专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US07403362B2 Latch-up restistant ESD protection circuit and method thereof 有权
标题翻译：锁止式静电保护电路及其方法
公开(公告)号：US07403362B2
公开(公告)日：2008-07-22
申请号：US11675083
申请日：2007-02-15
申请人： Chao-Cheng Lee , Yung-Ming Chiu
发明人： Chao-Cheng Lee , Yung-Ming Chiu
IPC分类号： H02H9/00 , H02H3/20 , H02H9/04 , H02H3/22 , H02H1/00 , H02H1/04 , H02H , H01C7/12
CPC分类号： H01L27/0285
摘要： The present invention is to provide a latch-up resistant electrostatic discharge (ESD) protection circuit and method thereof, which comprises a clamping circuit being able to discharge when activated, a sustaining unit for directing electrostatic charge via said sustaining unit to said clamping circuit when activated and a sensing unit for activating said clamping circuit and said sustaining unit. When an ESD event, a signal noise or a power bounce is detected, said clamping circuit and said sensing unit is activated, said sustaining unit is activated to increase discharging ability of said clamping circuit, and then said sensing unit self resets after a period of time to deactivate said sustaining unit, thereby said clamping circuit is deactivated and a latch-up is prevented.
摘要翻译：本发明提供一种防闩锁静电放电（ESD）保护电路及其方法，该电路包括一个能够在被激活时放电的钳位电路，一个用于通过所述维持单元将静电荷引导到所述钳位电路的维持单元，激活和用于激活所述钳位电路和所述维持单元的感测单元。当检测到ESD事件，信号噪声或电源反弹时，所述钳位电路和所述感测单元被激活，所述维持单元被激活以增加所述钳位电路的放电能力，然后所述感测单元在一段时间后自复位停止所述维持单元的时间，由此所述钳位电路被去激活并且防止了闩锁。

2. 发明申请

US20090310711A1 Transmitter and receiver capable of reducing in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof 审中-公开
标题翻译：能够减少同相/正交相（I / Q）失配的发射机和接收机及其调整方法
公开(公告)号：US20090310711A1
公开(公告)日：2009-12-17
申请号：US12457528
申请日：2009-06-15
申请人： Yung-Ming Chiu , Wen-Shan Wang , Hong-Ta Hsu , Ming-Chung Huang
发明人： Yung-Ming Chiu , Wen-Shan Wang , Hong-Ta Hsu , Ming-Chung Huang
IPC分类号： H04L27/00 , H04L27/20 , H04L27/22
CPC分类号： H04L27/3863 , H04L27/364
摘要： An adjusting method for reducing in-phase/quadrature-phase (I/Q) mismatch in a transmitter includes the steps of: a) receiving a first in-phase signal and a first quadrature-phase signal; b) adjusting a set of parameters such that an extent of I/Q mismatch related to the first in-phase signal and the first quadrature-phase signal is reduced; c) receiving a second in-phase signal and a second quadrature-phase signal, the second in-phase signal differing from the first in-phase signal in one of frequency and phase; d) adjusting the set of parameters such that an extent of I/Q mismatch related to the second in-phase signal and the second quadrature-phase signal is reduced; and e) determining final values for the set of parameters based on adjustment results of steps b) and d) such that extents of I/Q mismatch related to different frequencies are reduced.
摘要翻译：用于减少发射机中的同相/正交相位（I / Q）失配的调整方法包括以下步骤：a）接收第一同相信号和第一正交相位信号; b）调整一组参数，使得与第一同相信号和第一正交相位信号相关的I / Q失配的程度减小; c）接收第二同相信号和第二正交相位信号，所述第二同相信号与频率和相位之一中的第一同相信号不同; d）调整参数集，使得与第二同相信号和第二正交相位信号相关的I / Q失配的程度减小; 以及e）基于步骤b）和d）的调整结果来确定该组参数的最终值，使得与不同频率相关的I / Q失配范围减小。

