Reversible analog to digital converter with high precision

Details Reversible analog to digital converter with high precision Reversible analog to digital converter with high precision

1979-08-20

1981-09-22

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

340347DA, 340347C, 340347M, H03K 1302

Patent

active

042912989

ABSTRACT:
A reversible analog to digital converter is designed for high precision in the interrelation of analog voltages and binary digital representations. An upper and a lower limit voltage converge on the analog voltage level in binarily decreasing steps. The upper and lower limits are averaged to form a trial voltage; in A/D conversion the trial voltage replaces one of the limits in accordance with a comparison between the analog voltage and the trial voltage, in digital to analog conversion the trial voltage replaces one of the limits in accordance with a binary input signal.

REFERENCES:
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patent: 3626408 (1971-12-01), Carbrey
patent: 3646548 (1972-02-01), Van Doren
patent: 3653035 (1972-03-01), Carbrey
patent: 3906488 (1975-09-01), Suarez-Gartner
patent: 3935569 (1976-01-01), Marcel et al.
patent: 4072939 (1978-02-01), Heller et al.
The Engineering Staff of Analog Devices, Inc., Analog-Digital Conversion Handbook, 6/1972, pp. II-46 to II-48; II-80 & 81.
Hoeschele, Analog-to-Digital/Digital-to-Analog Conversion Techniques, 8/1968, pp. 416-421.
Suarez et al., All-MOS Charge Redistribution Analog-to-Digital ---, IEEE Journal of Solid State Circuits, 12/1975, vol. S.C. 10, No. 6, pp. 379-385.
Torng, Introduction to the Logical Design of Switching Systems, Addison-Wesley Publishing Co., Inc., 1964, pp. 135-156.

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