TIME-TO-DIGITAL CONVERTER (TDC) WITH IMPROVED RESOLUTION

A method (1400) of calibrating a time-to-digital converter (500) comprising first and second delay paths (510a, 510b). The method comprises: adjusting (1412) delay of a first reference signal for the first delay path to time align the first reference signal with a first input signal for the first de...

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Bibliographische Detailangaben
Hauptverfasser: BOSSU, Frederic, WANG, Kevin, H, PALAKURTY, Saru
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method (1400) of calibrating a time-to-digital converter (500) comprising first and second delay paths (510a, 510b). The method comprises: adjusting (1412) delay of a first reference signal for the first delay path to time align the first reference signal with a first input signal for the first delay path; and adjusting (1414) delay of a second reference signal for the second delay path to time align the second reference signal with a second input signal for the second delay path. The time-to-digital converter may have fine resolution of less than one inverter delay.