IEEETRANSACTTONSON CIRCUITSAND SYSTEMS,VOL. CAS-31,NO.4,APFUL1984 Exact Synthesis of LDI and LDD Ladder Filters
نویسندگان
چکیده
Absrracr-The low sensitivity property of lossless discrete integrator (LDI) low-pass ladder filters is shown to be preserved in lossless discrete differentiator (LDD) high-pass ladder filters 111. The exact design method for LDI ladder filters given in [Z] is further developed by introducing a set of closed-form design formulas for digital ah-pole Chebyshev transfer functions. A new technique for improving the numerical accuracy in the synthesis procedure is introduced. Finally, a comprehensive LDI ladder filter design program is presented.
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Implementation Aspects of Second-order LDI/LDD Allpass Filters
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