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公开(公告)号：US09025678B2
公开(公告)日：2015-05-05
申请号：US13460732
申请日：2012-04-30
申请人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
发明人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
IPC分类号： H04B3/00 , H04L25/00 , H04L25/06 , H04L25/497
CPC分类号： H04L25/03057 , H04L7/0276 , H04L25/063 , H04L25/497 , H04L2025/03369 , H04L2025/03503
摘要： A signaling system is described. The signaling system comprises a transmit device, a receive device including a partial response receive circuit, and a signaling path coupling the transmit device and the receive device. The receive device observes an equalized signal from the signaling path, and includes circuitry to use feedback from the most recent previously resolved symbol to sample a currently incoming symbol. The transmit device equalizes transmit data to transmit the equalized signal, by applying weighting based on one or more data values not associated with the most recent previously resolved symbol value.
摘要翻译： 描述信令系统。 信令系统包括发送设备，包括部分响应接收电路的接收设备以及耦合发送设备和接收设备的信令路径。 接收设备观察来自信令路径的均衡信号，并且包括使用来自最近先前解析的符号的反馈来采样当前输入符号的电路。 发送装置通过基于与最近先前分辨的符号值不相关的一个或多个数据值应用加权来均衡发送数据以发送均衡信号。
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公开(公告)号：US08428196B2
公开(公告)日：2013-04-23
申请号：US13469685
申请日：2012-05-11
申请人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
发明人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
IPC分类号： H04L27/06
CPC分类号： H04L25/03057 , H04L7/0276 , H04L25/063 , H04L25/497 , H04L2025/03369 , H04L2025/03503
摘要： A signaling system is described. The signaling system comprises a transmit device, a receive device including a partial response receive circuit, and a signaling path coupling the transmit device and the receive device. The receive device observes an equalized signal from the signaling path, and includes circuitry to use feedback from the most recent previously resolved symbol to sample a currently incoming symbol. The transmit device equalizes transmit data to transmit the equalized signal, by applying weighting based on one or more data values not associated with the most recent previously resolved symbol value.
摘要翻译： 描述信令系统。 信令系统包括发送设备，包括部分响应接收电路的接收设备以及耦合发送设备和接收设备的信令路径。 接收设备观察来自信令路径的均衡信号，并且包括使用来自最近先前解析的符号的反馈来采样当前输入符号的电路。 发送装置通过基于与最近先前分辨的符号值不相关的一个或多个数据值应用加权来均衡发送数据以发送均衡信号。
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公开(公告)号：US08170163B2
公开(公告)日：2012-05-01
申请号：US12710615
申请日：2010-02-23
申请人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
发明人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
IPC分类号： H04B1/10
CPC分类号： H04L25/03057 , H04L7/0276 , H04L25/063 , H04L25/497 , H04L2025/03369 , H04L2025/03503
摘要： A signaling system is described. The signaling system comprises a transmit device, a receive device including a partial response receive circuit, and a signaling path coupling the transmit device and the receive device. The receive device observes an equalized signal from the signaling path, and includes circuitry to use feedback from the most recent previously resolved symbol to sample a currently incoming symbol. The transmit device equalizes transmit data to transmit the equalized signal, by applying weighting based on one or more data values not associated with the most recent previously resolved symbol value.
摘要翻译： 描述信令系统。 信令系统包括发送设备，包括部分响应接收电路的接收设备以及耦合发送设备和接收设备的信令路径。 接收设备观察来自信令路径的均衡信号，并且包括使用来自最近先前解析的符号的反馈来采样当前输入符号的电路。 发送装置通过基于与最近先前分辨的符号值不相关的一个或多个数据值应用加权来均衡发送数据以发送均衡信号。
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公开(公告)号：US07397848B2
公开(公告)日：2008-07-08
申请号：US10662872
申请日：2003-09-16
申请人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
发明人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
CPC分类号： H04L25/03057 , H04L7/0276 , H04L25/063 , H04L25/497 , H04L2025/03369 , H04L2025/03503
摘要： A receive circuit for receiving a signal transmitted via an electric signal conductor. A first sampling circuit generates a first sample value that indicates whether the signal exceeds a first threshold level, and a second sampling circuit generates a second sample value that indicates whether the signal exceeds a second threshold level. A first select circuit receives the first and second sample values from the first and second sampling circuits and selects, according to a previously generated sample value, either the first sample value or the second sample value to be output as a selected sample value.
