Analog-digital encoding circuit with automatic compensation for

Details Analog-digital encoding circuit with automatic compensation for Analog-digital encoding circuit with automatic compensation for

1993-09-21

1995-06-13

Hoff, Marc S.

Coded data generation or conversion

Converter compensation

341120, H03M 106

Patent

active

054247381

ABSTRACT:
This analog-digital coding circuit comprises, in parallel on an analog-digital converter, a crossover detector. This crossover detector operates on the input analog signal of the converter and, by means of a delay circuit, taking account of the conversion time of the converter, commands the recording of values in a digital register placed at output of the converter. A digital subtractor, placed at output of the coding circuit, makes a systematic deduction, from the digital values delivered by the converter, of that value which is memorized in the digital register and corresponds to the offset voltage of the converter.

REFERENCES:
patent: Re34428 (1993-11-01), George et al.
patent: 3982241 (1976-09-01), Lipcon
patent: 4251803 (1981-02-01), Debord et al.
patent: 4390864 (1983-06-01), Ormond
patent: 4468651 (1984-08-01), Lechner et al.
patent: 4608553 (1986-08-01), Ormond
patent: 4907165 (1990-03-01), Toda
Patent Abstracts of Japan vol. 13, No. 195 Jan. 19, 1989 (E-754) (3543).

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