Switch employing precharge circuits
    1.
    发明授权
    Switch employing precharge circuits 有权
    切换采用预充电电路

    公开(公告)号:US08495273B2

    公开(公告)日:2013-07-23

    申请号:US12838010

    申请日:2010-07-16

    IPC分类号: G06F13/00 G06F3/00

    CPC分类号: G06F13/382

    摘要: In versions 1.1a and 1.2 of the DISPLAYPORT™ standard, capacitors are used between a sourcing circuit and a switch for the auxiliary channel. As a result, these capacitors are generally uncharged when the switch activates the auxiliary channel, which can result in errors. Here, a switch is employed that uses precharge circuits to precharge these capacitors. Thus, errors due to charging of these capacitors can be reduced.

    摘要翻译: 在DISPLAYPORT(TM)标准的1.1a和1.2版本中,电源用于辅助通道的源电路和开关之间。 结果,当开关激活辅助通道时,这些电容器通常是不带电的,这可能导致错误。 这里,采用使用预充电电路对这些电容器进行预充电的开关。 因此,可以减少由于这些电容器的充电引起的误差。

    DISPLAYPORT SWITCH
    2.
    发明申请
    DISPLAYPORT SWITCH 有权
    显示开关

    公开(公告)号:US20120013390A1

    公开(公告)日:2012-01-19

    申请号:US12838010

    申请日:2010-07-16

    IPC分类号: H03K17/687

    CPC分类号: G06F13/382

    摘要: In versions 1.1a and 1.2 of the DISPLAYPORT™ standard, capacitors are used between a sourcing circuit and a switch for the auxiliary channel. As a result, these capacitors are generally uncharged when the switch activates the auxiliary channel, which can result in errors. Here, a switch is employed that uses precharge circuits to precharge these capacitors. Thus, errors due to charging of these capacitors can be reduced.

    摘要翻译: 在DISPLAYPORT™标准的1.1a和1.2版本中,电源用于辅助通道的采样电路和开关之间。 结果,当开关激活辅助通道时,这些电容器通常是不带电的,这可能导致错误。 这里,采用使用预充电电路对这些电容器进行预充电的开关。 因此,可以减少由于这些电容器的充电引起的误差。

    OSCILLATOR WITH DELAY COMPENSATION
    3.
    发明申请
    OSCILLATOR WITH DELAY COMPENSATION 有权
    振荡器延迟补偿

    公开(公告)号:US20100090772A1

    公开(公告)日:2010-04-15

    申请号:US12250340

    申请日:2008-10-13

    IPC分类号: H03K3/02

    CPC分类号: H03K3/0231 H03K3/011

    摘要: In the many microelectronics applications, delays present in circuitry can affect both the design and the function of the circuitry. One example of delays impacting the function of a circuit is a relaxation oscillator, where delays present in comparator circuits and latches can cause its frequency to vary beyond desired ranges. Here, a relaxation circuit with delay compensation is described.

    摘要翻译: 在许多微电子应用中,电路中存在的延迟会影响电路的设计和功能。 影响电路功能的延迟的一个例子是张弛振荡器,其中存在于比较器电路和锁存器中的延迟可导致其频率变化超出期望的范围。 这里描述具有延迟补偿的弛豫电路。

    Oscillator with delay compensation
    4.
    发明授权
    Oscillator with delay compensation 有权
    具有延迟补偿的振荡器

    公开(公告)号:US07847648B2

    公开(公告)日:2010-12-07

    申请号:US12250340

    申请日:2008-10-13

    IPC分类号: H03K3/02

    CPC分类号: H03K3/0231 H03K3/011

    摘要: In the many microelectronics applications, delays present in circuitry can affect both the design and the function of the circuitry. One example of delays impacting the function of a circuit is a relaxation oscillator, where delays present in comparator circuits and latches can cause its frequency to vary beyond desired ranges. Here, a relaxation circuit with delay compensation is described.

