Time-to-voltage converter using correlated double sampling

A time-to-voltage converter is configured to generate an output voltage signal and a correlated reference voltage signal. The time-to-voltage converter includes a current source configured to generate a bias current through a current source output node. The time-to-voltage converter includes a first...

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Bibliographische Detailangaben
Hauptverfasser:	Sonntag, Jeffrey L, Drost, Brian G, Kratyuk, Volodymyr, Caffee, Aaron J
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY HOROLOGY PHYSICS PULSE TECHNIQUE TIME-INTERVAL MEASURING
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Beschreibung
Zusammenfassung:	A time-to-voltage converter is configured to generate an output voltage signal and a correlated reference voltage signal. The time-to-voltage converter includes a current source configured to generate a bias current through a current source output node. The time-to-voltage converter includes a first switched-capacitor circuit coupled to the current source output node and configured to generate the output voltage signal based on an input time signal and the bias current during a first interval. The time-to-voltage converter includes a second switched-capacitor circuit coupled to the current source output node and configured to generate the correlated reference voltage signal based on a reference time signal and the bias current during a second interval. The first interval and the second interval are non-overlapping intervals.