3. 发明授权

US07564320B2 Voltage-controlled oscillator 有权
标题翻译：压控振荡器
公开(公告)号：US07564320B2
公开(公告)日：2009-07-21
申请号：US11812032
申请日：2007-06-14
申请人： Wei-Ming Chiu , Yung-Ming Chiu , Ka-Un Chan
发明人： Wei-Ming Chiu , Yung-Ming Chiu , Ka-Un Chan
IPC分类号： H03L7/099
CPC分类号： H03L7/099 , H03B5/1212 , H03B5/1228 , H03B5/1243
摘要： A voltage-controlled oscillator (VCO) includes: an oscillation unit, for generating an oscillation signal according to a biasing current; a current mirror, for providing the biasing current, the current mirror comprising: at least one first transistor, coupled between a first voltage level and a current source; at least one second transistor, coupled to the first voltage level, a gate of the second transistor is coupled to a gate of the first transistor and the current source; a switch module, coupled to the current mirror; and a control module, coupled to the switch module, for controlling the switch module to adjust the biasing current.
摘要翻译：压控振荡器（VCO）包括：振荡单元，用于根据偏置电流产生振荡信号; 用于提供偏置电流的电流镜，所述电流镜包括：耦合在第一电压电平和电流源之间的至少一个第一晶体管; 耦合到所述第一电压电平的至少一个第二晶体管，所述第二晶体管的栅极耦合到所述第一晶体管和所述电流源的栅极; 耦合到电流镜的开关模块; 以及耦合到开关模块的控制模块，用于控制开关模块来调节偏置电流。

4. 发明申请

US20060006858A1 METHOD AND APPARATUS FOR GENERATING N-ORDER COMPENSATED TEMPERATURE INDEPENDENT REFERENCE VOLTAGE 有权
标题翻译：用于产生N阶补偿温度独立参考电压的方法和装置
公开(公告)号：US20060006858A1
公开(公告)日：2006-01-12
申请号：US10710438
申请日：2004-07-12
申请人： Yung-Ming CHIU
发明人： Yung-Ming CHIU
IPC分类号： G05F3/16
CPC分类号： G05F3/30 , G05F3/262 , Y10S323/907
摘要： A reference voltage generator includes a plurality of signal generators for producing N+1 signals respectively corresponding to N+1 temperature dependent characteristics, a combining module coupled to the signal generators for combining the N+1 signals to form a combined signal, and a signal to voltage converter coupled to the combining module for generating a compensated reference voltage according to the combined signal. The signal generators include N+1 devices having p-n junctions and each device has a specific temperature dependent characteristic corresponding to the voltage across a p-n junction, such as the base-emitter voltage of a transistor. By scaling the N+1 signals, a reference voltage at a predetermined value is generated and has Nth order temperature compensation.
摘要翻译：参考电压发生器包括多个信号发生器，用于产生分别对应于N + 1温度依赖特性的N + 1个信号;耦合模块，耦合到信号发生器，用于组合N + 1个信号以形成组合信号;以及信号耦合到组合模块的电压转换器，用于根据组合信号产生补偿参考电压。信号发生器包括具有p-n结的N + 1个器件，并且每个器件具有对应于p-n结两端的电压的特定温度依赖特性，例如晶体管的基极 - 发射极电压。通过缩放N + 1信号，产生预定值的参考电压并具有第N阶温度补偿。

5. 发明申请

US20080007351A1 Voltage-controlled oscillator 有权
标题翻译：压控振荡器
公开(公告)号：US20080007351A1
公开(公告)日：2008-01-10
申请号：US11812032
申请日：2007-06-14
申请人： Wei-Ming Chiu , Yung-Ming Chiu , Ka-Un Chan
发明人： Wei-Ming Chiu , Yung-Ming Chiu , Ka-Un Chan
IPC分类号： H03L7/00
CPC分类号： H03L7/099 , H03B5/1212 , H03B5/1228 , H03B5/1243
摘要： A voltage-controlled oscillator (VCO) includes: an oscillation unit, for generating an oscillation signal according to a biasing current; a current mirror, for providing the biasing current, the current mirror comprising: at least one first transistor, coupled between a first voltage level and a current source; at least one second transistor, coupled to the first voltage level, a gate of the second transistor is coupled to a gate of the first transistor and the current source; a switch module, coupled to the current mirror; and a control module, coupled to the switch module, for controlling the switch module to adjust the biasing current.
摘要翻译：压控振荡器（VCO）包括：振荡单元，用于根据偏置电流产生振荡信号; 用于提供偏置电流的电流镜，所述电流镜包括：耦合在第一电压电平和电流源之间的至少一个第一晶体管; 耦合到所述第一电压电平的至少一个第二晶体管，所述第二晶体管的栅极耦合到所述第一晶体管和所述电流源的栅极; 耦合到电流镜的开关模块; 以及耦合到开关模块的控制模块，用于控制开关模块来调节偏置电流。

