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1. 发明授权

US07633354B2 Multistage tuning-tolerant equalizer filter with improved detection mechanisms for lower and higher frequency gain loops 有权
标题翻译：多级调谐容限均衡器滤波器，具有改进的检测机制，用于较低和较高频率增益环路
公开(公告)号：US07633354B2
公开(公告)日：2009-12-15
申请号：US11991640
申请日：2006-08-31
申请人： Maarten Kuijk , Xavier Maillard , Koen Van den Brande
发明人： Maarten Kuijk , Xavier Maillard , Koen Van den Brande
IPC分类号： H03H7/30 , H03F3/45
CPC分类号： H04L25/03878
摘要： The present invention provides an equalizer filter for compensating a received distorted signal for frequency dependent signal modifications introduced by a transmission channel, the received signal having an amplitude. The filter comprises at least one amplifying compensation stage having a gain and a saturation level, at least one limiting amplifier, and gain control means for controlling the gain of the at least one amplifying compensation stage, the gain control means comprising at least one comparator circuit comparing filtered input and output signals of the limiting amplifier, the at least one comparator circuit comprising a bias current source. The bias current source is adapted to deliver a variable current.
摘要翻译：本发明提供了一种均衡器滤波器，用于补偿由传输信道引入的频率相关信号修改的接收失真信号，所述接收信号具有振幅。滤波器包括至少一个具有增益和饱和电平的放大补偿级，至少一个限幅放大器和用于控制至少一个放大补偿级的增益的增益控制装置，该增益控制装置包括至少一个比较器电路比较限幅放大器的滤波输入和输出信号，所述至少一个比较器电路包括偏置电流源。偏置电流源适于传递可变电流。

2. 发明授权

US08164358B2 Transceiver for single ended communication with low EMI 有权
标题翻译：收发器用于具有低EMI的单端通信
公开(公告)号：US08164358B2
公开(公告)日：2012-04-24
申请号：US12748610
申请日：2010-03-29
申请人： Koen Van Den Brande , Maarten Kuijk
发明人： Koen Van Den Brande , Maarten Kuijk
IPC分类号： H03K17/16 , H04B3/28
CPC分类号： H03K19/018564 , H03K17/162 , H04L25/028
摘要： A cable driver (301) for driving a single ended transmission medium such as a coaxial cable (115) comprising a core (120) and a shield (121) comprises a differential driver (104, 377) comprising a first output (151) for putting a first signal to the core (120) of the single ended transmission medium (115), a second output (152) for putting a second signal to the shield (121) of the single ended transmission medium (115) through a termination resistor (118) having an impedance close to the characteristic impedance (Z0) of the single ended transmission medium (115), and a third output (153) for putting a transmit ground supply signal (GNDT), local to the differential driver, to the shield (121) of the single ended transmission medium (115) through a first high frequency low impedance path (112). In use, the current through the third output (153) will be substantially the inverse of the common mode current through the first and second outputs (151, 152). Hence both the common mode current and its inverse are provided to the single ended transmission medium (115). They cancel each other out and thus advantageously low EMI emissions occur.
摘要翻译：用于驱动单端传输介质（例如同轴电缆）的电缆驱动器（301）包括：芯（120）和屏蔽（121），包括差分驱动器（104,377），包括第一输出（151）将第一信号提供给单端传输介质（115）的核心（120），第二输出端（152），用于通过终端电阻器将第二信号提供给单端传输介质（115）的屏蔽层（121）（118），具有接近单端传输介质（115）的特性阻抗（Z0）的阻抗;以及第三输出（153），用于将位于差分驱动器本地的发送接地电源信号（GNDT）放置到通过第一高频低阻抗路径（112），单端传输介质（115）的屏蔽（121）。在使用中，通过第三输出（153）的电流将基本上是通过第一和第二输出（151,152）的共模电流的倒数。因此，共模电流及其反相都被提供给单端传输介质（115）。它们彼此抵消，从而有利地发生EMI辐射。

3. 发明申请

US20090128239A1 Multistage Tuning-Tolerant Equalizer Filter with Improved Detection Mechanisms for Lower and Higher Frequency Gain Loops 有权
标题翻译：多级调谐耐受均衡器滤波器，具有改进的检测机制，用于较低和较高频率增益环路
公开(公告)号：US20090128239A1
公开(公告)日：2009-05-21
申请号：US11991640
申请日：2006-08-31
申请人： Maarten Kuijk , Xavier Maillard , Koen Van den Brande
发明人： Maarten Kuijk , Xavier Maillard , Koen Van den Brande
IPC分类号： H03F3/45
CPC分类号： H04L25/03878
摘要： The present invention provides an equalizer filter for compensating a received distorted signal for frequency dependent signal modifications introduced by a transmission channel, the received signal having an amplitude. The filter comprises at least one amplifying compensation stage having a gain and a saturation level, at least one limiting amplifier, and gain control means for controlling the gain of the at least one amplifying compensation stage, the gain control means comprising at least one comparator circuit comparing filtered input and output signals of the limiting amplifier, the at least one comparator circuit comprising a bias current source. The bias current source is adapted to deliver a variable current.
摘要翻译：本发明提供了一种均衡器滤波器，用于补偿由传输信道引入的频率相关信号修改的接收失真信号，所述接收信号具有振幅。滤波器包括至少一个具有增益和饱和电平的放大补偿级，至少一个限幅放大器和用于控制至少一个放大补偿级的增益的增益控制装置，该增益控制装置包括至少一个比较器电路比较限幅放大器的滤波输入和输出信号，所述至少一个比较器电路包括偏置电流源。偏置电流源适于传递可变电流。