    摘要翻译: 在许多微电子应用中,电路中存在的延迟会影响电路的设计和功能。 影响电路功能的延迟的一个例子是张弛振荡器,其中存在于比较器电路和锁存器中的延迟可导致其频率变化超出期望的范围。 这里描述具有延迟补偿的弛豫电路。

    Linear system for link training
    5.
    发明授权
    Linear system for link training 有权
    用于链接训练的线性系统

    公开(公告)号:US08681848B2

    公开(公告)日:2014-03-25

    申请号:US13284690

    申请日:2011-10-28

    IPC分类号: H03H7/30 H03H7/40 H03K5/159

    CPC分类号: H04L27/01

    摘要: An apparatus for equalizing channels is provided, which is generally transparent to link training. The apparatus generally includes equalization paths formed by an input circuit, a crossbar, and an output circuit and a controller. Each equalization path is coupled to at least one of the channels, and a controller has a VGA loop, a crossbar loop, and a driver loop. The AGC loop receives a first reference voltage and provides a gain control signal to the input circuit, and the gain control network comprises a replica of at least one of the equalization paths. The crossbar loop receives a second reference voltage and provides a crossbar control signal to the crossbar. The driver loop receives a third reference voltage and provides a driver control signal for the output circuit.

    摘要翻译: 提供了用于均衡通道的装置,其对于链接训练通常是透明的。 该装置通常包括由输入电路,交叉开关和输出电路以及控制器形成的均衡路径。 每个均衡路径耦合到至少一个通道,并且控制器具有VGA环路,交叉开环和驱动器环路。 AGC环路接收第一参考电压并向输入电路提供增益控制信号,并且增益控制网络包括至少一个均衡路径的副本。 交叉开环接收第二参考电压,并向横杆提供交叉开关控制信号。 驱动器回路接收第三参考电压并为输出电路提供驱动器控制信号。

    LINEAR SYSTEM FOR LINK TRAINING
    6.
    发明申请
    LINEAR SYSTEM FOR LINK TRAINING 有权
    用于链接训练的线性系统

    公开(公告)号:US20130107933A1

    公开(公告)日:2013-05-02

    申请号:US13284690

    申请日:2011-10-28

    IPC分类号: H03H7/40 H03F3/68 H03F3/45

    CPC分类号: H04L27/01

    摘要: An apparatus for equalizing channels is provided, which is generally transparent to link training. The apparatus generally includes equalization paths formed by an input circuit, a crossbar, and an output circuit and a controller. Each equalization path is coupled to at least one of the channels, and a controller has a VGA loop, a crossbar loop, and a driver loop. The AGC loop receives a first reference voltage and provides a gain control signal to the input circuit, and the gain control network comprises a replica of at least one of the equalization paths. The crossbar loop receives a second reference voltage and provides a crossbar control signal to the crossbar. The driver loop receives a third reference voltage and provides a driver control signal for the output circuit.

    摘要翻译: 提供了用于均衡通道的装置,其对于链接训练通常是透明的。 该装置通常包括由输入电路,交叉开关和输出电路以及控制器形成的均衡路径。 每个均衡路径耦合到至少一个通道,并且控制器具有VGA环路,交叉开环和驱动器环路。 AGC环路接收第一参考电压并向输入电路提供增益控制信号,并且增益控制网络包括至少一个均衡路径的副本。 交叉开环接收第二参考电压,并向横杆提供交叉开关控制信号。 驱动器回路接收第三参考电压并为输出电路提供驱动器控制信号。

    Apparatus and method for compensating operating current in an amplifier when supply voltage varies
    8.
    发明授权
    Apparatus and method for compensating operating current in an amplifier when supply voltage varies 有权
    当电源电压变化时,补偿放大器工作电流的装置和方法

    公开(公告)号:US07012467B2

    公开(公告)日:2006-03-14

    申请号:US10796954

    申请日:2004-03-10

    IPC分类号: H03F3/45

    CPC分类号: H03F3/45085 H03F3/45484

    摘要: An apparatus for compensating operating current in an amplifier device when supply voltage to the amplifier device decreases below a predetermined value at an input voltage supply locus includes: (a) A first control circuit coupled with the input voltage supply locus. The first control circuit generates an output signal at an output locus when the supply voltage decreases below the predetermined value. (b) A second control circuit coupled with the output locus and coupled with the amplifier device. The second control circuit effects the compensating in response to the output signal.

