公开(公告)号：US07265614B2

公开(公告)日：2007-09-04

申请号：US11156645

申请日：2005-06-21

申请人： Chun-Hung Chang ,  Fu-Yuan Chen ,  Shu-Hua Wang

发明人： Chun-Hung Chang ,  Fu-Yuan Chen ,  Shu-Hua Wang

IPC分类号： H03F1/14

CPC分类号： H03F1/305

摘要： In an amplifier circuit with reduced power-off transients, an amplifier is provided for receiving an input signal and a reference signal to generate an output signal therefrom when it is enabled, and the amplifier is disabled when the supply voltage to the amplifier drops down to a threshold or to a level higher than the reference signal a threshold. The output stage transistor of the amplifier is applied with a body voltage to suppress the body diode parasitic to the output stage transistor to be forward-biased.

摘要翻译： 在具有降低的断电瞬变的放大器电路中，提供放大器用于接收输入信号和参考信号，以在其被使能时从其产生输出信号，并且当放大器的电源电压下降到 阈值或高于参考信号阈值的电平。 放大器的输出级晶体管被施加有体电压以抑制寄生于输出级晶体管的体二极管被正向偏置。

公开(公告)号：US20050253650A1

公开(公告)日：2005-11-17

申请号：US11122096

申请日：2005-05-05

申请人： Chun-Hung Chang ,  Fu-Yuan Chen ,  Shu-Hua Wang

发明人： Chun-Hung Chang ,  Fu-Yuan Chen ,  Shu-Hua Wang

IPC分类号： H03F1/02 ,  H03F1/14 ,  H03F1/26 ,  H03F3/68

CPC分类号： H03F1/02 ,  H03F1/0211 ,  H03F1/0261 ,  H03F1/0277 ,  H03F1/0283 ,  H03F3/68

摘要： In an amplifier circuit with reduced power-on transients, an amplifier has a gain to generate an output signal from an input signal and a reference signal when it is enabled, and a control circuit generates a control signal, based on the output signal and the reference signal, to be supplied to the amplifier during a power-on event. The amplifier is enabled by the control signal when the reference signal reaches the level of the output signal.

摘要翻译： 在具有降低的上电瞬变的放大器电路中，当放大器使能时，放大器具有从输入信号和参考信号产生输出信号的增益，并且控制电路基于输出信号和 参考信号，在上电事件期间提供给放大器。 当参考信号达到输出信号的电平时，放大器由控制信号使能。

公开(公告)号：US07259619B2

公开(公告)日：2007-08-21

申请号：US11122096

申请日：2005-05-05

申请人： Chun-Hung Chang ,  Fu-Yuan Chen ,  Shu-Hua Wang

发明人： Chun-Hung Chang ,  Fu-Yuan Chen ,  Shu-Hua Wang

IPC分类号： H03F1/14

CPC分类号： H03F1/02 ,  H03F1/0211 ,  H03F1/0261 ,  H03F1/0277 ,  H03F1/0283 ,  H03F3/68

摘要： In an amplifier circuit with reduced power-on transients, an amplifier has a gain to generate an output signal from an input signal and a reference signal when it is enabled, and a control circuit generates a control signal, based on the output signal and the reference signal, to be supplied to the amplifier during a power-on event. The amplifier is enabled by the control signal when the reference signal reaches the level of the output signal.

摘要翻译： 在具有降低的上电瞬变的放大器电路中，当放大器使能时，放大器具有从输入信号和参考信号产生输出信号的增益，并且控制电路基于输出信号和 参考信号，在上电事件期间提供给放大器。 当参考信号达到输出信号的电平时，放大器由控制信号使能。

公开(公告)号：US20050285671A1

公开(公告)日：2005-12-29

申请号：US11156645

申请日：2005-06-21

申请人： Chun-Hung Chang ,  Fu-Yuan Chen ,  Shu-Hua Wang

发明人： Chun-Hung Chang ,  Fu-Yuan Chen ,  Shu-Hua Wang

IPC分类号： H03F1/14 ,  H03F1/26 ,  H03F1/30

CPC分类号： H03F1/305

摘要： In an amplifier circuit with reduced power-off transients, an amplifier is provided for receiving an input signal and a reference signal to generate an output signal therefrom when it is enabled, and the amplifier is disabled when the supply voltage to the amplifier drops down to a threshold or to a level higher than the reference signal a threshold. The output stage transistor of the amplifier is applied with a body voltage to suppress the body diode parasitic to the output stage transistor to be forward-biased.