4. 发明申请

US20100244898A1 TRANSCEIVER FOR SINGLE ENDED COMMUNICATION WITH LOW EMI 有权
标题翻译：具有低EMI的单端通讯收发器
公开(公告)号：US20100244898A1
公开(公告)日：2010-09-30
申请号：US12748610
申请日：2010-03-29
申请人： Koen VAN DEN BRANDE , Maarten Kuijk
发明人： Koen VAN DEN BRANDE , Maarten Kuijk
IPC分类号： H03K19/0175
CPC分类号： H03K19/018564 , H03K17/162 , H04L25/028
摘要： A cable driver (301) for driving a single ended transmission medium such as a coaxial cable (115) comprising a core (120) and a shield (121) comprises a differential driver (104, 377) comprising a first output (151) for putting a first signal to the core (120) of the single ended transmission medium (115), a second output (152) for putting a second signal to the shield (121) of the single ended transmission medium (115) through a termination resistor (118) having an impedance close to the characteristic impedance (Z0) of the single ended transmission medium (115), and a third output (153) for putting a transmit ground supply signal (GNDT), local to the differential driver, to the shield (121) of the single ended transmission medium (115) through a first high frequency low impedance path (112). In use, the current through the third output (153) will be substantially the inverse of the common mode current through the first and second outputs (151, 152). Hence both the common mode current and its inverse are provided to the single ended transmission medium (115). They cancel each other out and thus advantageously low EMI emissions occur.
摘要翻译：用于驱动单端传输介质（例如同轴电缆）的电缆驱动器（301）包括：芯（120）和屏蔽（121），包括差分驱动器（104,377），包括第一输出（151）将第一信号提供给单端传输介质（115）的核心（120），第二输出端（152），用于通过终端电阻器将第二信号提供给单端传输介质（115）的屏蔽层（121）（118），具有接近单端传输介质（115）的特性阻抗（Z0）的阻抗;以及第三输出（153），用于将位于差分驱动器本地的发送接地电源信号（GNDT）放置到通过第一高频低阻抗路径（112），单端传输介质（115）的屏蔽（121）。在使用中，通过第三输出（153）的电流将基本上是通过第一和第二输出（151,152）的共模电流的倒数。因此，共模电流及其反相都被提供给单端传输介质（115）。它们彼此抵消，从而有利地发生EMI辐射。

5. 发明申请

US20090160522A1 DC RESTORATION CIRCUIT ALLOWING SPARSE DATA PATTERNS 审中-公开
标题翻译：直流恢复电路允许微小的数据模式
公开(公告)号：US20090160522A1
公开(公告)日：2009-06-25
申请号：US12338594
申请日：2008-12-18
申请人： Koen VAN DEN BRANDE , Maarten Kuijk , Xavier Maillard
发明人： Koen VAN DEN BRANDE , Maarten Kuijk , Xavier Maillard
IPC分类号： H03L5/00
CPC分类号： H04L25/06
摘要： The present invention provides a device for restoring a DC component in a differential digital data stream. The device comprises a first and second peak detector for detecting peaks in the differential digital data stream, a memory element for storing an average of the first and second detected peak signals during rich data patterns, an error signal selector for error signal selection, and a regulator for negative feedback of a selected error signal. The selected error signal is either the average of the detected peak signals stored on the memory element minus the signal at the output of the first peak detector, or the signal at the output of the second peak detector minus the average of the detected peak signals stored on the memory element.
摘要翻译：本发明提供一种用于恢复差分数字数据流中的DC分量的装置。该装置包括用于检测差分数字数据流中的峰值的第一和第二峰值检测器，用于在富数据模式期间存储第一和第二检测到的峰值信号的平均值的存储元件，用于误差信号选择的误差信号选择器，以及调节器用于所选误差信号的负反馈。选择的误差信号是存储在存储器元件上的检测到的峰值信号的平均值减去第一峰值检测器的输出处的信号，或者在第二峰值检测器的输出处的信号减去存储的检测到的峰值信号的平均值在内存元素上。

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