    摘要翻译: 一种用于在放大器装置的电源电压降低到输入电压供应轨迹下的预定值时补偿放大器装置中的工作电流的装置包括:(a)与输入电压供应轨迹相连的第一控制电路。 当电源电压降低到预定值以下时,第一控制电路在输出轨迹处产生输出信号。 (b)与输出轨迹耦合并与放大器装置耦合的第二控制电路。 第二控制电路响应于输出信号而进行补偿。

    Apparatus and method for handling interdevice signaling
    9.
    发明申请
    Apparatus and method for handling interdevice signaling 有权
    用于处理信号间隔信号的装置和方法

    公开(公告)号:US20050242846A1

    公开(公告)日:2005-11-03

    申请号:US10836522

    申请日:2004-04-30

    IPC分类号: H03B1/00 H03K19/017

    CPC分类号: H03K19/01707

    摘要: An apparatus for handling signaling between a sending device and a receiving device includes: (a) a buffering amplifier device having at least one input locus for receiving an input signal from the receiving device and having at least one output locus for presenting an output signal for the receiving device; each respective at least one output locus presents an output signal in response to the input signal received at a respective input locus of the at least one input locus; (b) a feed forward circuit coupling each respective input locus with its respective corresponding output locus to provide a feed forward signal to the respective corresponding output locus; the feed forward signal is in phase with the input signal received at the respective input locus.

    摘要翻译: 一种用于在发送设备和接收设备之间处理信令的设备包括:(a)缓冲放大器设备,具有至少一个输入轨迹,用于接收来自接收设备的输入信号,并具有至少一个输出轨迹,用于呈现输出信号, 接收设备; 每个相应的至少一个输出轨迹响应于在所述至少一个输入轨迹的相应输入轨迹处接收的输入信号而呈现输出信号; (b)将每个相应的输入轨迹与其各自对应的输出轨迹耦合的前馈电路,以向相应的输出轨迹提供前馈信号; 前馈信号与在相应输入轨迹处接收的输入信号同相。

    System and method of crossover determination in differential pair and bondwire pairs to minimize crosstalk
    10.
    发明授权
    System and method of crossover determination in differential pair and bondwire pairs to minimize crosstalk 有权
    在差分对和接线对中交叉确定的系统和方法,以尽可能减少串扰

    公开(公告)号:US08769469B1

    公开(公告)日:2014-07-01

    申请号:US13728196

    申请日:2012-12-27

    IPC分类号: G06F17/50

    摘要: A system is provided for use with circuit layout design data having a set of differential pairs and a set of bond wire pairs. A layout portion can receive the circuit layout design data. A crosstalk calculating portion can determine a first amount of crosstalk in a circuit corresponding to the circuit layout design data. A modifier can modify the circuit layout design data into modified circuit layout design data such that one of the set of differential pairs and the set of bond wire pairs includes a crossover. The crosstalk calculating portion can further determine a second amount of crosstalk in a circuit corresponding to the modified circuit layout design data. An optimizer can compare the first amount of crosstalk with the second amount of crosstalk to generate optimized circuit layout design data. A layout designer can output the optimized circuit layout design data.

    摘要翻译: 提供了一种用于具有一组差分对和一组键合线对的电路布局设计数据的系统。 布局部分可以接收电路布局设计数据。 串扰计算部分可以确定与电路布局设计数据相对应的电路中的第一串扰量。 修改器可以将电路布局设计数据修改为修改的电路布局设计数据,使得该组差分对和该组接合线对中的一个包括交叉。 串扰计算部分还可以确定对应于修改的电路布局设计数据的电路中的第二串扰量。 优化器可以将第一量级串扰与第二量级串扰进行比较,以产生优化的电路布局设计数据。 布局设计师可以输出优化的电路布局设计数据。