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Total 5 documents matching your query.

1. LF: Bessel bandpass filter? (score: 1): Author: "Vernall" <[email protected]>; Date: Sat, 03 Jun 2000 15:56:14 +1200; Thanks for reading this, I'm doing some study on audio bandpass filters before building a different variant of the PA0LQ stagger tuned filter. Texts suggest that the type of multiple feed back (MFB); /rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00037.html (10,052 bytes)
2. Re: LF: Bessel bandpass filter? (score: 1): Author: [email protected]; Date: Sat, 3 Jun 2000 01:26:07 EDT; Hi Bob, Bessel filters do have wonderful group delay characteristics, and a bandpass version is entirely mathematically realisable...but not especially useful. The skirts of such a filter are so gent; /rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00038.html (8,919 bytes)
3. Re: LF: Bessel bandpass filter? (score: 1): Author: "vernall" <[email protected]>; Date: Sat, 03 Jun 2000 23:34:16 +1200; Hi Bob, Bessel filters do have wonderful group delay characteristics, and a bandpass version is entirely mathematically realisable...but not especially useful. I was not planning to use one. My query; /rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00042.html (10,023 bytes)
4. Re: LF: Bessel bandpass filter? (score: 1): Author: "James Moritz" <[email protected]>; Date: Mon, 5 Jun 2000 13:48:45 +0000; Dear LF Group, ZL2CA wrote: But the intended thrust of this email is to ask about if anyone can find a reference to a BESSEL BANDPASS filter. Text books all say that the Bessel low pass filter has th; /rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00071.html (14,787 bytes)
5. Re: LF: Bessel bandpass filter? (score: 1): Author: "vernall" <[email protected]>; Date: Tue, 06 Jun 2000 09:32:12 +1200; I wish to thank Jim M0BMU for his good summary comments on filter design, including Bessel types. I do not have either of the two reference books Jim named and I will request the public library to se; /rsgb_lf_group-archives/html/rsgb_lf_group/2000-06/msg00082.html (9,433 bytes)

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