摘要翻译： 在具有降低的断电瞬变的放大器电路中，提供放大器用于接收输入信号和参考信号，以在其被使能时从其产生输出信号，并且当放大器的电源电压下降到 阈值或高于参考信号阈值的电平。 放大器的输出级晶体管被施加有体电压以抑制寄生于输出级晶体管的体二极管被正向偏置。

公开(公告)号：US07675362B2

公开(公告)日：2010-03-09

申请号：US12144591

申请日：2008-06-23

申请人： Fu-Yuan Chen ,  Ming-Hung Chang ,  Yueh-Ping Yu

发明人： Fu-Yuan Chen ,  Ming-Hung Chang ,  Yueh-Ping Yu

IPC分类号： H03F3/217

CPC分类号： H03F3/217

摘要： A switching amplifier includes an input end for receiving an input signal, a reference signal reception end for receiving a reference signal, a feedback end for receiving a feedback signal, an output end for outputting an output signal, an integration circuit for performing integration operation on the input signal according to the output signal and the feedback signal, so as to generate an integration result, a comparison circuit coupled to the integration circuit, the reference signal end, and the output end, for comparing the integration result and the reference signal, so as to generate the output signal for the output end, and a feedback circuit coupled between an output end of the integration circuit and the feedback end, for generating the feedback signal for the feedback end to clamp the integration result to a predetermined value when the integration result reaches the predetermined value.

摘要翻译： 开关放大器包括用于接收输入信号的输入端，用于接收参考信号的参考信号接收端，用于接收反馈信号的反馈端，用于输出输出信号的输出端，用于执行积分运算的积分电路 根据输出信号和反馈信号的输入信号，以产生积分结果，耦合到积分电路的比较电路，参考信号端和输出端，用于比较积分结果和参考信号， 以产生用于输出端的输出信号，以及耦合在积分电路的输出端和反馈端之间的反馈电路，用于产生用于反馈端的反馈信号，以将积分结果钳位到预定值时 积分结果达到预定值。

公开(公告)号：US20070035341A1

公开(公告)日：2007-02-15

申请号：US11163158

申请日：2005-10-07

申请人： Ming-Hung Chang ,  Fu-Yuan Chen

发明人： Ming-Hung Chang ,  Fu-Yuan Chen

IPC分类号： H03F3/217

CPC分类号： H03F3/217 ,  H03F1/32 ,  H03F1/34 ,  H03F2200/144 ,  H03F2200/351

摘要： An amplifier circuit includes a feedback loop; a former stage amplifier unit coupled to an input node of the amplifier circuit and the feedback loop for amplifying the difference between an input signal received from the input node and an output signal which comes back through the feedback loop, and outputting a first output signal; a compensating amplifier unit coupled to the former stage amplifier unit for amplifying the first output signal and outputting a second output signal; and an output stage amplifier unit coupled to the compensating amplifier unit and the feedback loop for outputting a third output signal according to the second output signal.

摘要翻译： 放大器电路包括反馈回路; 耦合到放大器电路的输入节点的前级放大器单元和用于放大从输入节点接收的输入信号与通过反馈回路返回的输出信号之间的差异的反馈回路，并输出第一输出信号; 耦合到前级放大器单元的补偿放大器单元，用于放大第一输出信号并输出​​第二输出信号; 以及输出级放大器单元，其耦合到所述补偿放大器单元和所述反馈回路，用于根据所述第二输出信号输出第三输出信号。

公开(公告)号：US5394735A

公开(公告)日：1995-03-07

申请号：US147841

申请日：1993-12-20

申请人： Yen-Kun Fang ,  Bao-Chsun Fang ,  Jiann-Ruey Chen ,  Fu-Yuan Chen

发明人： Yen-Kun Fang ,  Bao-Chsun Fang ,  Jiann-Ruey Chen ,  Fu-Yuan Chen

IPC分类号： G01N27/00 ,  G01N27/12

CPC分类号： G01N33/005

摘要： A gas sensor having a large operation current and being operated at a relatively low temperature includes a substrate having a first surface and a second surface. A sensing area is provided on the first surface for increasing the conductivity across it when the sensing area detects a certain gas. A controlling area is provided on the first surface and beside the sensing area for permitting a tunneling current to pass therethrough when the sensing area cannot sense a certain gas or when the gas sensor is adapted to be sufficiently supplied with power. This control area prevents the tunneling current from being generated when the sensing area detects certain gas and thus the conductivity is increased, so that when the first and the second surfaces are electrically connected to the power supply. The gas sensor will be in an on state when the gas sensor cannot sense there is the certain gas and be in an off state when the gas sensor detects the presence of certain gas. This gas sensor can avoid a dangerous explosion resulting from a flammable gas at a relatively high temperature. The gas sensor possesses a relatively short response time.

