Configurable FIR filter with segmented cells

A FIR filter includes segment cells, each of which is configurable as an interpolation filter, a decimation filter, a symmetric filter, or an asymmetric filter. Two or more of the segment cells are configurable to be cascaded to form an interpolation filter, a decimation filter, a symmetric filter,...

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Bibliographische Detailangaben
Hauptverfasser: Rashev Peter Z, Kaushik Arvind, Singh Amrit P, Mittal Akshat
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A FIR filter includes segment cells, each of which is configurable as an interpolation filter, a decimation filter, a symmetric filter, or an asymmetric filter. Two or more of the segment cells are configurable to be cascaded to form an interpolation filter, a decimation filter, a symmetric filter, an asymmetric filter, a complex symmetric filter, or a complex asymmetric filter. The FIR filter includes registers corresponding to the segment cells for storing coefficient values of the corresponding segment cells. The FIR filter further includes control circuits corresponding to the segment cells for generating control signals.