A circuit device includes a first PLL circuit to which a first clock signal having a first clock frequency generated using a first resonator and a reference clock signal are input, and which performs phase synchronization between the first clock signal and the reference clock signal, a second PLL circuit to which a second clock signal generated using a second resonator and having a second clock frequency different from the first clock frequency and the reference clock signal are input, and which performs phase synchronization between the second clock signal and the reference clock signal, and a time-to-digital conversion circuit adapted to convert time into a digital value using the first clock signal and the second clock signal.


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    Titel :

    Circuit device, physical quantity measurement device, electronic apparatus, and vehicle


    Beteiligte:
    TSUTSUMI AKIO (Autor:in) / KURASHINA TAKASHI (Autor:in) / MAKI KATSUHIKO (Autor:in)

    Erscheinungsdatum :

    23.04.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H03L Automatisches Steuern oder Regeln, Inbetriebsetzen, Synchronisieren oder Stabilisieren elektronischer Schwingungs- oder Impulserzeuger , AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES / A61B DIAGNOSIS , Diagnostik / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01S RADIO DIRECTION-FINDING , Funkpeilung / G04F TIME-INTERVAL MEASURING , Messen von Zeitintervallen / H03B Erzeugung von Schwingungen, unmittelbar oder durch Frequenzwandlung, durch Schaltungsanordnungen mit aktiven Bauelementen, die nicht als Schalter arbeiten , GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER



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