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公开(公告)号：US20150372365A1
公开(公告)日：2015-12-24
申请号：US14838425
申请日：2015-08-28
发明人： Takaya WADA , Yoshiki YAMADA
CPC分类号： H01P1/365 , H01F7/0278 , H01F38/14 , H01F2038/146 , H01P1/213 , H01P1/2135 , H01P1/36
摘要： An irreversible circuit element includes first and second high pass isolators each including first and second center electrodes intersecting with and being insulated from each other on a ferrite to which a direct-current magnetic field is applied with a permanent magnet. One end of the first center electrode is an output port and the other end thereof is an input port, and one end of the second center electrode is another output port and the other end thereof is a ground port. A pass frequency band of the first isolator is higher than a pass frequency band of the second isolator. Respective output portions of the first and second isolators are electrically connected and defined as one output terminal, and a low pass filter LPF is inserted between the output terminal and the output port of the second isolator.
摘要翻译： 不可逆电路元件包括第一和第二高通隔离器，每个第一和第二高通隔离器包括在直流磁场施加有永磁体的铁氧体上彼此相交并彼此绝缘的第一和第二中心电极。 第一中心电极的一端是输出端口，另一端为输入端口，第二中心电极的一端为另一输出端口，另一端为接地端口。 第一隔离器的通过频带高于第二隔离器的通过频带。 第一和第二隔离器的相应输出部分电连接并定义为一个输出端子，并且低通滤波器LPF插入在第二隔离器的输出端子和输出端口之间。
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公开(公告)号：US20130147574A1
公开(公告)日：2013-06-13
申请号：US13761951
申请日：2013-02-07
发明人： Takaya WADA
IPC分类号： H01P1/36
摘要： In a non-reciprocal circuit element, a first center electrode and a second center electrode are disposed in a ferrite so as to intersect with each other in an insulated state. The ferrite receives a direct-current magnetic field from a permanent magnet. One end of the first center electrode is connected to a first port, the other end thereof is connected to a second port, one end of the second center electrode is connected to the second port, and the other end thereof is connected to a third port. Between the first and second ports, a terminating resistor and a capacitance-variable capacitor are connected in parallel to the first center electrode. By changing the capacitance value of the capacitor, the isolation frequency is adjusted.
摘要翻译： 在不可逆电路元件中，第一中心电极和第二中心电极以绝缘状态彼此交叉的方式设置在铁氧体中。 铁氧体从永磁体接收直流磁场。 第一中心电极的一端连接到第一端口，另一端连接到第二端口，第二中心电极的一端连接到第二端口，另一端连接到第三端口 。 在第一和第二端口之间，终端电阻器和电容可变电容器并联连接到第一中心电极。 通过改变电容器的电容值，调节隔离频率。
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公开(公告)号：US20180234078A1
公开(公告)日：2018-08-16
申请号：US15956032
申请日：2018-04-18
发明人： Takaya WADA , Koji NOSAKA
CPC分类号： H03H9/58 , H03H9/6403 , H03H9/6406 , H03H9/6483 , H03H2009/02165 , H03H2210/025 , H03H2210/033 , H03H2210/036
摘要： A tunable filter includes a series-arm resonant circuit, and a parallel-arm resonant circuit. The series-arm resonant circuit includes a group of acoustic wave resonant circuits that have different resonant frequencies, a variable capacitor, and switching circuits. The parallel-arm resonant circuit includes another group of acoustic wave resonant circuits that have different resonant frequencies, a variable capacitor, and switching circuits. For example, the difference in pass-band frequency caused by the difference in resonant frequency between the acoustic wave resonant circuit in the group and the acoustic wave resonant circuit in the other group is greater than the maximum difference in pass-band frequency resulting from the variable range of capacitance of the variable capacitor.
