Approximated Fractional Order Chebyshev Lowpass Filters
We propose the use of nonlinear least squares optimization to approximate the passband ripple characteristics of traditional Chebyshev lowpass filters with fractional order steps in the stopband. MATLAB simulations of (1+α), (2+α), and (3+α) order lowpass filters with fractional steps from α = 0.1 t...
Ausführliche Beschreibung
Autor*in: |
Todd Freeborn [verfasserIn] |
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Format: |
Artikel |
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Sprache: |
Englisch |
Erschienen: |
2015 |
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Rechteinformationen: |
Nutzungsrecht: Copyright © 2015 Todd Freeborn et al. |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Mathematical problems in engineering - New York, NY : Hindawi, 1995, 2015(2015) |
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Übergeordnetes Werk: |
volume:2015 ; year:2015 |
Links: |
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DOI / URN: |
10.1155/2015/832468 |
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Katalog-ID: |
OLC1961824132 |
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abstract |
We propose the use of nonlinear least squares optimization to approximate the passband ripple characteristics of traditional Chebyshev lowpass filters with fractional order steps in the stopband. MATLAB simulations of (1+α), (2+α), and (3+α) order lowpass filters with fractional steps from α = 0.1 to α = 0.9 are given as examples. SPICE simulations of 1.2, 1.5, and 1.8 order lowpass filters using approximated fractional order capacitors in a Tow-Thomas biquad circuit validate the implementation of these filter circuits. |
abstractGer |
We propose the use of nonlinear least squares optimization to approximate the passband ripple characteristics of traditional Chebyshev lowpass filters with fractional order steps in the stopband. MATLAB simulations of (1+α), (2+α), and (3+α) order lowpass filters with fractional steps from α = 0.1 to α = 0.9 are given as examples. SPICE simulations of 1.2, 1.5, and 1.8 order lowpass filters using approximated fractional order capacitors in a Tow-Thomas biquad circuit validate the implementation of these filter circuits. |
abstract_unstemmed |
We propose the use of nonlinear least squares optimization to approximate the passband ripple characteristics of traditional Chebyshev lowpass filters with fractional order steps in the stopband. MATLAB simulations of (1+α), (2+α), and (3+α) order lowpass filters with fractional steps from α = 0.1 to α = 0.9 are given as examples. SPICE simulations of 1.2, 1.5, and 1.8 order lowpass filters using approximated fractional order capacitors in a Tow-Thomas biquad circuit validate the implementation of these filter circuits. |
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Approximated Fractional Order Chebyshev Lowpass Filters |
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