Analog-to-digital converter

Details Analog-to-digital converter Analog-to-digital converter

1978-03-20

1983-01-11

Miller, C. D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347NT, H03K 1320

Patent

active

043684572

ABSTRACT:
An analog-to-digital converter comprising a capacitive element for storing an analog input signal, a discharge means for discharging the charge stored in said capacitive element, a means for counting the number of clockpulses between the time of discharge starting and the time at which the voltage at the output of said capacitive element reaches a certain detection level, and a bias voltage supply means for supplying a bias voltage in order to bring the voltage at the output terminal of said capacitive element at the discharge starting time above said detection level.

REFERENCES:
patent: 3480948 (1969-11-01), Lord
patent: 3836906 (1974-09-01), Ando
patent: 4023160 (1977-05-01), Kirschner
patent: 4074260 (1978-02-01), Butler
patent: 4083045 (1978-05-01), Lattin
patent: 4097753 (1978-06-01), Cook
patent: 4870666 (1978-01-01), Butler
McCreary "IEEE Journal of Solid State Circuits" Dec. 1975 pp. 371-379.
Smarandoiu "IEEE Journal of Solid-State Circuits" Jun. 1976 pp. 408-410.
Duke "IEEE Trans. on Instrumentation and Measurements" Feb. 1971 pp. 74-76.

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