08:31 PM, Joseph Gray wrote:
Assuming I made the pictures small enough, attached are two images of an very old crystal filter that a friend found. The strange thing about it is the bandwidth - 100 Hz. What could this have been used for, with such a narrow bandwidth? Joe Gray W5JG _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
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