Digital signal processing device with quantizer

Registers – Transfer mechanism – Traveling pawl

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G06F 738

Patent

active

040341968

ABSTRACT:
A digital signal processing device of the recursive type, such as a recursive digital filter or a digital oscillator, comprising a storage device for storing at least one first code word related to an output code word, multiplying means for multiplying said first code word by a given weighting factor for generating a second output code word, a controlled quantizer which applies rounding or magnitude truncation upon said second code word in response to a third code word which is related to said first code word.

REFERENCES:
patent: 3609568 (1971-09-01), Jackson
patent: 3725687 (1973-04-01), Heightley
patent: 3749895 (1973-07-01), Chih-Yu Kao
S.R. Parker et al., "Limit-Cycle Oscillations in Digital Filters" IEEE Trans. on Ckt. Theory vol. ct-18 No. 6, Nov. 1971, pp. 687-697.

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