Polyphase filter with optimized silicon area

Details Polyphase filter with optimized silicon area Polyphase filter with optimized silicon area

2004-05-24

2008-08-05

Mai, Tan V. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C708S319000

Reexamination Certificate

active

07409417

ABSTRACT:
A polyphase filter including M taps, each of the M taps including a filter coefficient. The filter also includes a multiplier-accumulator (MAC) shared by the M taps, a plurality of multiplexors for sequentially selecting a subset of the plurality of taps, and a scheduler for controlling the MAC to perform arithmetic operations on respective filter coefficients of the selected subset of the plurality of taps.

REFERENCES:
patent: 4483009 (1984-11-01), Honda et al.
patent: 5956262 (1999-09-01), Comminges et al.
patent: 6600495 (2003-07-01), Boland et al.
patent: 2003/0177157 (2003-09-01), Matoba

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