Filter device including analog and digital circuitry

Details Filter device including analog and digital circuitry Filter device including analog and digital circuitry

1995-01-23

1996-10-08

Mai, Tan V.

Boots, shoes, and leggings

G06J 100

Patent

active

055638120

ABSTRACT:
A filter circuit switches a switching mechanism based on multipliers held in a data register DATA RGST as a digital data. Based on the output data of data register DATA RGST, a multiplication circuit M is arranged to have weights corresponding to a capacity of capacitance connected with a common analog input voltage X.

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patent: 4475170 (1984-10-01), Hague
patent: 4766563 (1988-08-01), Fujimoto
patent: 4771395 (1988-09-01), Watanabe et al.
patent: 5163154 (1992-11-01), Bournas et al.
patent: 5280353 (1994-01-01), Baldwin
patent: 5361219 (1994-11-01), Shou et al.
patent: 5365466 (1994-11-01), Hazard
patent: 5381352 (1995-01-01), Shou et al.
Richard C. Dorf, "The Electrical Engineering Handbook", CRC Press Inc., 1993, pp. 674-691.

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