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公开(公告)号：US20150171499A1
公开(公告)日：2015-06-18
申请号：US14633460
申请日：2015-02-27
发明人： Takaya WADA
摘要： A non-reciprocal circuit element includes high-pass-type first and second isolators, which are each provided with first and second central electrodes that are arranged on a ferrite so as to cross each other while being insulated from each other, the ferrite being applied with a direct-current magnetic field by permanent magnets. One end of the first central electrode defines an input port and another end of the first central electrode defines an output port, and one end of the second central electrode defines the input port and another end of the second central electrode defines a ground port. A pass frequency band of the first isolator is higher than a pass frequency band of the second isolator. Inputs of the isolators are electrically connected to each other to define a single input terminal IN and a low-pass filter LPF is provided between the input terminal IN and the input port of the second isolator.
摘要翻译： 不可逆电路元件包括高通型第一和第二隔离器，它们分别设置有第一和第二中心电极，第一和第二中心电极布置在铁氧体上以彼此绝缘彼此交叉，所施加的铁氧体 具有永磁体的直流磁场。 第一中心电极的一端限定输入端口，第一中心电极的另一端限定输出端口，第二中心电极的一端限定输入端口，第二中心电极的另一端限定接地端口。 第一隔离器的通过频带高于第二隔离器的通过频带。 隔离器的输入彼此电连接以限定单个输入端子IN，并且在输入端子IN和第二隔离器的输入端口之间提供低通滤波器LPF。
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公开(公告)号：US20140080431A1
公开(公告)日：2014-03-20
申请号：US14088470
申请日：2013-11-25
发明人： Takaya WADA , Reiji NAKAJIMA
摘要： A non-reciprocal circuit element includes a ferrite, a first central electrode and a second central electrode arranged on the ferrite so as to cross each other in an insulated state, and a permanent magnet that applies a DC magnetic field to a portion where the first and second central electrodes cross each other. One end of the first central electrode defines an input port, and the other end thereof defines an output port. One end of the second central electrode defines the input port, and the other end thereof defines a ground port. A resistance element and a capacitance element, which are connected in parallel with each other, are connected in series with and between the input port and the output port. Input impedance is lowered by making inductance of the second central electrode relatively large.
摘要翻译： 不可逆电路元件包括铁氧体，第一中心电极和布置在铁氧体上以在绝缘状态彼此交叉的第二中心电极，以及永磁体，其将DC磁场施加到第一 并且第二中心电极彼此交叉。 第一中心电极的一端限定输入端口，另一端限定输出端口。 第二中心电极的一端限定输入端口，另一端限定接地端口。 彼此并联连接的电阻元件和电容元件与输入端口和输出端口串联连接。 通过使第二中心电极的电感相对较大来降低输入阻抗。
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公开(公告)号：US20240322758A1
公开(公告)日：2024-09-26
申请号：US18668341
申请日：2024-05-20
CPC分类号： H03F1/0233 , H03F3/245 , H03F2200/105 , H03F2200/451
摘要： A power amplifier circuit includes a power amplifier configured to amplify radio-frequency signal, a supply voltage terminal coupled to the power amplifier, and a bypass capacitor coupled between ground and a supply voltage path connecting the supply voltage terminal to the power amplifier. A supply voltage (VDET) is configured to be supplied to the power amplifier through the supply voltage terminal, and the supply voltage (VDET) is configured to vary across multiple discrete voltage levels within a single frame of radio-frequency signals. The first bypass capacitor has an electrostatic capacity equal to or higher than a specific value that is determined to cause the power amplifier circuit with the first supply voltage to have a higher efficiency than a threshold efficiency. In some exemplary embodiments, the bypass capacitor has an electrostatic capacity equal to or higher than 1.4 nanofarads.
