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Total 7 documents matching your query.

1. Re: [TenTec] OMNI V 500 hz. filter (score: 1): Author: "Donald L. Schliesser" <donjan7@earthlink.net>; Date: Thu, 01 Mar 2007 16:43:23 -0600; I have 4 filters in the 6.3 Mhz. IF: 2.4, 1.8, .5, .25. They all work, but the 500 hz. has less output than the 250 hz. - even when I adjust the PBT and the FADE/BP controls for max gain. Gain is pro; /archives//html/TenTec/2007-03/msg00011.html (7,052 bytes)
2. Re: [TenTec] OMNI V 500 hz. filter (score: 1): Author: "Donald L. Schliesser" <donjan7@earthlink.net>; Date: Thu, 01 Mar 2007 17:02:25 -0600; I have 4 filters in the 6.3 Mhz. IF: 2.4, 1.8, .5, .25. They all work but the 500 hz. has less output than the 250 hz. - even when I adjust the PBT and FADE/BP controls for max gain. Gain is probably; /archives//html/TenTec/2007-03/msg00012.html (7,715 bytes)
3. Re: [TenTec] OMNI V 500 hz. filter (score: 1): Author: ka5m@aol.com; Date: Thu, 01 Mar 2007 18:08:03 -0500; Check the filter very carefully for cold solder joints / loose connections. I had this problem once with a 500Hz filter and a quick resolder with a 25 watt iron fixed it. 73, Marsh, KA5M --Original M; /archives//html/TenTec/2007-03/msg00013.html (8,704 bytes)
4. Re: [TenTec] OMNI V 500 hz. filter (score: 1): Author: "Geoffrey S. Mendelson" <gsm@mendelson.com>; Date: Fri, 2 Mar 2007 01:10:36 +0200; IMHO the question is how much of a problem is it? If you listen with headphones and switch between filters, it can be a big problem. If you just leave it set on one filter and change it occasionaly,; /archives//html/TenTec/2007-03/msg00014.html (8,730 bytes)
5. Re: [TenTec] OMNI V 500 hz. filter (score: 1): Author: "Jay" <aj4ay@comcast.net>; Date: Thu, 1 Mar 2007 17:37:02 -0600; Donald, The 250hz filter has an 11.5 db insertion loss compared to the 500hz filter's 5.5 db. In short, the heard sound from the 500hz filter should be louder and approximately 2 S units higher than; /archives//html/TenTec/2007-03/msg00015.html (9,776 bytes)
6. Re: [TenTec] OMNI V 500 hz. filter (score: 1): Author: Roger <zrdc28@yahoo.com>; Date: Sat, 3 Mar 2007 14:51:51 -0800 (PST); I did a lot of experimenting with the crystal filters 15 to 20 years ago on the Argosy. I have all the paperwork on my experiments somewhere but Can not find them now. I believe that I ordered my cry; /archives//html/TenTec/2007-03/msg00029.html (9,264 bytes)
7. Re: [TenTec] OMNI V 500 hz. filter (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Sat, 03 Mar 2007 17:32:12 -0600; There have been articles in QST, ARRL Handbooks, Ham Radio magazine, and MFJ has a book on the design of crystal ladder filters. A classic Filter Design Handbook by Zverev also allows designing to ma; /archives//html/TenTec/2007-03/msg00031.html (9,658 bytes)

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