Explicit design formulae for digital tan filters with low-pass, high-pass, band-pass, and band- stop characteristics

Hirano, Kyoko; Sakaguchi, Hotaka; Mitra, S.K.

doi:10.1016/0016-0032(79)90032-2

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Realizability Conditions1

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1982

1999

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Cited by 13 publications

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“…After long routine calculations we get the results depicted in Table 2. For the special case of second-order transfer functions obtained by , tan' digital filter approximations (Hirano et al 1979) a few remarks are noteworthy.…”

Section: Realizability Conditionsmentioning

confidence: 99%

Sensitivity of second-order two-pair digital filters

José

Ayerbe

1984

International Journal of Electronics

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The paper provides a detailed analysis of the coefficient quantization error on the amplitude response for a general second-order section. Seven classes of two-pair structures and the canonic direct form structure are used to realize the sect.ion. The amplitude response sensitivity of the second-order sections obtained for sixth-order low-pass digital filters with variable bandwidth for the four types of classic approximation is computed. Finally, in order to minimize the deterioration due to coefficient quantization in tho n.mplitude-frequency response of a digital filter, it is proposed that tho realization of the digital filter should be by cascade connection of second-order sections chosen by using the above results. This deterioration is then evaluated by computer simulation.

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Section: Realizability Conditionsmentioning

confidence: 99%