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7.发明申请公开(公告)号：US20200321157A1
公开(公告)日：2020-10-08
申请号：US16838918
申请日：2020-04-02
发明人： Hiraku KAWAI , Noboru SHIOKAWA , Yuichi IIDA , Yoshitaka MATSUKI , Masahiro KUBOTA , Kenji NISHIYAMA , Takaya WADA , Tadashi WASHIMORI , Rikiya SANO , Chiharu SAKAKI
摘要： An electronic component includes a single-layer glass plate, an outer-surface conductor that is disposed above an outer surface of the single-layer glass plate and that is at least a part of an electrical element, and a terminal electrode that is a terminal of the electrical element. The terminal electrode is disposed above the outer surface of the single-layer glass plate and being electrically connected to the outer-surface conductor.
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公开(公告)号：US20170279175A1
公开(公告)日：2017-09-28
申请号：US15620849
申请日：2017-06-13
发明人： Takaya WADA , Yoshiki YAMADA
CPC分类号： H01P1/365 , H01F7/0278 , H01F38/14 , H01F2038/146 , H01P1/213 , H01P1/2135 , H01P1/36
摘要： An irreversible circuit element includes first and second high pass isolators each including first and second center electrodes intersecting with and being insulated from each other on a ferrite to which a direct-current magnetic field is applied with a permanent magnet. One end of the first center electrode is an output port and the other end thereof is an input port, and one end of the second center electrode is another output port and the other end thereof is a ground port. A pass frequency band of the first isolator is higher than a pass frequency band of the second isolator. Respective output portions of the first and second isolators are electrically connected and defined as one output terminal, and a low pass filter LPF is inserted between the output terminal and the output port of the second isolator.
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公开(公告)号：US20190214969A1
公开(公告)日：2019-07-11
申请号：US16355978
申请日：2019-03-18
发明人： Takaya WADA , Koji NOSAKA
摘要： A filter includes a series-arm resonator located on a path that connects an input/output terminal (11m) with an input/output terminal (11n), and a first parallel-arm resonant circuit connected between a node, which is located on the path, and ground. The first parallel-arm resonant circuit includes a parallel-arm resonator, and a pair of a capacitor and a switch connected in parallel with each other and in series with the parallel-arm resonator between the parallel-arm resonator and ground. An interconnect line (a1) is connected to the input/output terminal (11m), and an interconnect line (a2) is connected to the input/output terminal. The parallel-arm resonator and the switch are connected by an interconnect line (a3). The interconnect line (a3) has a characteristic impedance lower than a characteristic impedance of the interconnect line (a1) or a characteristic impedance of the interconnect line (a2).
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公开(公告)号：US20160173056A1
公开(公告)日：2016-06-16
申请号：US15018926
申请日：2016-02-09
IPC分类号： H03H7/52 , H04B1/3827 , H04B1/04
CPC分类号： H03H7/52 , H01P1/36 , H04B1/04 , H04B1/3827
摘要： An isolator includes a core isolator, a main substrate and a circuit-defining section. The main substrate includes a first wiring portion, a second wiring portion and a third wiring portion and has the core isolator and the circuit-defining section mounted thereon. An input port of the core isolator is connected to the first wiring portion. An output port of the core isolator is connected to the second wiring portion. A ground port of the core isolator is connected to the third wiring portion. In the circuit-defining section, a conductor pattern includes a capacitor that is connected in parallel with the core isolator via the first wiring portion and the second wiring portion, and an impedance element that is connected to at least either of the first wiring portion and the second wiring portion.
摘要翻译： 隔离器包括芯隔离器，主基板和电路限定部分。 主基板包括第一布线部分，第二布线部分和第三布线部分，并且其上安装有芯隔离器和电路限定部分。 芯隔离器的输入端口连接到第一布线部分。 芯隔离器的输出端口连接到第二布线部分。 芯隔离器的接地端口连接到第三布线部分。 在电路定义部分中，导体图案包括经由第一布线部分和第二布线部分与芯隔离器并联连接的电容器，以及阻抗元件，其连接到第一布线部分和第二布线部分中的至少一个， 第二配线部。
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