Analog-to-digital conversion apparatus

Details Analog-to-digital conversion apparatus Analog-to-digital conversion apparatus

1976-10-21

1978-05-02

Yusko, Donald J.

Communications: electrical

Digital comparator systems

340347AD, 324 99D, F03K 1300, G01R 1706

Patent

active

040877965

ABSTRACT:
An analog-to-digital converter utilizing a pulse density concept wherein a pulse generator is used and the rate of generation of pulses is a function of the difference between the analog input and the indicated digital output. The pulses are utilized in an adding/accumulation circuit for adjusting the output value upwardly or downwardly to minimize the error input. A digital-to-analog converter is used between the output of the accumulator and an algebraic summing network in a feedback manner to compare with the analog input and produce the error signal.

REFERENCES:
patent: 2784396 (1957-03-01), Kaiser et al.
patent: 3548169 (1970-12-01), Togneri
patent: 3882488 (1975-05-01), Kosakowski et al.
patent: 3982240 (1976-09-01), Waehner
patent: 3999123 (1976-12-01), Thoener

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