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1. 发明授权

US07449952B2 Amplifying circuit having a pull-up circuit and a pull-down circuit for increasing slew rate 失效
标题翻译：具有上拉电路的放大电路和用于提高转换速率的下拉电路
公开(公告)号：US07449952B2
公开(公告)日：2008-11-11
申请号：US11685776
申请日：2007-03-14
申请人： Jing-Chi Yu , Wen-Chi Wu , Hsiu-Ping Lin , Yao-Ching Wang , Chi-Mo Huang
发明人： Jing-Chi Yu , Wen-Chi Wu , Hsiu-Ping Lin , Yao-Ching Wang , Chi-Mo Huang
IPC分类号： H03F3/45
CPC分类号： H03F3/45183 , H03F3/45475 , H03F2203/45248
摘要： An amplifying circuit includes an operational amplifier, a pull-up circuit and a pull-down circuit. The operational amplifier generates a first pull-up signal, a first pull-down signal and an output signal, wherein the phases of the first pull-up signal and the first pull-down signal are out of phase with the output signal. The pull-up circuit includes a first controlling module for outputting a second pull-up signal according to the first pull-up signal, and a first adjusting module for adjusting the output signal according to the second pull-up signal. The pull-down circuit includes a second controlling module for outputting a second pull-down signal according to the first pull-down signal, and a second adjusting module for adjusting the output signal according to the second pull-down signal.
摘要翻译：放大电路包括运算放大器，上拉电路和下拉电路。运算放大器产生第一上拉信号，第一下拉信号和输出信号，其中第一上拉信号和第一下拉信号的相位与输出信号异相。上拉电路包括用于根据第一上拉信号输出第二上拉信号的第一控制模块和用于根据第二上拉信号调整输出信号的第一调整模块。下拉电路包括用于根据第一下拉信号输出第二下拉信号的第二控制模块和用于根据第二下拉信号调整输出信号的第二调整模块。

2. 发明申请

US20080231364A1 AMPLIFYING CIRCUIT HAVING A PULL-UP CIRCUIT AND A PULL-DOWN CIRCUIT FOR INCREASING SLEW RATE 失效
标题翻译：具有上拉电路的放大电路和用于增加更高速率的下拉电路
公开(公告)号：US20080231364A1
公开(公告)日：2008-09-25
申请号：US11685776
申请日：2007-03-14
申请人： Jing-Chi Yu , Wen-Chi Wu , Hsiu-Ping Lin , Yao-Ching Wang , Chi-Mo Huang
发明人： Jing-Chi Yu , Wen-Chi Wu , Hsiu-Ping Lin , Yao-Ching Wang , Chi-Mo Huang
IPC分类号： H03F3/45
CPC分类号： H03F3/45183 , H03F3/45475 , H03F2203/45248
摘要： An amplifying circuit includes an operational amplifier, a pull-up circuit and a pull-down circuit. The operational amplifier generates a first pull-up signal, a first pull-down signal and an output signal, wherein the phases of the first pull-up signal and the first pull-down signal are out of phase with the output signal. The pull-up circuit includes a first controlling module for outputting a second pull-up signal according to the first pull-up signal, and a first adjusting module for adjusting the output signal according to the second pull-up signal. The pull-down circuit includes a second controlling module for outputting a second pull-down signal according to the first pull-down signal, and a second adjusting module for adjusting the output signal according to the second pull-down signal.
摘要翻译：放大电路包括运算放大器，上拉电路和下拉电路。运算放大器产生第一上拉信号，第一下拉信号和输出信号，其中第一上拉信号和第一下拉信号的相位与输出信号异相。上拉电路包括用于根据第一上拉信号输出第二上拉信号的第一控制模块和用于根据第二上拉信号调整输出信号的第一调整模块。下拉电路包括用于根据第一下拉信号输出第二下拉信号的第二控制模块和用于根据第二下拉信号调整输出信号的第二调整模块。

