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公开(公告)号：EP1528667A3
公开(公告)日：2006-02-01
申请号：EP04025774.3
申请日：2004-10-29
发明人： Kawamura, Hiroshi
CPC分类号： H03G1/007 , H03F1/22 , H03F1/302 , H03G1/0082
摘要： A variable amplifier includes: multiple parallel signal-amplifying bipolar transistors Q1 to Q3 between an input terminal INPUT and an output terminal OUTPUT, the transistors Q1 to Q3 each having an emitter connected to ground, the paths from the input terminal INPUT to the output terminal OUTPUT through the transistors Q 1 to Q3 differing from each other in a characteristic: and a base current control circuit controlling base currents of the transistors Q1 to Q3 so that the variable amplifier exhibits a variable overall characteristic. This enables the amplifier to be directly coupled to a single-ended signal source, such as an antenna or a filter connected to the antenna. The amplifier can therefore be incorporated to receiver circuitry in a mobile wireless terminal without using a balun or like component. A mobile wireless terminal with excellent reception sensitivity and other characteristics can be provided in the variable amplifier, directly coupled to a single-ended signal source, and the receiver circuitry require less mounting footprint and measure less in thickness.
摘要翻译： 可变放大器包括：多个平行的信号放大的双极晶体管Q1〜INPUT输入端子之间以及输出端OUTPUT，晶体管Q1至Q3各自具有连接到接地发射极Q3，从输入端输入到输出端的路径 OUTPUT通过晶体管Q 1至Q 3中的特性从不同的海誓山盟：和一个基极电流控制电路，控制晶体管Q1〜Q3的基极电流所以也可变放大器表现出可变的整体特性。 这使得放大器被直接连接到一个单端信号源，如谋求天线或连接至所述天线的过滤器。 该放大器，因此可以引入到接收器中的移动无线终端的电路不使用平衡 - 不平衡变换器或类似的部件。 可以在可变放大器来提供具有优异的接收灵敏度等特性的移动无线终端，直接耦合到一个单端信号源，和接收机电路需要更少的安装覆盖区和在厚度测量以下。
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2.发明公开
公开(公告)号：EP2045920A1
公开(公告)日：2009-04-08
申请号：EP08016713.3
申请日：2008-09-23
发明人： Kawamura, Hiroshi
IPC分类号： H03K17/06
CPC分类号： H03K17/302 , H03K17/0406 , H03K17/063 , H03K2017/6875 , H03K2217/0036
摘要： A switching circuit (100) for preventing malfunction of a switching device formed of a wide band-gap semiconductor used for switching a high-power main power supply includes a normally-off type FET (130) having a gate electrode, a source electrode connected to the ground, and a drain electrode connected to a power supply potential Vdd, and a normally-on type FET (132) having drain and source electrodes connected to the gate and source electrodes of the FET (130), respectively, and a gate electrode. In the absence of any power supply, the normally-on type FET (132) turns on. As a result, the gate/source potential of FET (130) attains to 0V, and FET (130) is kept off.
摘要翻译： 用于防止由用于切换大功率主电源的宽带隙半导体形成的开关器件的故障的开关电路（100）包括：常开型FET（130），具有栅电极，源电极连接 连接到电源电位Vdd的漏电极和分别连接到FET（130）的栅极和源电极的漏极和源极的正常导通型FET（132），以及栅极 电极。 在没有任何电源的情况下，常开型FET（132）导通。 结果，FET（130）的栅极/源极电位达到0V，并且FET（130）保持截止。
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公开(公告)号：EP1524769B1
公开(公告)日：2008-07-30
申请号：EP04024094.7
申请日：2004-10-08
发明人： Kawamura, Hiroshi
IPC分类号： H03K19/086
CPC分类号： H03K19/0866
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公开(公告)号：EP1524769A3
公开(公告)日：2007-07-25
申请号：EP04024094.7
申请日：2004-10-08
发明人： Kawamura, Hiroshi
IPC分类号： H03K19/086
CPC分类号： H03K19/0866
摘要： A current switch circuit of the present invention is arranged in such a manner that differential pairs D 1-D3 are piled up in a multi-stage fashion, and one sides of the differential pairs D 1-D3 are connected to respective reference voltages VR1-VR3 of a reference voltage generating circuit RVC, while the other sides of the differential pairs D1-D3 are connected to a control voltage generating circuit CVC. With this circuitry, switching voltages uniquely correspond to voltages generated by the reference voltage generating circuit RVC, and also a constant voltage operation can be performed. Moreover, the control voltage generating circuit CVC can control differential pairs which perform only a unipolar operation with which a current sorely flows in or flows out. The current switch circuit of the present invention is a circuit in which a plurality of current paths are switched in an analog fashion. Also, this circuit makes it easy to arrange the control characteristics and design a control section, and can operated with a low power supply voltage. According to the present invention, furthermore, an amplifier and a mobile terminal that adopt the aforesaid current switch circuit are provided.
