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REALIZATION OF LATTICE WAVE DIGITAL-FILTERS USING 3-PORT ADAPTERS

Publisher
IEE-INST ELEC ENG
Publication Date
Keywords
  • Tk Electrical Engineering. Electronics Nuclear Engineering

Abstract

The second-order allpass section is the main building block of the lattice wave digital filter (LTWDF). This is conventionally realised using two-port adaptors. The authors present comparison between the two-port realisation of the second-order allpass section and another based on the three-port series adaptor. It is shown that the sample rate of LTWDFs can be increased by up to 90% with the three-port realisation.

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