Digitizer with enhanced accuracy

Details Digitizer with enhanced accuracy Digitizer with enhanced accuracy

2007-07-03

2007-07-03

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S156000

Reexamination Certificate

active

11318252

ABSTRACT:
Systems and techniques for converting an analog input signal to a digital code are described. A system includes a differential stage to produce a sign bit indicative of a sign of the analog input signal and to generate a first analog signal that is approximately equal to an absolute value of the analog input signal. The system also includes an analog-to-digital converter (ADC) to convert the first analog signal to a second digital code representing a magnitude of the analog input signal and a controller to combine the second digital code and the sign bit to produce a first digital code.

REFERENCES:
patent: 4181967 (1980-01-01), Nash et al.
patent: 5490099 (1996-02-01), Shou et al.

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