公开(公告)号：WO2015047280A1

公开(公告)日：2015-04-02

申请号：PCT/US2013/061997

申请日：2013-09-26

Applicant: LOTFY, Amr M. ,  ABDELSALAM, Mohamed A. ,  ABDELMEJEED, Mamdouh O. ,  KURD, Nasser A. ,  ABDELMONEUM, Mohamed A. ,  ELZINGA, Mark ,  PARK, Young Min ,  RAPETA, Jagannadha R. ,  MUSUNURI, Surya ,  INTEL CORPORATION

Inventor： LOTFY, Amr M. ,  ABDELSALAM, Mohamed A. ,  ABDELMEJEED, Mamdouh O. ,  KURD, Nasser A. ,  ABDELMONEUM, Mohamed A. ,  ELZINGA, Mark ,  PARK, Young Min ,  RAPETA, Jagannadha R. ,  MUSUNURI, Surya

IPC: H03L7/08 ,  H03K3/027

CPC classification number: H03L7/105 ,  G04F10/005 ,  H03L7/085 ,  H03L7/0992 ,  H03L7/10 ,  H03L7/103 ,  H03L2207/06

Abstract: Described is an integrated circuit (IC) with a phase locked loop with capability of fast locking. The IC comprises: a node to provide a reference clock; a digitally controlled oscillator (DCO) to generate an output clock; a divider coupled to the DCO, the divider to divide the output clock and to generate a feedback clock; and control logic operable to reset the DCO and the divider, and operable to release reset in synchronization with the reference clock. An apparatus for zeroing phase error is provided which comprises a first node to provide a reference clock; a second node to provide a feedback clock; a time-to-digital converter, coupled to the first and second nodes, to measure phase error between the reference and feedback clocks; a digital loop filter; and a control unit to adjust the measured phase error, and to provide the adjusted phase error to the digital loop filter.

Abstract translation: 描述了具有锁相环的集成电路（IC），具有快速锁定能力。 IC包括：提供参考时钟的节点; 数字控制振荡器（DCO），用于产生输出时钟; 耦合到DCO的分频器，分频器分频输出时钟并产生反馈时钟; 以及控制逻辑，可操作以复位DCO和分频器，并且可操作以与参考时钟同步地释放复位。 提供了一种用于归零相位误差的装置，其包括提供参考时钟的第一节点; 提供反馈时钟的第二节点; 耦合到第一和第二节点的时间 - 数字转换器，以测量参考和反馈时钟之间的相位误差; 数字环路滤波器; 以及控制单元，用于调整所测量的相位误差，并向数字环路滤波器提供经调整的相位误差。

公开(公告)号：WO2013141863A1

公开(公告)日：2013-09-26

申请号：PCT/US2012/030151

申请日：2012-03-22

Applicant: LOTFY, Amr M. ,  ABDELSALAM, Mohamed A. ,  EL MAHALAWY, Mohammed W. ,  KURD, Nasser A. ,  ABDELMONEUM, Mohamed A.

Inventor： LOTFY, Amr M. ,  ABDELSALAM, Mohamed A. ,  EL MAHALAWY, Mohammed W. ,  KURD, Nasser A. ,  ABDELMONEUM, Mohamed A.

IPC: H03L7/099 ,  H03K3/03

CPC classification number: H03L7/00 ,  H03K3/0315 ,  H03L7/0818 ,  H03L7/087 ,  H03L7/0992

Abstract: Described herein is apparatus and system for a digitally controlled oscillator (DCO). The apparatus comprises a voltage regulator to provide an adjustable power supply; and a DCO to generate an output clock signal, the DCO including one or more delay elements, each delay element operable to change its propagation delay via the adjustable power supply, wherein each delay element comprising an inverter with adjustable drive strength, wherein the inverter is powered by the adjustable power supply. The apparatus further comprises a digital controller to generate a first signal for instructing the voltage regulator to adjust a voltage level of the adjustable power supply.

Abstract translation: 这里描述了用于数字控制振荡器（DCO）的装置和系统。 该装置包括电压调节器以提供可调电源; 以及DCO，用于产生输出时钟信号，所述DCO包括一个或多个延迟元件，每个延迟元件可操作以经由所述可调节电源改变其传播延迟，其中每个延迟元件包括具有可调驱动强度的逆变器，其中所述逆变器 由可调电源供电。 该装置还包括数字控制器，用于产生用于指示电压调节器调节可调电源的电压电平的第一信号。