Re: [TenTec] Mystery Filter

["Michael Melland" <w9wis@charter.net>]

Hi Barry,

That's a #216  500 Hz filter, the special RTTY filter with the passband
shifted up to mark/space.  Here are the spec's :

Center freq:              9.002210
-6dB bandwidth:       500
Shape fact:                2.75:1
Insertion loss:, Nom.: 8.0 dB
Ultimate rejection:      90+ dB
Z in/Z out:                  200 Ohms
Poles:                         6
Stock Code:               48161
Regards,

Mike
--
Michael Melland, W9WIS
Winneconne, Wisconsin USA EN54pc
qrp-l #1656 - qrparci # 9875 - iparc #252
ars #1075  -  http://webpages.charter.net/w9wis/