First order recursive digital filter without multiplier

Details First order recursive digital filter without multiplier First order recursive digital filter without multiplier

1985-12-24

1991-01-08

Harkcom, Gary V.

Boots, shoes, and leggings

G06F 738

Patent

active

049841874

ABSTRACT:
A recursive digital filter and method for filtering an n-bit digital input signal. The filter includes a summing circuit which receives an input signal. A second summing circuit is also provided which is coupled to the first summing circuit. Further provided is a feedback circuit which is operable to allow the first and second summing circuits to generate a filtered output signal without using a multiplier.

REFERENCES:
patent: 4099245 (1978-07-01), Maysonett
patent: 4104729 (1978-08-01), Gingell
patent: 4356558 (1982-10-01), Owen et al.
patent: 4573135 (1986-02-01), Dieterich

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