Digital filter with long impulse response

Details Digital filter with long impulse response Digital filter with long impulse response

1998-04-28

2000-02-15

Le, Dinh T.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

327231, 327263, 327248, H03K 500

Patent

active

060257504

ABSTRACT:
A digital filter includes a)--a plurality of means for the sampling (10, 11, 12, 13, 20, 21, 22, 30, 31) with different delays, of an incoming signal (S), and b)--means (7) to carry out a linear combination of samples produced by the said sampling means (10, 11, 12, 13, 20, 21, 22, 30, 31). The filter is characterized in that a sampling frequency (F/2) of at least some of the sampling means (20, 21, 22) which are associated with delays longer than some of the other sampling means (10, 11, 12, 13) is lower than a sampling frequency (F) of said other sampling means.

REFERENCES:
patent: 4737724 (1988-04-01), Porrot
patent: 5781462 (1998-07-01), Yamanaka et al.

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