Abstract
Wave digital filters (WDF) based on analogue lattice and unit element cascade networks possess important properties that make them suitable for VLSI integration. These include low round-off noise even with short coefficient wordlength and a building block (two-port adaptor) with a very simple structure. Exploiting these properties leads to area efficient designs. Systolic architectures for these WDF networks give the additional advantage of very high sampling rates with potential application in sonar and video signal processing. The bit-level systolic array design of two WDFs is considered in detail, beginning at the filter specification and ending at the VLSI hardware architecture, with discussion of the expected values of the integrated circuit parameters.
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