Linear phase analog filter design with arbitrary stopband zeros

Huard, D.; Andersen, J.; Hove, R.G.

doi:10.1109/iscas.1992.230091

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“…The hourglass algorithm [1] is a computationally-intensive technique for determining a filter transfer function that simultaneously satisfies both group delay and magnitude requirements. It has been successfully applied to linear phase analog filters [2] but the results are generally non-minimum phase, increasing implementation complexity due to the all-pass blocks.…”

Section: Introductionmentioning

confidence: 99%

Inverse Ultraspherical Filters

Corral¹

2005

Analog Integr Circ Sig Process

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The inverse ultraspherical filter is derived and its properties analyzed. It is shown that the inverse ultraspherical filter has smaller transition band than the inverse Chebyshev filter under certain circumstances while still maintaining the maximally flat passband characteristic. Filter pole and zero calculations are described and typical magnitude and delay responses generated. Nomographs of inverse ultraspherical filters are also provided for determining filter order and for possible magnitude response optimization.

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Section: Introductionmentioning

confidence: 99%

Inverse Ultraspherical Filters

Corral¹

2005

Analog Integr Circ Sig Process

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show abstract

Linear phase analog filter design with arbitrary stopband zeros

Cited by 1 publication

References 1 publication

Inverse Ultraspherical Filters

Inverse Ultraspherical Filters

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