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    • 98. 发明申请
    • OPEN-LOOP VOLTAGE REGULATION AND DRIFT COMPENSATION FOR DIGITALLY CONTROLLED OSCILLATOR (DCO)
    • 数字控制振荡器(DCO)的开环电压调节和漂移补偿
    • WO2016048485A3
    • 2016-03-31
    • PCT/US2015/045735
    • 2015-08-18
    • INTEL CORPORATION
    • LI, ShenggaoTONG, GulukeGOWDER, Sujatha B.SPAGNA, Fulvio
    • G05B24/02H03K3/03
    • Embodiments include apparatuses, methods, and systems for open-loop voltage regulation and drift compensation for a digitally controlled oscillator (DCO). In embodiments, a communication circuit may include a DCO, an open-loop voltage regulator, and a calibration circuit. The open-loop voltage regulator may receive a calibration voltage and may generate a regulated voltage. The regulated voltage may be passed to the DCO. During a calibration mode, the calibration circuit may compare the regulated voltage to a reference voltage and adjust the calibration voltage based on the comparison to provide the regulated voltage with a target value. During a monitoring mode, the calibration circuit may receive a tuning code that is used to tune the DCO and further adjust the calibration voltage based on a value of the tuning code.
    • 实施例包括用于数字控制振荡器(DCO)的开环电压调节和漂移补偿的装置,方法和系统。 在实施例中,通信电路可以包括DCO,开环电压调节器和校准电路。 开环电压调节器可以接收校准电压并且可以产生调节电压。 调节后的电压可能会传递给DCO。 在校准模式期间,校准电路可以将经调节的电压与参考电压进行比较,并且基于比较来调节校准电压以向经调节的电压提供目标值。 在监测模式期间,校准电路可以接收用于调谐DCO的调谐代码并且基于调谐代码的值进一步调整校准电压。