Tracking analog-to-digital converter

Details Tracking analog-to-digital converter Tracking analog-to-digital converter

1997-06-23

1999-08-31

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Nonlinear

341143, 341120, 341155, 341164, H03M 162

Patent

active

059459344

ABSTRACT:
A tracking analog-to-digital converter (ADC) which incorporates an input device, such as a superlattice, which produces a pulsating output current corresponding to the voltage level of an analog input voltage and an encoding device to provides a unique digital code which can be read to yield an approximation of the analog input voltage level. By simultaneously tracking the analog input voltage, the device operates at higher speeds than previously attainable. The resolution of the new ADC is increased by composing the input device to respond to narrow voltage ranges. When the input device is a superlattice, narrow response ranges are accomplished by composing the superlattice to have an increased number of resonances or by vertically stacking a plurality of superlattices.

REFERENCES:
patent: 3937066 (1976-02-01), Green et al.
Michael J. Demler, High-Speed Analog-to-Digital Conversion, Academic Press, Inc., 1991, pp. 1-21.
High-Speed Semiconductor Devices, S.M. Sze, editor, John Wiley & Sons, Inc., 1990, pp. 528-540.
Analog-Digital Conversion Handbook, Daniel H. Sheingold editor, P T R Prentice Hall, 1986, pp. 420-426.

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