East high-bit one step electronic analog-to-digital converter

Details East high-bit one step electronic analog-to-digital converter East high-bit one step electronic analog-to-digital converter

1991-12-10

1993-07-13

Pellinen, A. D.

Coded data generation or conversion

Analog to or from digital conversion

Bipolar

341155, H03M 112

Patent

active

052277917

ABSTRACT:
The converter input i is connected through a comparator to the polarity bit output as well as to the input of a full-wave precision rectifier in the first quantization stage, which like further stages comprises an operational amplifier, a comparator and an exclusive OR gate, the output of which is connected to the output for the first bit. To the inverting input of the amplifier with the gain equal to 2 through the potentiometer a voltage -U.sub.o /2 is fed, (-U.sub.o, +U.sub.o) being the interval of the input voltage. The input of the rectifier is connector to the input i and the input of the rectifier in further stages is connected to the output of the operational amplifier in the previous stage. The second input of the exclusive OR gate is connected to the bit output of the previous stage.

REFERENCES:
patent: 3641562 (1972-02-01), Kobayashi et al.
patent: 3688221 (1972-08-01), Fruhalf

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