公开(公告)号：US20100080204A1

公开(公告)日：2010-04-01

申请号：US12568684

申请日：2009-09-29

申请人： Kuang-Yu Yen ,  Der-Zheng Liu ,  Ka-Un Chan

发明人： Kuang-Yu Yen ,  Der-Zheng Liu ,  Ka-Un Chan

IPC分类号： H04W4/00

CPC分类号： H04B7/04

摘要： A WLAN transceiving system, which comprises: a plurality of antennas; a plurality of receiving circuits, wherein each one of receiving circuits is coupled to one of the antenna to receive a input signal from the antennas; and a plurality of transmitting circuits, for outputting one of an output signal and an amplified output signal, wherein at least one of the transmitting circuit includes a power amplifier and utilizes at least one of the power amplifier to amplify an output signal to generate the amplified output signal, where a number of the power amplifiers is less than a number of the antennas.

摘要翻译： 一种WLAN收发系统，包括：多个天线; 多个接收电路，其中每个接收电路耦合到所述天线之一以从所述天线接收输入信号; 以及多个发送电路，用于输出输出信号和放大的输出信号之一，其中所述发送电路中的至少一个包括功率放大器，并利用所述功率放大器中的至少一个来放大输出信号以产生所述放大的 输出信号，其中多个功率放大器小于多个天线。

公开(公告)号：US08816771B2

公开(公告)日：2014-08-26

申请号：US13607830

申请日：2012-09-10

申请人： Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

发明人： Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

IPC分类号： H03F3/45

CPC分类号： H03F3/45 ,  H03F1/223 ,  H03F3/45179 ,  H03F2200/294 ,  H03F2203/45562 ,  H03F2203/45638

摘要： A signal amplifying circuit includes: an input stage circuit, arranged to receive an input signal; a first inductive device coupled between the input stage circuit and a first reference voltage; an output stage circuit arranged to generate an output signal according to the input signal; and a second inductive device coupled between the output stage circuit and a second reference voltage, wherein at least a part of a winding of the first inductive element is cross-coupled to at least a part of a winding of the second inductive element.

摘要翻译： 信号放大电路包括：输入级电路，用于接收输入信号; 耦合在所述输入级电路和第一参考电压之间的第一感应器件; 布置成根据输入信号产生输出信号的输出级电路; 以及耦合在所述输出级电路和第二参考电压之间的第二感应器件，其中所述第一电感元件的绕组的至少一部分与所述第二电感元件的绕组的至少一部分交叉耦合。

公开(公告)号：US08860507B2

公开(公告)日：2014-10-14

申请号：US13615567

申请日：2012-09-13

申请人： Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

发明人： Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

IPC分类号： H03F3/45

CPC分类号： H03F3/45 ,  H03F1/223 ,  H03F3/195 ,  H03F3/26 ,  H03F3/45179 ,  H03F2200/294 ,  H03F2203/45394 ,  H03F2203/45621 ,  H03F2203/45638

摘要： An amplifier includes a transformer and a first stage gain circuit. The transformer includes a primary coil and a secondary coil. The primary coil is utilized for receiving an input signal. The first stage gain circuit has a first input port, which is coupled to the primary coil. The first stage gain circuit is utilized for gaining the input signal so as to generate a first output.

摘要翻译： 放大器包括变压器和第一级增益电路。 变压器包括初级线圈和次级线圈。 初级线圈用于接收输入信号。 第一级增益电路具有耦合到初级线圈的第一输入端口。 第一级增益电路用于获得输入信号以产生第一输出。

公开(公告)号：US20120314810A1

公开(公告)日：2012-12-13

申请号：US13482990

申请日：2012-05-29

申请人： Ka-Un Chan ,  Chin-Lung Li

发明人： Ka-Un Chan ,  Chin-Lung Li

IPC分类号： H03C3/00 ,  H03D3/00

CPC分类号： H03C1/547 ,  H03D7/1458 ,  H03D7/166 ,  H03D2200/0019 ,  H03D2200/0082

摘要： A receiver/transmitter and related receiving/method capable of simultaneously receiving/transmitting discontinuous frequency band signal components of an input/output signal are provided. Phase swapping on in-phase/quadrature-phase local oscillation differential signals is applied to frequency down-conversion of the input signal or frequency up-conversion of a baseband signal to be outputted to radio domain, and thereby achieve simultaneously receiving discontinuous frequency bands of the input signal and simultaneously sending different baseband signal components on discontinuous frequency bands of the output signal.

摘要翻译： 提供能够同时接收/发送输入/输出信号的不连续的频带信号分量的接收机/发射机和相关的接收/方法。 将同相/正交相位本地振荡差分信号的相位交换施加到输出信号的下变频或基带信号的上变频以输出到无线电域，从而实现同时接收不连续的频带 输入信号，同时在输出信号的不连续频带上发送不同的基带信号分量。

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。

公开(公告)号：US07859807B2

公开(公告)日：2010-12-28

申请号：US12104019

申请日：2008-04-16

申请人： Po-Chih Wang ,  Ka-Un Chan

发明人： Po-Chih Wang ,  Ka-Un Chan

IPC分类号： H02H9/00

CPC分类号： H01L27/0255

摘要： An electrostatic discharge (ESD) protection circuit and method thereof is provided. The ESD protection circuit includes two clamping circuits, an inductor, a diode and a diode string. In addition to a voltage swing of an output voltage able to get rid of the influence of the ESD protection circuit, the invention reduces an ESD conduction path length and dissipates an ESD current swiftly by installing at least two clamping circuits, which significantly increases the effectiveness of the protection for large-signal circuits.