6. 发明申请

US20120056687A1 VOLTAGE CONTROL OSCILLATOR 审中-公开
标题翻译：电压控制振荡器
公开(公告)号：US20120056687A1
公开(公告)日：2012-03-08
申请号：US13222177
申请日：2011-08-31
申请人： Ka-Un Chan , Yung-Ming Chiu
发明人： Ka-Un Chan , Yung-Ming Chiu
IPC分类号： H03L1/00
CPC分类号： H03L7/099 , H03L1/00
摘要： A voltage control oscillator implemented in an integrated circuit includes a supply circuit and an oscillating circuit. The supply circuit, implemented with an input/output (I/O) interface element, receives an I/O reference voltage signal and provides a power signal accordingly. The oscillating circuit, implemented with a core circuit element, provides an oscillation signal in response to the power signal. A swing of the oscillation signal is determined according to a level of an I/O reference voltage signal.
摘要翻译：在集成电路中实现的电压控制振荡器包括电源电路和振荡电路。由输入/输出（I / O）接口元件实现的供电电路接收I / O参考电压信号并相应地提供功率信号。用核心电路元件实现的振荡电路响应于功率信号提供振荡信号。根据I / O参考电压信号的电平来确定振荡信号的摆幅。

7. 发明申请

US20070188953A1 LATCH-UP RESTISTANT ESD PROTECTION CIRCUIT AND METHOD THEREOF 有权
标题翻译： LATCH-UP RESTISTANT ESD保护电路及其方法
公开(公告)号：US20070188953A1
公开(公告)日：2007-08-16
申请号：US11675083
申请日：2007-02-15
申请人： Chao-Cheng Lee , Yung-Ming Chiu
发明人： Chao-Cheng Lee , Yung-Ming Chiu
IPC分类号： H02H9/00
CPC分类号： H01L27/0285
摘要： The present invention is to provide a latch-up resistant electrostatic discharge (ESD) protection circuit and method thereof, which comprises a clamping circuit being able to discharge when activated, a sustaining unit for directing electrostatic charge via said sustaining unit to said clamping circuit when activated and a sensing unit for activating said clamping circuit and said sustaining unit. When an ESD event, a signal noise or a power bounce is detected, said clamping circuit and said sensing unit is activated, said sustaining unit is activated to increase discharging ability of said clamping circuit, and then said sensing unit self resets after a period of time to deactivate said sustaining unit, thereby said clamping circuit is deactivated and a latch-up is prevented.
摘要翻译：本发明提供一种防闩锁静电放电（ESD）保护电路及其方法，该电路包括一个能够在被激活时放电的钳位电路，一个用于通过所述维持单元将静电荷引导到所述钳位电路的维持单元，激活和用于激活所述钳位电路和所述维持单元的感测单元。当检测到ESD事件，信号噪声或电源反弹时，所述钳位电路和所述感测单元被激活，所述维持单元被激活以增加所述钳位电路的放电能力，然后所述感测单元在一段时间后自复位停止所述维持单元的时间，由此所述钳位电路被去激活并且防止了闩锁。

8. 发明授权

US07161340B2 Method and apparatus for generating N-order compensated temperature independent reference voltage 有权
标题翻译：用于产生N阶补偿温度独立参考电压的方法和装置
公开(公告)号：US07161340B2
公开(公告)日：2007-01-09
申请号：US10710438
申请日：2004-07-12
申请人： Yung-Ming Chiu
发明人： Yung-Ming Chiu
IPC分类号： G05F3/16
CPC分类号： G05F3/30 , G05F3/262 , Y10S323/907
摘要： A reference voltage generator includes a plurality of signal generators for producing N+1 signals respectively corresponding to N+1 temperature dependent characteristics, a combining module coupled to the signal generators for combining the N+1 signals to form a combined signal, and a signal to voltage converter coupled to the combining module for generating a compensated reference voltage according to the combined signal. The signal generators include N+1 devices having p-n junctions and each device has a specific temperature dependent characteristic corresponding to the voltage across a p-n junction, such as the base-emitter voltage of a transistor. By scaling the N+1 signals, a reference voltage at a predetermined value is generated and has Nth order temperature compensation.
摘要翻译：参考电压发生器包括多个信号发生器，用于产生分别对应于N + 1温度依赖特性的N + 1个信号;耦合模块，耦合到信号发生器，用于组合N + 1个信号以形成组合信号;以及信号耦合到组合模块的电压转换器，用于根据组合信号产生补偿参考电压。信号发生器包括具有p-n结的N + 1个器件，并且每个器件具有对应于p-n结两端的电压的特定温度依赖特性，例如晶体管的基极 - 发射极电压。通过缩放N + 1个信号，产生预定值的参考电压并具有第N阶段温度补偿。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式