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Total 6 documents matching your query.

1. Topband: BCB Trap Filter (score: 1): Author: n1eu@hotmail.com (Barry N1EU); Date: Mon, 13 Jan 2003 14:17:53 -0500; 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 suc; /archives//html/Topband/2003-01/msg00070.html (7,125 bytes)
2. Topband: BCB Trap Filter (score: 1): Author: donhall@myriad.net (Don K5AQ); Date: Mon, 13 Jan 2003 14:05:24 -0600; Barry, You might look at the October, 1983 QST article, "High-Pass Filters for Receiving Applications" by John Webb, W1ETC. It starts on page 17. I built one of his nine-section ones for my 160 RX sy; /archives//html/Topband/2003-01/msg00072.html (7,252 bytes)
3. Topband: BCB Trap Filter (score: 1): Author: eric@K3NA.ORG (Eric Scace K3NA); Date: Mon, 13 Jan 2003 16:09:16 -0500; 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 th; /archives//html/Topband/2003-01/msg00073.html (8,246 bytes)
4. Topband: BCB Trap Filter (score: 1): Author: W1JR@arrl.net (Joe Reisert); Date: Tue, 14 Jan 2003 06:07:26 -0500; Barry, The station at 1.46 MHz is very close to 1.8 MHz and 30 dB of rejection on a high pass filter would be tough (but not impossible) to design and duplicate. Perhaps a notch filter is in order si; /archives//html/Topband/2003-01/msg00074.html (7,189 bytes)
5. Topband: BCB Trap Filter (score: 1): Author: eric@K3NA.ORG (Eric Scace K3NA); Date: Tue, 14 Jan 2003 06:07:03 -0500; 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 th; /archives//html/Topband/2003-01/msg00075.html (7,208 bytes)
6. Topband: BCB Trap Filter (score: 1): Author: Tom Rauch" <w8ji@contesting.com (Tom Rauch); Date: Tue, 14 Jan 2003 07:48:48 -0500; It is difficult to obtain high rejection at 1.5 MHz and have low loss and reasonable ripple above 1.8MHz. Most filter attenuation or ripple won't measure nearly as good as "calculated" through table; /archives//html/Topband/2003-01/msg00076.html (8,078 bytes)

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