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    • 1. 发明授权
    • Phase-shifting circuit and multibit phase shifter
    • 移相电路和多位移相器
    • US07541894B2
    • 2009-06-02
    • US10594009
    • 2004-07-27
    • Kenichi MiyaguchiMorishige HiedaTamotsu NishinoMasatake HangaiMoriyasu MiyazakiYukihisa YoshidaTadashi TakagiMikio Hatamoto
    • Kenichi MiyaguchiMorishige HiedaTamotsu NishinoMasatake HangaiMoriyasu MiyazakiYukihisa YoshidaTadashi TakagiMikio Hatamoto
    • H01P9/00
    • H01P1/185H03H11/20H03H11/48H03H19/008
    • A phase-shifting circuit includes: a first parallel circuit which is connected across input and output terminals of a high frequency signal, composed of a first inductor and a first switching element that exhibits a through state in an ON state and a capacitive property in an OFF state, and produces parallel resonance at a prescribed frequency when the first switching element is in the OFF state; a series circuit composed of a second inductor and a third inductor and connected in parallel with the first parallel circuit; a capacitor having its first terminal connected to a point of connection of the second and third inductors; and a second parallel circuit which is connected across a second terminal of the capacitor and a ground, composed of a fourth inductor and a second switching element that exhibits a through state in an ON state and a capacitive property in an OFF state, and produces parallel resonance at a prescribed frequency when the second switching element is in the OFF state. The phase-shifting circuit establishes by switching an operation mode of setting the first switching element at the ON state and the second switching element at the OFF state, or an operation mode of setting the first switching element at the OFF state and the second switching element at the ON state.
    • 一种移相电路包括:第一并联电路,其连接在高频信号的输入和输出端上,该第一并联电路由第一电感器和第一开关元件组成,该第一电感器和第一开关元件呈现导通状态的通态, OFF状态,并且当所述第一开关元件处于OFF状态时,以规定频率产生并联谐振; 串联电路,由第二电感器和第三电感器组成,并与第一并联电路并联; 电容器,其第一端子连接到第二和第三电感器的连接点; 以及连接在电容器的第二端子和地之间的第二并联电路,由第四电感器和第二开关元件构成,该第四电感器和第二开关元件呈现处于导通状态的通状态和处于断开状态的电容性质,并且产生并联 当第二开关元件处于断开状态时以规定频率进行谐振。 移相电路通过切换将处于导通状态的第一开关元件设定为OFF状态的操作模式,或者将第一开关元件设定为OFF状态的操作模式和第二开关元件 在ON状态。
    • 2. 发明申请
    • Phase-shifting circuit and multibit phase shifter
    • 移相电路和多位移相器
    • US20070273456A1
    • 2007-11-29
    • US10594009
    • 2004-07-27
    • Kenichi MiyaguchiMorishige HiedaTamotsu NishinoMasatake HangaiMoriyasu MiyazakiYukihisa YoshidaTadashi TakagiMikio Hatamoto
    • Kenichi MiyaguchiMorishige HiedaTamotsu NishinoMasatake HangaiMoriyasu MiyazakiYukihisa YoshidaTadashi TakagiMikio Hatamoto
    • H03H11/20
    • H01P1/185H03H11/20H03H11/48H03H19/008
    • A phase-shifting circuit includes: a first parallel circuit which is connected across input and output terminals of a high frequency signal, composed of a first inductor and a first switching element that exhibits a through state in an ON state and a capacitive property in an OFF state, and produces parallel resonance at a prescribed frequency when the first switching element is in the OFF state; a series circuit composed of a second inductor and a third inductor and connected in parallel with the first parallel circuit; a capacitor having its first terminal connected to a point of connection of the second and third inductors; and a second parallel circuit which is connected across a second terminal of the capacitor and a ground, composed of a fourth inductor and a second switching element that exhibits a through state in an ON state and a capacitive property in an OFF state, and produces parallel resonance at a prescribed frequency when the second switching element is in the OFF state. The phase-shifting circuit establishes by switching an operation mode of setting the first switching element at the ON state and the second switching element at the OFF state, or an operation mode of setting the first switching element at the OFF state and the second switching element at the ON state.
