High speed ROM-based nyquist fir filter

Details High speed ROM-based nyquist fir filter High speed ROM-based nyquist fir filter

1998-06-16

2000-10-24

Malzahn, David H.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

708319, G06F 1710

Patent

active

061381322

ABSTRACT:
A high speed ROM-based Nyquist FIR filter which is capable of enhancing a modulation speed without increasing the operational frequency of the filter by overcoming the problems encountered in the conventional digital modulation ROM-based FIR filter. Therefore, it is possible to increase the modulation speed by the interpolation ratio without increasing the operational frequency of the filter compared to the method of using a conventional FIR filter using one ROM. Accordingly, the high speed ROM-based Nyquist FIR filter according to the present invention is well adaptive to the modulation FIR filter of a broadband digital communication which requires a high speed data processing capability.

REFERENCES:
patent: 5285479 (1994-02-01), Iwane
patent: 5379242 (1995-01-01), Rose et al.
patent: 5487089 (1996-01-01), Misaizu et al.
patent: 5966314 (1999-10-01), Lee

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