Time-to-voltage converter

Details Time-to-voltage converter Time-to-voltage converter

1984-03-01

1985-03-12

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

G04F 800

Patent

active

045041555

ABSTRACT:
A constant current source is provided to charge a reference capacitor. The current is switched to the capacitor by a first high-speed analog switch when a first event occurs and the current is turned off by a second high-speed analog switch when a second event occurs. The voltage produced by the charge on the capacitor is proportional to the time between events. A sample and hold circuit maintains the maximum voltage on the capacitor when the events are periodic.

REFERENCES:
patent: 3761805 (1973-09-01), Dornberger
patent: 3781677 (1973-12-01), Hagen
patent: 3790890 (1974-02-01), Doittau et al.
patent: 3961258 (1976-06-01), Morisaki

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