Apparatus and method for programmable dual stage digital filter

Details Apparatus and method for programmable dual stage digital filter Apparatus and method for programmable dual stage digital filter

2007-04-17

2007-04-17

An, Meng-Ai T. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

10209494

ABSTRACT:
The present invention provides a dual stage digital filter and a method for filtering digital data signals. The dual stage digital filter includes a pre-filter, a main filter, and an output register. The pre-filter receives a set of first data bits as inputs and is arranged to filter single noise bits from the set of input data bits to output a set of second data bits. The main filter is coupled to receive the set of second data bits as inputs and is arranged to filter burst noise bits from the set of second data bits to output a set of third data bits. The output register is coupled to receive and store the set of third data bits for output.

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