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Author: search.filters.author.Rungsunseri, Y.

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    Design of MURROMAF filters with equiripple stopband attenuation
    (1989-01-01)
    Thajchayapong, P.
    ;
    Rungsunseri, Y.
    ;
    Punkasirikul, C.
    A class of filters known as multiple real-pole equal-ripple rational (MRPER) filters has already been proposed. It provides the advantages of third-order block realization or the Cauer type of filter. A design technique is proposed here for a multiple real-root maximally flat (MURROMAF) filter with equiripple stopband. Hence, the filter designer is now provided with a third-order block realization of the inverse Chebyshev type of filter. © 1989 Taylor & Francis Ltd.
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    Multiple critical pole maximally flat RC active filter with sharp cutoff
    (1986-01-01)
    Thajchayapong, P.
    ;
    Kimpan, C.
    ;
    Rungsunseri, Y.
    A maximally flat RC active filter with sharp cutoff can be achieved by including single or multiple pairs of coincident transmission zeros but at the expense of high Q-factor of the critical pole pair. A novel design technique is proposed here to reduce the Q-factor of such filters by increasing the multiplicity of the critical pole pairs. Hence a new class of sharp cutoff maximally flat RC active filters with low sensitivity is obtained. © 1986, The Institution of Electrical Engineers. All rights reserved.