Digital filter operating at intermediate frequency

Details Digital filter operating at intermediate frequency Digital filter operating at intermediate frequency

1988-03-28

1991-06-11

Baker, Stephen M.

Boots, shoes, and leggings

333166, 364825, 455340, H04B 116, H04B 306, H03H 1700

Patent

active

050238213

ABSTRACT:
A digital filter operating at intermediate frequency, having a transverse filter; a recursive filter; a device for storing the different coefficients of the two filters; a D-A conversion device situated at the output of this storage device; a device for addressing this storage device; and controls for the addressing device.

REFERENCES:
patent: 4063200 (1977-12-01), Mattern
patent: 4117541 (1978-09-01), Ali
patent: 4581730 (1986-04-01), Ozeki et al.
Gersho, "Charge Transfer Filtering", Proc. of the IEEE, vol. 67, No. 2, Feb. 1979, pp. 196-218.

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