Reconfigurable infinite impulse response digital filter

Details Reconfigurable infinite impulse response digital filter Reconfigurable infinite impulse response digital filter

1997-10-15

1999-12-28

Ngo, Chuong Dinh

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

708320, G06F 1710

Patent

active

060094451

ABSTRACT:
A reconfigurable infinite impulse response low-pass filter is described in which the frequency response can be changed by changing a single parameter while the filter gain of the filter remains constant, preferably, unity. The parameter value is used to calculate the coefficients for the infinite impulse response filter. By choosing the parameter values carefully, the infinite impulse response filter can be implemented using shift registers rather than multipliers to reduce the hardware complexity of the infinite impulse response filter.

REFERENCES:
patent: 4422156 (1983-12-01), Sano
patent: 4467440 (1984-08-01), Sano
patent: 4489391 (1984-12-01), Morikawa
patent: 5355329 (1994-10-01), Lyon
patent: 5737254 (1998-04-01), Lane et al.
Whitaker, Jerry C.; "The Electronics Handbook"; A CRC Handbook Published in Cooperation with IEEE Press, Technical Press, Inc.; 1996; pp. 749-772.

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