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New Low Roundoff Noise Realizations of Second-Order Digital Filter Sections
, Agathoklis P., El-Guibaly F.
Published in IEEE
Volume: 43
Issue: 5
Pages: 1255 - 1258
New structures for second-order filter sections are proposed that yield lower output roundoff noise than many well known structures and are free of zero-input limit cycle oscillations. These new low-roundoff structures are based on these suggested by Bomar in [9] and [10] and are obtained by putting the constraint that some of the state-space coefficients be sum-of-two power-of-two terms. Numerical results are included to illustrate the performance of the proposed structures for narrow-band filters and to compare them with other structures. © 1995 IEEE
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JournalData powered by TypesetIEEE Transactions on Signal Processing
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Open AccessNo