    • 一种移相电路包括:第一并联电路,其连接在高频信号的输入和输出端上,该第一并联电路由第一电感器和第一开关元件组成,该第一电感器和第一开关元件呈现导通状态的通态, OFF状态,并且当所述第一开关元件处于OFF状态时,以规定频率产生并联谐振; 串联电路,由第二电感器和第三电感器组成,并与第一并联电路并联; 电容器,其第一端子连接到第二和第三电感器的连接点; 以及连接在电容器的第二端子和地之间的第二并联电路,由第四电感器和第二开关元件构成,该第四电感器和第二开关元件呈现处于导通状态的通状态和处于断开状态的电容性质,并且产生并联 当第二开关元件处于断开状态时以规定频率进行谐振。 移相电路通过切换将处于导通状态的第一开关元件设定为OFF状态的操作模式,或者将第一开关元件设定为OFF状态的操作模式和第二开关元件 在ON状态。
    • 8. 发明授权
    • High-frequency switch
    • 高频开关
    • US07612633B2
    • 2009-11-03
    • US11748852
    • 2007-05-15
    • Masatake HangaiYukinobu TaruiTamotsu NishinoYoshitsugu YamamotoMoriyasu MiyazakiYoji Isota
    • Masatake HangaiYukinobu TaruiTamotsu NishinoYoshitsugu YamamotoMoriyasu MiyazakiYoji Isota
    • H01P1/10H01P1/15
    • H01P1/15
    • The present invention provides a high-frequency switch including: a first switching element connected between a first input/output terminal and a second input/output terminal; a second switching element connected between the second input/output terminal and the first switching element; a high-frequency line provided between the first input/output terminal, the first switching element, and a third input/output terminal; and a third switching element connected between the third input/output terminal, the high-frequency line, and a ground. By connecting the first switching element, the second switching element, the high-frequency line, and the third switching element, because there exists no FET through which a large current flows when a state between the first input/output terminal and the third input/output terminal is set to a transmission state which requires high power handling capability, there is no need to use an FET having a large gate width, which is effective in reducing a loss of the switch.
    • 本发明提供一种高频开关,包括:连接在第一输入/输出端子和第二输入/输出端子之间的第一开关元件; 连接在第二输入/输出端子和第一开关元件之间的第二开关元件; 设置在第一输入/输出端子,第一开关元件和第三输入/输出端子之间的高频线; 以及连接在第三输入/输出端子,高频线路和地之间的第三开关元件。 通过连接第一开关元件,第二开关元件,高频线路和第三开关元件,因为当第一输入/输出端子和第三输入/输出端子之间的状态不存在大电流流过的FET时, 输出端子被设置为需要高功率处理能力的传输状态,不需要使用具有大栅极宽度的FET,这有效地减少了开关损耗。
    • 9. 发明申请
    • HIGH-FREQUENCY SWITCH
    • 高频开关
    • US20080106353A1
    • 2008-05-08
    • US11748852
    • 2007-05-15
    • Masatake HangaiYukinobu TaruiTamotsu NishinoYoshitsugu YamamotoMoriyasu MiyazakiYoji Isota
    • Masatake HangaiYukinobu TaruiTamotsu NishinoYoshitsugu YamamotoMoriyasu MiyazakiYoji Isota
    • H01P1/15
    • H01P1/15
    • The present invention provides a high-frequency switch including: a first switching element connected between a first input/output terminal and a second input/output terminal; a second switching element connected between the second input/output terminal and the first switching element; a high-frequency line provided between the first input/output terminal, the first switching element, and a third input/output terminal; and a third switching element connected between the third input/output terminal, the high-frequency line, and a ground. By connecting the first switching element, the second switching element, the high-frequency line, and the third switching element, because there exists no FET through which a large current flows when a state between the first input/output terminal and the third input/output terminal is set to a transmission state which requires high power handling capability, there is no need to use an FET having a large gate width, which is effective in reducing a loss of the switch.
    • 本发明提供一种高频开关,包括:第一开关元件,连接在第一输入/输出端子与第二输入/输出端子之间; 连接在第二输入/输出端子和第一开关元件之间的第二开关元件; 设置在第一输入/输出端子,第一开关元件和第三输入/输出端子之间的高频线; 以及连接在第三输入/输出端子,高频线路和地之间的第三开关元件。 通过连接第一开关元件,第二开关元件,高频线路和第三开关元件,因为当第一输入/输出端子和第三输入/输出端子之间的状态不存在大电流流过的FET时, 输出端子被设置为需要高功率处理能力的传输状态,不需要使用具有大栅极宽度的FET,这有效地减少了开关损耗。