Mixer controlled variable passband finite impulse response filte

Details Mixer controlled variable passband finite impulse response filte Mixer controlled variable passband finite impulse response filte

1985-04-05

1987-10-27

Harkcom, Gary V.

Boots, shoes, and leggings

364825, G06F 738, G06G 702

Patent

active

047034475

ABSTRACT:
A mixer controlled, variable passband, finite impulse response filter has a plurality of individual filter function blocks which are cascaded. The filter function of each of the individual filter function blocks is represented by a fixed filter function block having a linear phase response. The junctions between successive filter function blocks form signal taps. The signal from each signal tap is delayed by a compensating delay device so that the signals from each of the plurality of signal taps have the same phase function. Signals from selected signal taps are then combined in a predetermined manner to achieve a desired filter transfer function.

REFERENCES:
patent: 4016410 (1977-04-01), Eggermont
patent: 4034196 (1977-07-01), Butterweck et al.
patent: 4317092 (1982-02-01), Potter
patent: 4356558 (1982-10-01), Owen et al.
patent: 4359778 (1982-11-01), Lee
patent: 4584600 (1986-04-01), Baker

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