摘要翻译： 具有大的工作电流并且在较低温度下操作的气体传感器包括具有第一表面和第二表面的基底。 当感测区域检测到某种气体时，在第一表面上提供感测区域以增加其上的导电性。 控制区域设置在第一表面和感测区域旁边，以便当感测区域不能感测到特定气体时或当气体传感器适于被充分供电时允许穿透电流通过。 当感测区域检测到某些气体并且因此导电性增加时，该控制区域防止产生隧穿电流，使得当第一和第二表面电连接到电源时。 当气体传感器不能感测到气体传感器将处于打开状态时，气体传感器检测到某些气体的存在时，气体传感器将处于关闭状态。 该气体传感器可以避免在较高温度下由易燃气体引起的危险爆炸。 气体传感器具有相对较短的响应时间。

公开(公告)号：US20110074376A1

公开(公告)日：2011-03-31

申请号：US12687094

申请日：2010-01-13

申请人： Fu-Yuan Chen ,  Yu-Chen Chiang ,  Ming-Hung Chang

发明人： Fu-Yuan Chen ,  Yu-Chen Chiang ,  Ming-Hung Chang

IPC分类号： G05F1/10

CPC分类号： H03F3/217

摘要： An output driving circuit capable of reducing EMI effect includes a non-overlapping signal generation unit for generating a first non-overlapping signal and a second non-overlapping signal according to an input signal, a pre-driver for generating a first pre-driving signal and a second pre-driving signal according to the first non-overlapping signal and the second non-overlapping signal, a high-side switch, a low-side switch, and a control unit for controlling the high-side switch or the low-side switch to be switched into a weak on state to reduce load inductive current effect for a load.

摘要翻译： 能够降低EMI效应的输出驱动电路包括用于根据输入信号产生第一非重叠信号和第二不重叠信号的非重叠信号产生单元，用于产生第一预驱动信号的预驱动器 以及根据第一非重叠信号和第二非重叠信号的第二预驱动信号，高侧开关，低侧开关和用于控制高侧开关或低端开关的控制单元， 侧开关切换为弱导通状态，以减轻负载的负载感应电流效应。

公开(公告)号：US07667543B2

公开(公告)日：2010-02-23

申请号：US12105288

申请日：2008-04-18

申请人： Fu-Yuan Chen ,  Chung-An Hsieh ,  Yueh-Ping Yu

发明人： Fu-Yuan Chen ,  Chung-An Hsieh ,  Yueh-Ping Yu

IPC分类号： H03F3/04

CPC分类号： H03F1/0211

摘要： A power supply device for driving first and second amplifiers includes a first power generator, a second power generator, a charge pump and a control unit. The first power generator provides a first voltage for first power reception ends of the first and second amplifiers. The second power generator provides a second voltage. The charge pump is coupled between the second power generator and a second power reception end of the first amplifier and between the second power generator and a second power reception end of the second amplifier, and is used for generating a third voltage for the first and second amplifiers according to the second voltage. The control unit is coupled to the second power generator and is used for controlling the second power generator, so as to adjust the second voltage to make the third voltage equal to a multiple of the first voltage.

摘要翻译： 用于驱动第一和第二放大器的电源装置包括第一发电机，第二发电机，电荷泵和控制单元。 第一发电机为第一和第二放大器的第一电力接收端提供第一电压。 第二发电机提供第二电压。 电荷泵耦合在第二发电机和第一放大器的第二电力接收端之间以及第二发电机与第二放大器的第二电力接收端之间，并且用于产生用于第一和第二放大器的第三电压 放大器根据第二电压。 控制单元耦合到第二发电机并用于控制第二发电机，以便调节第二电压以使第三电压等于第一电压的倍数。

公开(公告)号：US20090278608A1

公开(公告)日：2009-11-12

申请号：US12105289

申请日：2008-04-18

申请人： Fu-Yuan Chen ,  Chung-An Hsieh ,  Yueh-Ping Yu

发明人： Fu-Yuan Chen ,  Chung-An Hsieh ,  Yueh-Ping Yu

IPC分类号： H03F3/04

CPC分类号： H03F1/0211

摘要： A power supply device for driving an amplifier includes a power generator for providing a first voltage for a first power reception end of the amplifier, a power conversion unit coupled to the power generator, for converting the first voltage into a second voltage, a charge pump coupled between the power conversion unit and a second power reception end of the amplifier, for generating a third voltage for the amplifier according to the second voltage, and a control unit coupled to the power conversion unit, for controlling the power conversion unit, so as to adjust the second voltage to make the third voltage equal to a specific multiple of the first voltage.

摘要翻译： 用于驱动放大器的电源装置包括用于为放大器的第一电力接收端提供第一电压的功率发生器，耦合到发电机的功率转换单元，用于将第一电压转换成第二电压，电荷泵 耦合在功率转换单元和放大器的第二功率接收端之间，用于根据第二电压产生用于放大器的第三电压;以及控制单元，耦合到功率转换单元，用于控制功率转换单元，以便 以调节第二电压以使第三电压等于第一电压的特定倍数。