公开(公告)号：US09088289B2

公开(公告)日：2015-07-21

申请号：US13861323

申请日：2013-04-11

Applicant: NVIDIA Corporation

Inventor： Dong-Myung Choi ,  Anuradha Subbaraman

IPC: H03L5/00

CPC classification number: H03L5/00 ,  H03K3/0315

Abstract: A system and method are provided for increasing a voltage range associated with a voltage controlled oscillator. A voltage-to-current converter is provided. Additionally, a current controlled oscillator is provided that is in communication with the voltage-to-current converter. Further, at least one circuit component is provided that is in communication with the voltage-to-current converter for increasing a voltage range with which the apparatus operates as a voltage controlled oscillator.

Abstract translation: 提供了一种用于增加与压控振荡器相关联的电压范围的系统和方法。 提供一个电压 - 电流转换器。 此外，提供了与电压 - 电流转换器通信的电流控制振荡器。 此外，提供与电压 - 电流转换器通信的至少一个电路部件，用于增加装置作为压控振荡器工作的电压范围。

公开(公告)号：US20140253349A1

公开(公告)日：2014-09-11

申请号：US13792558

申请日：2013-03-11

Applicant: NVIDIA CORPORATION

Inventor： Dong-Myung Choi ,  Madhusudhan Sarda ,  Anu Subbaraman ,  Kwanjee Ng

IPC: H03M1/64

CPC classification number: H03M1/50 ,  G04F10/005 ,  H03M1/60

Abstract: A window-enabled TDC and method of detecting phase of a reference signal. One embodiment of the window-enabled TDC includes: (1) a window generator configured to receive a reference signal and a clock signal, and (2) a TDC circuit coupled to the window generator and configured to be enabled based on the reference signal and disabled based on the clock signal.

Abstract translation: 一种支持窗口的TDC和检测参考信号相位的方法。 启用窗口的TDC的一个实施例包括：（1）窗口生成器，其被配置为接收参考信号和时钟信号，以及（2）TDC电路，其耦合到窗口发生器并且被配置为基于参考信号被使能， 基于时钟信号禁用。

公开(公告)号：US08786478B1

公开(公告)日：2014-07-22

申请号：US13754806

申请日：2013-01-30

Applicant: NVIDIA Corporation

Inventor： Dong-Myung Choi ,  Anuradha Subbaraman

IPC: H03M1/66 ,  H03M1/10

CPC classification number: H03M1/0863 ,  H03M1/742

Abstract: A processor and a circuit implementing a continuous-time deglitching technique for a digital-to-analog converter are disclosed. The circuit includes a digital-to-analog converter having a differential current output, an operational amplifier having an inverting input coupled to a first output of the differential current output and a non-inverting input coupled to a second output of the differential current output, and a transistor coupled to the second output and the output of the operational amplifier. The operational amplifier is configured to operate the transistor to adjust the voltage potential of the second output to substantially match the voltage potential of the first output.

Abstract translation: 公开了一种处理器和实现用于数模转换器的连续时间降温技术的电路。 电路包括具有差分电流输出的数模转换器，具有耦合到差分电流输出的第一输出的反相输入的运算放大器和耦合到差分电流输出的第二输出的非反相输入， 以及耦合到第二输出和运算放大器的输出的晶体管。 运算放大器被配置为操作晶体管以调整第二输出的电压电位以基本上匹配第一输出的电压电位。

公开(公告)号：US20140210656A1

公开(公告)日：2014-07-31

申请号：US13754806

申请日：2013-01-30

Applicant: NVIDIA CORPORATION

Inventor： Dong-Myung Choi ,  Anuradha Subbaraman

IPC: H03M1/66

CPC classification number: H03M1/0863 ,  H03M1/742

Abstract: A processor and a circuit implementing a continuous-time deglitching technique for a digital-to-analog converter are disclosed. The circuit includes a digital-to-analog converter having a differential current output, an operational amplifier having an inverting input coupled to a first output of the differential current output and a non-inverting input coupled to a second output of the differential current output, and a transistor coupled to the second output and the output of the operational amplifier. The operational amplifier is configured to operate the transistor to adjust the voltage potential of the second output to substantially match the voltage potential of the first output.

Abstract translation: 公开了一种处理器和实现用于数模转换器的连续时间降温技术的电路。 电路包括具有差分电流输出的数模转换器，具有耦合到差分电流输出的第一输出的反相输入的运算放大器和耦合到差分电流输出的第二输出的非反相输入， 以及耦合到第二输出和运算放大器的输出的晶体管。 运算放大器被配置为操作晶体管以调整第二输出的电压电位以基本上匹配第一输出的电压电位。

公开(公告)号：US20140306775A1

公开(公告)日：2014-10-16

申请号：US13861323

申请日：2013-04-11

Applicant: NVIDIA CORPORATION

Inventor： Dong-Myung Choi ,  Anuradha Subbaraman

IPC: H03L5/00

CPC classification number: H03L5/00 ,  H03K3/0315

Abstract: A system and method are provided for increasing a voltage range associated with a voltage controlled oscillator. A voltage-to-current converter is provided. Additionally, a current controlled oscillator is provided that is in communication with the voltage-to-current converter. Further, at least one circuit component is provided that is in communication with the voltage-to-current converter for increasing a voltage range with which the apparatus operates as a voltage controlled oscillator.

Abstract translation: 提供了一种用于增加与压控振荡器相关联的电压范围的系统和方法。 提供一个电压 - 电流转换器。 此外，提供了与电压 - 电流转换器通信的电流控制振荡器。 此外，提供与电压 - 电流转换器通信的至少一个电路部件，用于增加装置作为压控振荡器工作的电压范围。

公开(公告)号：US08830110B1

公开(公告)日：2014-09-09

申请号：US13792558

申请日：2013-03-11

Applicant: Nvidia Corporation

Inventor： Dong-Myung Choi ,  Madhusudhan Sarda ,  Anu Subbaraman ,  Kwanjee Ng

IPC: H03M1/50 ,  H03M1/64 ,  G04F10/00 ,  H03M1/60

CPC classification number: H03M1/50 ,  G04F10/005 ,  H03M1/60

Abstract: A window-enabled TDC and method of detecting phase of a reference signal. One embodiment of the window-enabled TDC includes: (1) a window generator configured to receive a reference signal and a clock signal, and (2) a TDC circuit coupled to the window generator and configured to be enabled based on the reference signal and disabled based on the clock signal.

Abstract translation: 一种支持窗口的TDC和检测参考信号相位的方法。 启用窗口的TDC的一个实施例包括：（1）窗口生成器，其被配置为接收参考信号和时钟信号，以及（2）TDC电路，其耦合到窗口发生器并且被配置为基于参考信号被使能， 基于时钟信号禁用。