公开(公告)号：US20070001882A1

公开(公告)日：2007-01-04

申请号：US11477531

申请日：2006-06-30

申请人： Peng-Zhan Zhang ,  Li-Jun Gu ,  Ran Ding

发明人： Peng-Zhan Zhang ,  Li-Jun Gu ,  Ran Ding

IPC分类号： H03M3/00

CPC分类号： H03L7/18

摘要： The present invention is to provide a method and circuit for producing spread spectrum and over clock, which includes a primary circuit and a secondary circuit, wherein the primary circuit uses a frequency division technique based on phase swallow to achieve a high frequency resolution clock signal, and the secondary circuit multiplies the frequency of the output clock signal of the primary circuit, so as to expand its frequency range.

摘要翻译： 本发明提供一种用于产生扩展频谱和超时钟的方法和电路，其包括初级电路和次级电路，其中主电路使用基于相位吞吐的频分技术来实现高频分辨率时钟信号， 并且次级电路将初级电路的输出时钟信号的频率相乘，以扩大其频率范围。

公开(公告)号：US07495496B2

公开(公告)日：2009-02-24

申请号：US11477531

申请日：2006-06-30

申请人： Peng-Zhan Zhang ,  Li-Jun Gu ,  Ran Ding

发明人： Peng-Zhan Zhang ,  Li-Jun Gu ,  Ran Ding

IPC分类号： G06F1/04

CPC分类号： H03L7/18

摘要： The present invention is to provide a method and circuit for producing spread spectrum and over clock, which includes a primary circuit and a secondary circuit, wherein the primary circuit uses a frequency division technique based on phase swallow to achieve a high frequency resolution clock signal, and the secondary circuit multiplies the frequency of the output clock signal of the primary circuit, so as to expand its frequency range.

摘要翻译： 本发明提供一种用于产生扩展频谱和超时钟的方法和电路，其包括初级电路和次级电路，其中主电路使用基于相位吞吐的频分技术来实现高频分辨率时钟信号， 并且次级电路将初级电路的输出时钟信号的频率相乘，以扩大其频率范围。

公开(公告)号：US20070139123A1

公开(公告)日：2007-06-21

申请号：US11566017

申请日：2006-12-01

申请人： Jian Liu ,  Peng-Zhan Zhang

发明人： Jian Liu ,  Peng-Zhan Zhang

IPC分类号： H03F3/191

CPC分类号： G11C7/1051 ,  G11C7/1057 ,  H03K19/0005 ,  H03K19/00384 ,  H04L25/0278

摘要： An apparatus for impedance matching circuit is disclosed. The impedance matching apparatus has an output driver for outputting an output signal and includes an output data generator, for generating an output data signal; an output stage, for generating the output signal according to the output data signal, and receiving a first control signal to adjust an impendence of the output stage; an impendence unit, electrically coupled to the output stage, for receiving a second control signal to adjust an impedance of the impedance unit; and a calibration circuit electrically coupled to the output stage and the impedance unit, for outputting the first control signal and the second control signal to respectively control the output stage and the impedance unit such that a sum of impedances of the output stage and the impedance unit is adjusted to compensate an environment factor of the chip.

摘要翻译： 公开了一种用于阻抗匹配电路的装置。 阻抗匹配装置具有用于输出输出信号的输出驱动器，并且包括用于产生输出数据信号的输出数据发生器; 输出级，用于根据输出数据信号产生输出信号，以及接收第一控制信号以调整输出级的阻抗; 阻抗单元，电耦合到输出级，用于接收第二控制信号以调整阻抗单元的阻抗; 以及电耦合到输出级和阻抗单元的校准电路，用于输出第一控制信号和第二控制信号以分别控制输出级和阻抗单元，使得输出级和阻抗单元的阻抗之和 被调整以补偿芯片的环境因素。

公开(公告)号：US07696775B2

公开(公告)日：2010-04-13

申请号：US11566017

申请日：2006-12-01

申请人： Liu Jian ,  Peng-Zhan Zhang

发明人： Liu Jian ,  Peng-Zhan Zhang

IPC分类号： H03K17/16 ,  H03K19/003

CPC分类号： G11C7/1051 ,  G11C7/1057 ,  H03K19/0005 ,  H03K19/00384 ,  H04L25/0278

摘要： An apparatus for impedance matching circuit is disclosed. The impedance matching apparatus has an output driver for outputting an output signal and includes an output data generator, for generating an output data signal; an output stage, for generating the output signal according to the output data signal, and receiving a first control signal to adjust an impendence of the output stage; an impendence unit, electrically coupled to the output stage, for receiving a second control signal to adjust an impedance of the impedance unit; and a calibration circuit electrically coupled to the output stage and the impedance unit, for outputting the first control signal and the second control signal to respectively control the output stage and the impedance unit such that a sum of impedances of the output stage and the impedance unit is adjusted to compensate an environment factor of the chip.

摘要翻译： 公开了一种用于阻抗匹配电路的装置。 阻抗匹配装置具有用于输出输出信号的输出驱动器，并且包括用于产生输出数据信号的输出数据发生器; 输出级，用于根据输出数据信号产生输出信号，以及接收第一控制信号以调整输出级的阻抗; 阻抗单元，电耦合到输出级，用于接收第二控制信号以调整阻抗单元的阻抗; 以及电耦合到输出级和阻抗单元的校准电路，用于输出第一控制信号和第二控制信号以分别控制输出级和阻抗单元，使得输出级和阻抗单元的阻抗之和 被调整以补偿芯片的环境因素。