Hi Barry --
I just happened to come across the 1995 November issue of "QEX" while
unpacking a box of stuff from my move today. On pages 3
through 11 is an article by Ed Wetherhold W3NQN describing the design,
construction and adjustment of a bandstop filter for the AM
band to kill a nearby AM broadcast station of 1480 kHz. A table of standard
component values to use for broadcast frequencies
throughout the AM band is provided. The rejection on the design frequency is
more than 60 dB.
This appears to be exactly what you need.
-- Eric K3NA
-----Original Message-----
From: topband-admin@contesting.com
[mailto:topband-admin@contesting.com]On Behalf Of Barry N1EU
Sent: 2003 January 13 Mon 14:18
To: topband@contesting.com
Subject: Topband: BCB Trap Filter
I'd appreciate any construction tips for a BCB trap filter - I've got a
station on 1460Khz about 3 miles to the NE that is causing problems with my
receivers. It's too high up in the BCB to allow success with the usual BCB
high pass filters.
Thanks & 73,
Barry N1EU
_________________________________________________________________
MSN 8: advanced junk mail protection and 2 months FREE*.
http://join.msn.com/?page=features/junkmail
_______________________________________________
Topband mailing list
Topband@contesting.com
http://lists.contesting.com/mailman/listinfo/topband
|