公开(公告)号：US20140266497A1

公开(公告)日：2014-09-18

申请号：US13887720

申请日：2013-05-06

Applicant: LSI Corporation

Inventor： Jun Tian ,  Angelo R. Mastrocola ,  Rodney J. Steffes ,  Douglas J. Spannring ,  Ming Chen

IPC: H01P1/10 ,  H01P1/15

CPC classification number: H03H7/06 ,  H01P1/10 ,  H03K17/165 ,  H03K17/6871 ,  H03K2217/0009

Abstract: A coupling apparatus having plurality of branches and a resistive element is disclosed. Each branch may be configured to couple at least one of (i) a first input node and (ii) a second input node to a first output node through a plurality of switches and a plurality of capacitors. The resistive element generally connects the first output node to a second output node. The first output node may be loaded by a respective parasitic capacitance of at least one of the switches.

Abstract translation: 公开了具有多个分支和电阻元件的耦合装置。 每个分支可以被配置为通过多个开关和多个电容器将（i）第一输入节点和（ii）第二输入节点中的至少一个耦合到第一输出节点。 电阻元件通常将第一输出节点连接到第二输出节点。 第一输出节点可以由至少一个开关的相应寄生电容加载。

公开(公告)号：US08929013B1

公开(公告)日：2015-01-06

申请号：US14085816

申请日：2013-11-21

Applicant: LSI Corporation

Inventor： Angelo R. Mastrocola ,  David W. Kelly ,  Ross S. Wilson ,  Jason P. Brenden

IPC: G11B5/09 ,  G11B5/02

CPC classification number: G11B5/02 ,  G11B20/10222

Abstract: A storage system with pattern dependent write includes a magnetic write head, a magnetic storage medium, a read channel operable to process write data to be recorded on the magnetic storage medium by the magnetic write head, and a preamplifier operable to receive the write data and an associated clock from the read channel, to generate a pattern dependent write control signal based on a pattern in the write data and on the clock, and to set a write current level through the magnetic write head to a number of different current levels based on the pattern dependent write control signal.

Abstract translation: 具有图案相关写入的存储系统包括磁写头，磁存储介质，可操作以通过磁写头处理要记录在磁存储介质上的写数据的读通道，以及可用于接收写数据的前置放大器 来自读通道的相关时钟，基于写入数据和时钟中的模式产生与模式相关的写入控制信号，并且通过磁性写入头将写入电流电平设置为基于 模式相关的写入控制信号。

公开(公告)号：US09264009B2

公开(公告)日：2016-02-16

申请号：US13887720

申请日：2013-05-06

Applicant: LSI Corporation

Inventor： Jun Tian ,  Angelo R. Mastrocola ,  Rodney J. Steffes ,  Douglas J. Spannring ,  Ming Chen

IPC: H03H7/06 ,  H01P1/10 ,  H03K17/16 ,  H03K17/687

CPC classification number: H03H7/06 ,  H01P1/10 ,  H03K17/165 ,  H03K17/6871 ,  H03K2217/0009

Abstract: A coupling apparatus having plurality of branches and a resistive element is disclosed. Each branch may be configured to couple at least one of (i) a first input node and (ii) a second input node to a first output node through a plurality of switches and a plurality of capacitors. The resistive element generally connects the first output node to a second output node. The first output node may be loaded by a respective parasitic capacitance of at least one of the switches.

Abstract translation: 公开了具有多个分支和电阻元件的耦合装置。 每个分支可以被配置为通过多个开关和多个电容器将（i）第一输入节点和（ii）第二输入节点中的至少一个耦合到第一输出节点。 电阻元件通常将第一输出节点连接到第二输出节点。 第一输出节点可以由至少一个开关的相应寄生电容加载。

公开(公告)号：US20140266395A1

公开(公告)日：2014-09-18

申请号：US13887665

申请日：2013-05-06

Applicant: LSI Corporation

Inventor： Jun Tian ,  Angelo R. Mastrocola ,  Rodney J. Steffes ,  Douglas J. Spannring ,  Ming Chen

IPC: H03K17/16

CPC classification number: H03H7/06 ,  H01P1/10 ,  H03K17/165 ,  H03K17/6871 ,  H03K2217/0009

Abstract: A coupling apparatus having a first branch and a second branch is disclosed. The first branch generally comprises (A) a first switch group configured to connect an input signal to an output node through a first capacitor, and (B) second switch group configured to connect either (i) a second signal, or (ii) a ground voltage, to the output node through a second capacitor. The second branch generally comprises (A) a third switch group configured to connect the input signal to the output node through a third capacitor, and (B) a fourth switch group configured to connect either (i) the second signal, or (ii) the ground voltage, to the output node through a fourth capacitor.