摘要翻译： 用于接收经由电信号导体发送的信号的接收电路。 第一采样电路产生指示信号是否超过第一阈值电平的第一采样值，并且第二采样电路产生指示信号是否超过第二阈值电平的第二采样值。 第一选择电路从第一和第二采样电路接收第一和第二采样值，并根据先前产生的采样值选择作为选择的采样值输出的第一采样值或第二采样值。
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公开(公告)号：US07715509B2
公开(公告)日：2010-05-11
申请号：US12403340
申请日：2009-03-12
申请人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
发明人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
IPC分类号： H04L7/00
CPC分类号： H04L25/03057 , H04L7/0276 , H04L25/063 , H04L25/497 , H04L2025/03369 , H04L2025/03503
摘要： A receive circuit for receiving a signal transmitted via an electric signal conductor. A first sampling circuit generates a first sample value that indicates whether the signal exceeds a first threshold level, and a second sampling circuit generates a second sample value that indicates whether the signal exceeds a second threshold level. A first select circuit receives the first and second sample values from the first and second sampling circuits and selects, according to a previously generated sample value, either the first sample value or the second sample value to be output as a selected sample value.
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公开(公告)号：US07715501B2
公开(公告)日：2010-05-11
申请号：US10966070
申请日：2004-10-18
申请人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
发明人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
IPC分类号： H04L27/06
CPC分类号： H04L25/03057 , H04L7/0276 , H04L25/063 , H04L25/497 , H04L2025/03369 , H04L2025/03503
摘要： A receive circuit for receiving a signal transmitted via an electric signal conductor. A first sampling circuit generates a first sample value that indicates whether the signal exceeds a first threshold level, and a second sampling circuit generates a second sample value that indicates whether the signal exceeds a second threshold level. A first select circuit receives the first and second sample values from the first and second sampling circuits and selects, according to a previously generated sample value, either the first sample value or the second sample value to be output as a selected sample value.
摘要翻译： 用于接收经由电信号导体发送的信号的接收电路。 第一采样电路产生指示信号是否超过第一阈值电平的第一采样值，并且第二采样电路产生指示信号是否超过第二阈值电平的第二采样值。 第一选择电路从第一和第二采样电路接收第一和第二采样值，并根据先前产生的采样值选择作为选择的采样值输出的第一采样值或第二采样值。
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公开(公告)号：US07706480B2
公开(公告)日：2010-04-27
申请号：US12508030
申请日：2009-07-23
申请人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
发明人： Vladimir M. Stojanovic , Mark A. Horowitz , Jared L. Zerbe , Anthony Bessios , Andrew C. C. Ho , Jason C. Wei , Grace Tsang , Bruno W. Garlepp
IPC分类号： H04L27/06
CPC分类号： H04L25/03057 , H04L7/0276 , H04L25/063 , H04L25/497 , H04L2025/03369 , H04L2025/03503
摘要： An integrated circuit device having a receive circuit is disclosed. The receive circuit generates first and second sets of samples of incoming symbols during first and second time intervals, respectively. A select circuit selects, based at least in part on the first set of samples, at least one sample from the second set to be output as a received data value. The integrated circuit device further includes a transmit circuit to generate an output symbol during a third time interval. The output symbol has an amplitude based, at least in part, on a transmit data value for which an output symbol was generated during a time interval prior to the third time interval.
摘要翻译： 公开了一种具有接收电路的集成电路装置。 接收电路分别在第一和第二时间间隔期间产生输入符号的第一和第二组样本。 选择电路至少部分地基于第一组采样选择要作为接收数据值输出的来自第二组的至少一个采样。 集成电路装置还包括在第三时间间隔期间产生输出符号的发送电路。 输出符号至少部分地基于在第三时间间隔之前的时间间隔期间产生输出符号的发送数据值。
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公开(公告)号：US07126378B2
公开(公告)日：2006-10-24
申请号：US10740087
申请日：2003-12-17
申请人： Vladimir M. Stojanovic , Andrew C. C. Ho , Anthony Bessios , Fred F. Chen , Elad Alon , Mark A. Horowitz
发明人： Vladimir M. Stojanovic , Andrew C. C. Ho , Anthony Bessios , Fred F. Chen , Elad Alon , Mark A. Horowitz
IPC分类号： H03K19/0175
CPC分类号： H04L25/49 , H04B1/04 , H04B1/0475 , H04B2001/0416 , H04L25/025 , H04L25/028 , H04L25/0282 , H04L25/03019 , H04L25/03343 , H04L25/03885 , H04L25/061 , H04L25/4917 , H04L2025/03363 , H04L2025/03802
摘要： A signaling system having first and second sampling circuits and an output driver circuit. The first sampling circuit samples a first signal generated by the output driver circuit to determine whether the first signal exceeds a first threshold. The second sampling circuit samples the first signal to determine whether the first signal exceeds a second threshold. The drive strength of the output driver circuit is adjusted based, at least in part, on whether the first signal exceeds the first and second thresholds, and the second threshold is adjusted based, at least in part, on whether the first signal exceeds the second threshold.