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公开(公告)号：EP2899054A3
公开(公告)日：2015-12-16
申请号：EP15000144.4
申请日：2015-01-20
IPC分类号： B60L3/04 , G01R31/327 , H01H71/04 , H02H3/00 , B60L11/18
CPC分类号： B60L3/04 , B60L11/18 , B60L2230/12 , G01R31/3278 , H02H3/05 , H02H3/202 , H02H9/02 , Y02T10/7088 , Y02T90/12 , Y02T90/121
摘要： A connection system forms an electric path through which power transmission is performed between an electric vehicle and a power conditioner system. The electric vehicle includes a relay circuit that opens the electric path if a voltage equal to or above a predetermined value is applied between voltage output terminals. The connection system includes a fuse that blows in response to a current input thereto equal to or above a predetermined value and a resistor connected in parallel with the fuse.
摘要翻译： 连接系统形成在电动车辆和功率调节器系统之间执行功率传输的电气路径。 电动车辆包括继电器电路，如果在电压输出端子之间施加等于或高于预定值的电压，则继电器电路打开电路。 该连接系统包括响应于等于或高于预定值的电流输入而吹出的熔丝以及与熔丝并联连接的电阻器。
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公开(公告)号：EP1837989A1
公开(公告)日：2007-09-26
申请号：EP06024072.8
申请日：2006-11-20
CPC分类号： H03F3/72 , H01L27/0207 , H01L29/41758 , H01L29/4238 , H03F1/223 , H03F1/26 , H03F2200/294 , H03F2200/372 , H03F2203/7236 , H03G1/0029 , H03G1/0088
摘要： A variable gain amplifier is provided that can obtain a wide range of gain variation and suppress the deterioration of linearity when switching between amplifying transistors. ' The variable gain amplifier includes a plurality of cascode amplifiers each including an amplifying transistor and a plurality of cascode transistors connected in a cascode arrangement to an output terminal of the amplifying transistor. The plurality of cascode amplifiers are connected through attenuators. The variable gain amplifier further includes a first controller that controls ON/OFF operations of the plurality of cascode transistors included in each cascode amplifier; and a second controller that controls ON/OFF operations of a plurality of amplifying transistors, only one of which is included in each of the plurality of cascode amplifiers, such that only selected one of the plurality of amplifying transistors is turned on.
摘要翻译： 提供了一种可变增益放大器，其可以获得宽范围的增益变化，并且在放大晶体管之间切换时抑制线性的劣化。 “可变增益放大器包括多个共源共栅放大器，每个包括放大晶体管和以共源共栅组装置连接到放大晶体管的输出端的多个共源共栅晶体管。 多个共源共栅放大器通过衰减器连接。 可变增益放大器还包括：第一控制器，其控制包括在每个共射共基放大器中的多个共源共栅晶体管的接通/断开操作; 以及第二控制器，其控制多个放大晶体管的ON / OFF操作，其中仅一个放大晶体管中的一个被包括在所述多个共源共栅放大器的每一个中，使得仅所述多个放大晶体管中的所选择的一个放大晶体管导通。
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公开(公告)号：EP2899054A2
公开(公告)日：2015-07-29
申请号：EP15000144.4
申请日：2015-01-20
IPC分类号： B60L3/04
CPC分类号： B60L3/04 , B60L11/18 , B60L2230/12 , G01R31/3278 , H02H3/05 , H02H3/202 , H02H9/02 , Y02T10/7088 , Y02T90/12 , Y02T90/121
摘要： A connection system forms an electric path through which power transmission is performed between an electric vehicle and a power conditioner system. The electric vehicle includes a relay circuit that opens the electric path if a voltage equal to or above a predetermined value is applied between voltage output terminals. The connection system includes a fuse that blows in response to a current input thereto equal to or above a predetermined value and a resistor connected in parallel with the fuse.