摘要翻译： 提供一种静电放电（ESD）保护电路及其方法。 ESD保护电路包括两个钳位电路，一个电感器，二极管和二极管串。 除了能够消除ESD保护电路的影响的输出电压的电压摆幅之外，本发明通过安装至少两个钳位电路来降低ESD导电路径长度并迅速消散ESD电流，这显着增加了有效性 的大信号电路的保护。

公开(公告)号：US20080232010A1

公开(公告)日：2008-09-25

申请号：US12104019

申请日：2008-04-16

申请人： Po-Chih Wang ,  Ka-Un Chan

发明人： Po-Chih Wang ,  Ka-Un Chan

IPC分类号： H02H9/04

CPC分类号： H01L27/0255

摘要： An electrostatic discharge (ESD) protection circuit and method thereof is provided. The ESD protection circuit includes two clamping circuits, an inductor, a diode and a diode string. In addition to a voltage swing of an output voltage able to get rid of the influence of the ESD protection circuit, the invention reduces an ESD conduction path length and dissipates an ESD current swiftly by installing at least two clamping circuits, which significantly increases the effectiveness of the protection for large-signal circuits.

摘要翻译： 提供一种静电放电（ESD）保护电路及其方法。 ESD保护电路包括两个钳位电路，一个电感器，二极管和二极管串。 除了能够消除ESD保护电路的影响的输出电压的电压摆幅之外，本发明通过安装至少两个钳位电路来降低ESD导电路径长度并迅速消散ESD电流，这显着增加了有效性 的大信号电路的保护。

公开(公告)号：US20130278320A1

公开(公告)日：2013-10-24

申请号：US13609288

申请日：2012-09-11

申请人： Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

发明人： Hsien-Ku Chen ,  Chia-Jun Chang ,  Ka-Un Chan ,  Ying-Hsi Lin

IPC分类号： G06G7/12

CPC分类号： H03D7/1441 ,  H03D7/1458

摘要： A mixer includes a transformer and a mixing circuit. The transformer is employed for receiving an input signal to generate a differential output. The mixing circuit is coupled to the transformer, and employed for mixing the differential output with N oscillating signals having different phases to generate a plurality of mixed output signals, wherein N is greater than 2.

摘要翻译： 混合器包括变压器和混合电路。 变压器用于接收输入信号以产生差分输出。 混合电路耦合到变压器，并用于将差分输出与具有不同相位的N个振荡信号混合以产生多个混合输出信号，其中N大于2。

公开(公告)号：US07701258B2

公开(公告)日：2010-04-20

申请号：US12000063

申请日：2007-12-07

申请人： Wei-Ming Chiu ,  Ka-Un Chan

发明人： Wei-Ming Chiu ,  Ka-Un Chan

IPC分类号： G11C7/00

CPC分类号： H03K3/356139 ,  H03K3/356043

摘要： A latch includes: an amplifying circuit, for receiving a first bias current in a first state for amplifying an input signal to generate an amplified signal; a latching unit, for latching the amplified signal and receiving a second bias current in a second state to output the amplified signal; and a biasing circuit, for providing a biasing current to the amplifying circuit, and providing the second biasing current to the latching unit. The biasing circuit includes: a first biasing module for providing a third biasing circuit to the amplifying circuit in the first state; and a second biasing module, for providing a fourth biasing current to the amplified circuit; wherein the first biasing circuit is equal to a sum of the third biasing current and the fourth biasing current.

摘要翻译： 锁存器包括：放大电路，用于接收第一状态的第一偏置电流，用于放大输入信号以产生放大信号; 锁存单元，用于锁存放大的信号并在第二状态接收第二偏置电流以输出放大的信号; 以及偏置电路，用于向放大电路提供偏置电流，并向锁存单元提供第二偏置电流。 偏置电路包括：第一偏置模块，用于在第一状态下向放大电路提供第三偏置电路; 以及第二偏置模块，用于向放大电路提供第四偏置电流; 其中所述第一偏置电路等于所述第三偏置电流和所述第四偏置电流的和。

公开(公告)号：US20080136482A1

公开(公告)日：2008-06-12

申请号：US12000063

申请日：2007-12-07

申请人： Wei-Ming Chiu ,  Ka-Un Chan

发明人： Wei-Ming Chiu ,  Ka-Un Chan

IPC分类号： H03K3/0233

CPC分类号： H03K3/356139 ,  H03K3/356043

摘要： A latch includes: an amplifying circuit, for receiving a first bias current in a first state for amplifying an input signal to generate an amplified signal; a latching unit, for latching the amplified signal and receiving a second bias current in a second state to output the amplified signal; and a biasing circuit, for providing a biasing current to the amplifying circuit, and providing the second biasing current to the latching unit. The biasing circuit includes: a first biasing module for providing a third biasing circuit to the amplifying circuit in the first state; and a second biasing module, for providing a fourth biasing current to the amplified circuit; wherein the first biasing circuit is equal to a sum of the third biasing current and the fourth biasing current.

摘要翻译： 锁存器包括：放大电路，用于接收第一状态的第一偏置电流，用于放大输入信号以产生放大信号; 锁存单元，用于锁存放大的信号并在第二状态接收第二偏置电流以输出放大的信号; 以及偏置电路，用于向放大电路提供偏置电流，并向锁存单元提供第二偏置电流。 偏置电路包括：第一偏置模块，用于在第一状态下向放大电路提供第三偏置电路; 以及第二偏置模块，用于向放大电路提供第四偏置电流; 其中所述第一偏置电路等于所述第三偏置电流和所述第四偏置电流的和。