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1. 发明授权

US08816771B2 Signal amplifying circuit with reduced output signal noise by introducing coupling effect and related method thereof 有权
标题翻译：信号放大电路通过引入耦合效应降低输出信号噪声及其相关方法
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。

2. 发明申请

US20130278320A1 MIXER FOR MIXING INPUT SIGNAL WITH MULTIPLE OSCILLATING SIGNALS HAVING DIFFERENT PHASES AND RELATED MIXING METHOD THEREOF 审中-公开
标题翻译：用于混合输入信号的混合器与具有不同相位的多个振荡信号及其相关的混合方法
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。

3. 发明申请

US20130029601A1 COMMUNICATION DEVICE WITH SIMULTANEOUS WIRELESS LAN AND BLUE-TOOTH COMMUNICATION CAPABILITY 有权
标题翻译：具有同步无线LAN和蓝牙通信能力的通信设备
公开(公告)号：US20130029601A1
公开(公告)日：2013-01-31
申请号：US13559090
申请日：2012-07-26
申请人： Ka-Un CHAN , Yi-Shao Chang , Yi-Chang Shih
发明人： Ka-Un CHAN , Yi-Shao Chang , Yi-Chang Shih
IPC分类号： H04W88/02
CPC分类号： H04W88/06
摘要： A communication device is disclosed, having a wireless LAN transceiver, a wireless LAN demodulation circuit, a Bluetooth transceiver, a Bluetooth demodulation circuit, an oscillator, and a mixer. The wireless LAN transceiver conducts communication in a first frequency band and the wireless LAN demodulation circuit demodulates the wireless LAN signals. The Bluetooth transceiver conducts communication in a second band and a third frequency band, which are higher and lower than the first frequency band, respectively. The oscillator generates oscillating signals. The mixer mixes the signals in the second frequency band with an oscillating signal, which is higher than the second frequency band, and mixes the signals in the third frequency band with another oscillating signal, which is lower than the third frequency band to generate mixed signals. The Bluetooth demodulation circuit demodulates the mixed signals of the mixer.
摘要翻译：公开了具有无线LAN收发器，无线LAN解调电路，蓝牙收发器，蓝牙解调电路，振荡器和混频器的通信设备。无线LAN收发器在第一频带中进行通信，并且无线LAN解调电路解调无线LAN信号。蓝牙收发器分别在比第一频带高和低的第二频带和第三频带进行通信。振荡器产生振荡信号。混频器将第二频带中的信号与高于第二频带的振荡信号混频，并将第三频带中的信号与低于第三频带的另一振荡信号混频以产生混合信号。蓝牙解调电路解调混频器的混合信号。

4. 发明授权

US07701258B2 Latch 有权
标题翻译：锁定
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。

5. 发明申请

US20080136482A1 Latch 有权
标题翻译：锁定
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。

6. 发明授权

US08860507B2 Amplifier with gain circuit coupeld to primary coil of transformer 有权
标题翻译：具有增益电路的放大器耦合到变压器的初级线圈
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。

7. 发明申请

US20120314810A1 RECEIVER/TRANSMITTER CAPABLE OF SIMULTANEOUSLY RECEIVING/TRANSMITTING DISCONTINUOUS FREQUENCY SIGNALS AND METHOD THEREOF 有权
标题翻译：接收机/发射机同时接收/发送不连续的频率信号及其方法
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。

8. 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。

9. 发明授权

US07859807B2 ESD protection circuit and method thereof 有权
标题翻译： ESD保护电路及其方法
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。

10. 发明申请

US20080232010A1 ESD PROTECTION CIRCUIT AND METHOD THEREOF 有权
标题翻译： ESD保护电路及其方法
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。

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