High linearity digital to analog converter

Details High linearity digital to analog converter High linearity digital to analog converter

1983-04-01

1984-12-11

Sloyan, T. J.

Communications: electrical

Audible indication

Percussion-type sound producer

340347CC, 340347M, 363124, 330 9, H03K 1302

Patent

active

044881444

ABSTRACT:
A digital-to-analog converter having high linearity about zero utilizes a magnitude/sign input code and comprises in combination a single unipolar digital-to-analog converter, a broad bandwidth, offset compensated amplifier and a circuit which multiplies the output of this amplifier by +1 or -1 depending on the sign code.

REFERENCES:
patent: 3516002 (1970-06-01), Hillis
patent: 3582939 (1971-06-01), Campbell
patent: 4298843 (1981-11-01), Nixon
Hellwarth et al., Differential Automatic Zero--Correction Amplifier, IBM Tech. Disclosure Bulletin, vol. 15, No. 9, 2/1973, pp. 2719-2720.
Wittlinger et al., Dual Variable OP--AMP IC Simplifies Complex Analog Designs, EDN., Sep. 5, 1979, 5 pp.
The Engineering Staff of Analog Devices, Inc., Analog--Digital Conversion Handbook, 6/1972, pp. I-2 to I-4; I-54 to I-61; II-32 to II-45.
Applications & Engineering Staffs of Burr-Brown Research Corp., Operational Amplifiers Design and Applications, McGraw--Hill Book Co., 1975, pp. 150-161.
Wait et al., Introduction to Operational Amplifier Theory and Applications, McGraw--Hill Book Co., 1975, p. 107.

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