Abstract translation: 公开了具有第一分支和第二分支的耦合装置。 第一分支通常包括：（A）第一开关组，被配置为通过第一电容器将输入信号连接到输出节点;以及（B）第二开关组，被配置为连接（i）第二信号或（ii） 接地电压，通过第二电容器输出到输出节点。 第二分支通常包括：（A）第三开关组，被配置为通过第三电容器将输入信号连接到输出节点;以及（B）第四开关组，被配置为连接（i）第二信号，或（ii） 接地电压，通过第四个电容输出到输出节点。

公开(公告)号：US09129651B2

公开(公告)日：2015-09-08

申请号：US14048897

申请日：2013-10-08

Applicant: LSI Corporation

Inventor： George Mathew ,  Angelo R. Mastrocola ,  Robert A. Greene

IPC: G11B5/02 ,  G11B20/06 ,  G11B20/08 ,  G11B5/09 ,  G11B20/10

CPC classification number: G11B20/10268 ,  G11B20/10009 ,  G11B20/10018 ,  G11B20/10046

Abstract: A magnetic recording system includes an array of analog inputs operable to receive analog signals retrieved from a magnetic storage medium, a quadrature amplitude modulator operable to combine the analog signals to yield a quadrature amplitude modulated signal, a quadrature amplitude demodulator operable to yield a plurality of demodulated signals from the quadrature amplitude modulated signal corresponding to each channel of the array, and a joint equalizer operable to filter the plurality of demodulated signals to yield an equalized output.

Abstract translation: 磁记录系统包括可操作以接收从磁存储介质检索的模拟信号的模拟输入阵列，可用于组合模拟信号以产生正交幅度调制信号的正交幅度调制器，正交幅度解调器，其可操作以产生多个 来自与阵列的每个通道对应的正交幅度调制信号的解调信号，以及联合均衡器，可操作以对多个解调信号进行滤波以产生均衡的输出。

公开(公告)号：US20150062730A1

公开(公告)日：2015-03-05

申请号：US14048897

申请日：2013-10-08

Applicant: LSI Corporation

Inventor： George Mathew ,  Angelo R. Mastrocola ,  Robert A. Greene

IPC: G11B20/10

CPC classification number: G11B20/10268 ,  G11B20/10009 ,  G11B20/10018 ,  G11B20/10046

Abstract: A magnetic recording system includes an array of analog inputs operable to receive analog signals retrieved from a magnetic storage medium, a quadrature amplitude modulator operable to combine the analog signals to yield a quadrature amplitude modulated signal, a quadrature amplitude demodulator operable to yield a plurality of demodulated signals from the quadrature amplitude modulated signal corresponding to each channel of the array, and a joint equalizer operable to filter the plurality of demodulated signals to yield an equalized output.

Abstract translation: 磁记录系统包括可操作以接收从磁存储介质检索的模拟信号的模拟输入阵列，可用于组合模拟信号以产生正交幅度调制信号的正交幅度调制器，正交幅度解调器，其可操作以产生多个 来自与阵列的每个通道对应的正交幅度调制信号的解调信号，以及联合均衡器，可操作以对多个解调信号进行滤波以产生均衡的输出。

公开(公告)号：US08941433B2

公开(公告)日：2015-01-27

申请号：US13887665

申请日：2013-05-06

Applicant: LSI Corporation

Inventor： Jun Tian ,  Angelo R. Mastrocola ,  Rodney J. Steffes ,  Douglas J. Spannring ,  Ming Chen

IPC: G06G7/18

CPC classification number: H03H7/06 ,  H01P1/10 ,  H03K17/165 ,  H03K17/6871 ,  H03K2217/0009

Abstract: A coupling apparatus having a first branch and a second branch is disclosed. The first branch generally comprises (A) a first switch group configured to connect an input signal to an output node through a first capacitor, and (B) second switch group configured to connect either (i) a second signal, or (ii) a ground voltage, to the output node through a second capacitor. The second branch generally comprises (A) a third switch group configured to connect the input signal to the output node through a third capacitor, and (B) a fourth switch group configured to connect either (i) the second signal, or (ii) the ground voltage, to the output node through a fourth capacitor.

Abstract translation: 公开了具有第一分支和第二分支的耦合装置。 第一分支通常包括：（A）第一开关组，被配置为通过第一电容器将输入信号连接到输出节点;以及（B）第二开关组，被配置为连接（i）第二信号或（ii） 接地电压，通过第二电容器输出到输出节点。 第二分支通常包括：（A）第三开关组，被配置为通过第三电容器将输入信号连接到输出节点;以及（B）第四开关组，被配置为连接（i）第二信号，或（ii） 接地电压，通过第四个电容输出到输出节点。