摘要翻译： 连接系统形成在电动车辆和功率调节器系统之间进行动力传递的电路径。 电动车辆包括如果在电压输出端子之间施加等于或高于预定值的电压则断开电路的继电器电路。 连接系统包括响应于等于或高于预定值的电流输入而熔断的熔断器和与保险丝并联连接的电阻器。
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8.发明公开Current switch circuit, amplifier, and mobile terminal 有权Stromschalter，Verstärkerund mobileilesEndgerät
公开(公告)号：EP1524769A2
公开(公告)日：2005-04-20
申请号：EP04024094.7
申请日：2004-10-08
发明人： Kawamura, Hiroshi
IPC分类号： H03K19/086
CPC分类号： H03K19/0866
摘要： A current switch circuit of the present invention is arranged in such a manner that differential pairs D 1-D3 are piled up in a multi-stage fashion, and one sides of the differential pairs D 1-D3 are connected to respective reference voltages VR1-VR3 of a reference voltage generating circuit RVC, while the other sides of the differential pairs D1-D3 are connected to a control voltage generating circuit CVC. With this circuitry, switching voltages uniquely correspond to voltages generated by the reference voltage generating circuit RVC, and also a constant voltage operation can be performed. Moreover, the control voltage generating circuit CVC can control differential pairs which perform only a unipolar operation with which a current sorely flows in or flows out. The current switch circuit of the present invention is a circuit in which a plurality of current paths are switched in an analog fashion. Also, this circuit makes it easy to arrange the control characteristics and design a control section, and can operated with a low power supply voltage. According to the present invention, furthermore, an amplifier and a mobile terminal that adopt the aforesaid current switch circuit are provided.
摘要翻译： 本发明的电流开关电路以多级方式布置差分对D 1 -D 3，并且差分对D 1 -D 3的一侧连接到相应的参考电压VR1- VR3，而差分对D1-D3的另一侧连接到控制电压产生电路CVC。 利用该电路，开关电压唯一地对应于由参考电压产生电路RVC产生的电压，并且还可以执行恒定电压操作。 此外，控制电压产生电路CVC可以控制仅执行电流流入或流出的单极操作的差分对。 本发明的电流开关电路是以模拟方式切换多个电流路径的电路。 此外，该电路易于布置控制特性并设计控制部分，并且可以以低电源电压工作。 此外，根据本发明，提供了采用上述电流开关电路的放大器和移动终端。
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9.发明公开Power supply device, power supply system, and electronic device 审中-公开Stromversorgungsvorrichtung，Stromversorgungssystem und elektronische Vorrichtung
公开(公告)号：EP2879263A1
公开(公告)日：2015-06-03
申请号：EP14003095.8
申请日：2014-09-08
IPC分类号： H02J3/38
CPC分类号： G05B15/02 , H02J3/12 , H02J13/0048 , H02J2003/388 , Y02B90/263 , Y02E60/783 , Y04S40/123
摘要： A power supply device performs grid connected operation and autonomous operation. The grid connected operation is operation in which power is supplied from an AC power network and a DC power source to a load. The autonomous operation is operation in which the power supply device is disconnected from the AC power network and power is supplied from the DC power source to the load. The power supply device includes a power inverter configured to receive a DC power supplied from the DC power source and output an AC power, an operation mode switching unit configured to switch between grid connected operation and autonomous operation, and an output information control unit configured to control output information about the AC power output from the power inverter.
摘要翻译： 电源装置执行并网运行和自主运行。 并网运行是从交流电网和直流电源向负载供电的运行。 自主操作是电源装置与交流电网断开的动作，从直流电源向负载供电。 电源装置包括：电力逆变器，被配置为接收从直流电源提供的直流电力并输出交流电;操作模式切换单元，被配置为在电网连接操作和自主操作之间切换;以及输出信息控制单元， 控制从电源逆变器输出的交流电源的输出信息。
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公开(公告)号：EP1528667B1
公开(公告)日：2007-12-19
申请号：EP04025774.3
申请日：2004-10-29
发明人： Kawamura, Hiroshi
CPC分类号： H03G1/007 , H03F1/22 , H03F1/302 , H03G1/0082
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