Digital filter

Details Digital filter Digital filter

H - Electricity

03

H

H03H 17/02 (2006.01) H03H 17/06 (2006.01)

Patent

CA 2051858

In a digital filter, a plurality of delay elements D1 - Dn are serially connected to one another, and taps for obtaining delay signals being different in delay time from one another are provided at respective connecting portions. Outputs from a plurality of multipliers M0 - M3 are added together by an adder A, and the result is outputted to an output terminal of the digital filter. Signal selecting means S00 - S3n are switched on or off between the plurality of taps and the input terminals of the plurality of multipliers. The multipliers M0 - M3 can be connected to optional taps, and, by use of a relatively small number of multipliers, a plurality of delay signals being different in delay time from one another are formed into a composite output signal while the delay times and the signal levels being widely selected.

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