Digital filter

Details Digital filter Digital filter

H - Electricity

03

H

328/0.5

H03H 17/04 (2006.01) G06F 17/10 (2006.01) G06F 17/16 (2006.01) H03H 17/02 (2006.01)

Patent

CA 2020264

Abstract of the Disclosure: A digital filter receives an input data of N bits and generates an output data obtained by totally summing partial products each of which corresponds to a product of each bit and a predetermined coefficient. This digital filter comprises an input register for latching the input data in the form of L divided blocks each composed of M bits, a delay-latch circuit connected to the input latch and for outputting the N-bit data with a predetermined delay time, a multiplication circuit having M memories and for multiplying a predetermined coefficient to each bit for each of the M-bit blocks outputted from the input register and the delay-latch circuit, and an addition circuit for sequentially summing data, block by block, outputted from the multiplication circuit.

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