Rate conversion digital filter

Details Rate conversion digital filter Rate conversion digital filter

1985-11-05

1990-01-09

Harkcom, Gary V.

Boots, shoes, and leggings

36472413, G06F 1531

Patent

active

048932655

ABSTRACT:
A finite impulse response digital filter includes a first selector for alternately selecting samples of first and second data streams at intervals T, a second selector for alternately selecting samples of the first and second data streams at intervals T in a manner complementary to the first selector. First and second subfilters are clocked at frequency 1/T and respectively responsive to the outputs of the first and second selectors. The subfilters comprise a common register network for introducing different incremental delay times to the outputs of the first and second selectors and supply the delayed signals to a demultiplexer.

REFERENCES:
patent: 3370292 (1968-02-01), Deerfield
patent: 3629509 (1971-12-01), Glaser
patent: 3665171 (1972-05-01), Morrow
patent: 3676654 (1972-07-01), Melvin
patent: 4322810 (1982-03-01), Nakayama
patent: 4606009 (1986-08-01), Wiesmann
patent: 4658368 (1987-04-01), Blais
patent: 4700345 (1987-10-01), Morcom et al.
Kohavi, Switching and Finite Automata Theory, 1978, McGraw-Hill, Inc., Section 15-2, pp. 560-562.

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