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Total 23 documents matching your query.

21. Re: [TenTec] CW Filters ??? (score: 1): Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>; Date: Wed, 16 May 2012 06:40:32 -0500; The filters do become active when the DSP BW is at or less than the prescribed filter BW. Remember these are roofing filters and it is the DSP that determines the selectivity of receive. The roofing; /archives//html/TenTec/2012-05/msg00172.html (16,461 bytes)
22. Re: [TenTec] CW Filters ??? (score: 1): Author: "Martin Sole" <hs0zed@csloxinfo.com>; Date: Wed, 16 May 2012 18:53:01 +0700; I mostly use the 6kHz filter because I need the noise blanker most of the time. A much narrower roofing filter makes little difference here where it's a big day when I hear more than 3 stations on a; /archives//html/TenTec/2012-05/msg00174.html (17,675 bytes)
23. Re: [TenTec] CW Filters ??? (score: 1): Author: Barry N1EU <barry.n1eu@gmail.com>; Date: Wed, 16 May 2012 12:55:39 +0000; It might seem that way at first glance, but that's an oversimplification. The reason it can actually be a useful technique in dsp radios is that dsp filtering has steeper shoulders than crystal/mecha; /archives//html/TenTec/2012-05/msg00175.html (9,582 bytes)

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