摘要翻译： 一种具有第一和第二采样电路和输出驱动电路的信号系统。 第一采样电路对由输出驱动器电路产生的第一信号进行采样，以确定第一信号是否超过第一阈值。 第二采样电路对第一信号进行采样以确定第一信号是否超过第二阈值。 至少部分地基于第一信号是否超过第一和第二阈值来调整输出驱动器电路的驱动强度，并且至少部分地基于第一信号是否超过第二信号来调整第二阈值 阈。
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公开(公告)号：US08183887B2
公开(公告)日：2012-05-22
申请号：US12693285
申请日：2010-01-25
申请人： Vladimir M. Stojanovic , Andrew C. C. Ho , Anthony Bessios , Fred F. Chen , Elad Alon , Mark A. Horowitz
发明人： Vladimir M. Stojanovic , Andrew C. C. Ho , Anthony Bessios , Fred F. Chen , Elad Alon , Mark A. Horowitz
IPC分类号： H03K19/0175
CPC分类号： H04L25/49 , H04B1/04 , H04B1/0475 , H04B2001/0416 , H04L25/025 , H04L25/028 , H04L25/0282 , H04L25/03019 , H04L25/03343 , H04L25/03885 , H04L25/061 , H04L25/4917 , H04L2025/03363 , H04L2025/03802
摘要： A high-speed signaling system with adaptive transmit pre-emphasis. A transmit circuit has a plurality of output drivers to output a first signal onto a signal path. A receive circuit is coupled to receive the first signal via the signal path and configured to generate an indication of whether the first signal exceeds a threshold level. A first threshold control circuit is coupled to receive the indication from the receive circuit and configured to adjust the threshold level according to whether the first signal exceeds the threshold level. A drive strength control circuit is coupled to receive the indication from the receive circuit and configured to adjust a drive strength of at least one output driver of the plurality of output drivers according to whether the first signal exceeds the threshold level.
摘要翻译： 具有自适应发送预加重的高速信号系统。 发射电路具有多个输出驱动器，以将第一信号输出到信号路径上。 接收电路被耦合以经由信号路径接收第一信号并被配置为生成第一信号是否超过阈值电平的指示。 第一阈值控制电路被耦合以从接收电路接收指示，并且被配置为根据第一信号是否超过阈值电平来调整阈值电平。 驱动强度控制电路被耦合以从接收电路接收指示，并且被配置为根据第一信号是否超过阈值电平来调整多个输出驱动器中的至少一个输出驱动器的驱动强度。
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公开(公告)号：US20120288027A1
公开(公告)日：2012-11-15
申请号：US13476247
申请日：2012-05-21
申请人： Vladimir M. Stojanovic , Andrew C. C. Ho , Anthony Bessios , Fred F. Chen , Elad Alon , Mark A. Horowitz
发明人： Vladimir M. Stojanovic , Andrew C. C. Ho , Anthony Bessios , Fred F. Chen , Elad Alon , Mark A. Horowitz
IPC分类号： H04B1/04
CPC分类号： H04L25/49 , H04B1/04 , H04B1/0475 , H04B2001/0416 , H04L25/025 , H04L25/028 , H04L25/0282 , H04L25/03019 , H04L25/03343 , H04L25/03885 , H04L25/061 , H04L25/4917 , H04L2025/03363 , H04L2025/03802
摘要： A high-speed signaling system with adaptive transmit pre-emphasis. A transmit circuit has a plurality of output drivers to output a first signal onto a signal path. A receive circuit is coupled to receive the first signal via the signal path and configured to generate an indication of whether the first signal exceeds a threshold level. A first threshold control circuit is coupled to receive the indication from the receive circuit and configured to adjust the threshold level according to whether the first signal exceeds the threshold level. A drive strength control circuit is coupled to receive the indication from the receive circuit and configured to adjust a drive strength of at least one output driver of the plurality of output drivers according to whether the first signal exceeds the threshold level.
摘要翻译： 具有自适应发送预加重的高速信号系统。 发射电路具有多个输出驱动器，以将第一信号输出到信号路径上。 接收电路被耦合以经由信号路径接收第一信号并被配置为生成第一信号是否超过阈值电平的指示。 第一阈值控制电路被耦合以从接收电路接收指示，并且被配置为根据第一信号是否超过阈值电平来调整阈值电平。 驱动强度控制电路被耦合以从接收电路接收指示，并且被配置为根据第一信号是否超过阈值电平来调整多个输出驱动器中的至少一个输出驱动器的驱动强度。
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