3. 发明授权

US07515009B2 Oscillating apparatus with adjustable oscillating frequency 有权
标题翻译：具有可调振荡频率的振荡器
公开(公告)号：US07515009B2
公开(公告)日：2009-04-07
申请号：US11554040
申请日：2006-10-30
申请人： Wen-Chi Wu , Yao-Ching Wang , Chi-Mo Huang
发明人： Wen-Chi Wu , Yao-Ching Wang , Chi-Mo Huang
IPC分类号： H03L7/099
CPC分类号： H03K3/356113 , H03K3/354
摘要： The present invention relates to an oscillating apparatus. The oscillating apparatus includes a biasing circuit, a multi-vibrator, a detecting circuit, and a selecting circuit. The biasing circuit is for generating a bias signal, wherein the biasing circuit includes a connecting port for using an impedance device to control an oscillating frequency or for directly connecting to external clock source as a reference clock. The multi-vibrator coupled to the biasing circuit for generating the oscillating frequency according to the quantity of the biasing signal. The detecting circuit coupled to the connecting port for generating a detecting signal whether the connecting port is coupled to the impedance device or the external clock source. The selecting circuit includes an AND gate coupled to the multi-vibrator and the selection signal and an OR gate coupled to the AND gate and the connecting port.
摘要翻译：本发明涉及振荡装置。振荡装置包括偏置电路，多振子，检测电路和选择电路。偏置电路用于产生偏置信号，其中偏置电路包括用于使用阻抗器件控制振荡频率或直接连接到外部时钟源作为参考时钟的连接端口。耦合到偏置电路的多个振动器，用于根据偏置信号的量产生振荡频率。耦合到连接端口的检测电路，用于产生检测信号，无论连接端口是耦合到阻抗器件还是外部时钟源。选择电路包括耦合到多个振荡器的AND门和选择信号，以及耦合到与门和连接端口的或门。

4. 发明申请

US20080111645A1 OSCILLATING APPARATUS WITH ADJUSTABLE OSCILLATING FREQUENCY 有权
标题翻译：具有可调节振荡频率的振荡装置
公开(公告)号：US20080111645A1
公开(公告)日：2008-05-15
申请号：US11554040
申请日：2006-10-30
申请人： Wen-Chi Wu , Yao-Ching Wang , Chi-Mo Huang
发明人： Wen-Chi Wu , Yao-Ching Wang , Chi-Mo Huang
IPC分类号： H03L7/099
CPC分类号： H03K3/356113 , H03K3/354
摘要： The present invention relates to an oscillating apparatus. The oscillating apparatus includes a biasing circuit, a multi-vibrator, a detecting circuit, and a selecting circuit. The biasing circuit is for generating a bias signal, wherein the biasing circuit includes a connecting port for using an impedance device to control an oscillating frequency or for directly connecting to external clock source as a reference clock. The multi-vibrator coupled to the biasing circuit for generating the oscillating frequency according to the quantity of the biasing signal. The detecting circuit coupled to the connecting port for generating a detecting signal whether the connecting port is coupled to the impedance device or the external clock source. The selecting circuit includes an AND gate coupled to the multi-vibrator and the selection signal and an OR gate coupled to the AND gate and the connecting port.
摘要翻译：本发明涉及振荡装置。振荡装置包括偏置电路，多振子，检测电路和选择电路。偏置电路用于产生偏置信号，其中偏置电路包括用于使用阻抗器件控制振荡频率或直接连接到外部时钟源作为参考时钟的连接端口。耦合到偏置电路的多个振动器，用于根据偏置信号的量产生振荡频率。耦合到连接端口的检测电路，用于产生检测信号，无论连接端口是耦合到阻抗器件还是外部时钟源。选择电路包括耦合到多个振荡器的AND门和选择信号，以及耦合到与门和连接端口的或门。

5. 发明申请

US20110102069A1 CHARGE PUMP CIRCUIT AND DRIVING METHOD THEREOF 审中-公开
标题翻译：充电泵电路及其驱动方法
公开(公告)号：US20110102069A1
公开(公告)日：2011-05-05
申请号：US12869769
申请日：2010-08-27
申请人： Tzung-Shing Tsai , Yao-Ching Wang
发明人： Tzung-Shing Tsai , Yao-Ching Wang
IPC分类号： G05F3/02
CPC分类号： H02M3/07
摘要： A charge pump circuit includes an input end, a first reservoir capacitor, a second reservoir capacitor, two output ends, a charge pump unit and a charge module. The input end receives an input voltage, and the two output ends output a positive pumping voltage and a negative pumping voltage, respectively. The charge pump unit is utilized for charging the first reservoir capacitor and the second reservoir capacitor respectively by referring to a plurality of operational phases, wherein the charge pump unit does not charge at least one designated reservoir capacitor of the first reservoir capacitor and the second reservoir capacitor during at least one designated operational phase of the plurality of operational phases. When the charge pump unit operates in the at least one designated operational phase, the charge module is utilized for charging the at least one designated reservoir capacitor.
摘要翻译：电荷泵电路包括输入端，第一储存电容器，第二存储电容器，两个输出端，电荷泵单元和充电模块。输入端接收输入电压，两个输出端分别输出正的泵浦电压和负的泵浦电压。电荷泵单元用于分别通过参考多个操作阶段对第一储存电容器和第二储存电容器充电，其中电荷泵单元不向第一储存电容器和第二储存器的至少一个指定储存电容器充电电容器在多个操作阶段的至少一个指定操作阶段期间。当电荷泵单元在至少一个指定的操作阶段中操作时，充电模块用于对至少一个指定的储存电容器充电。

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