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70 条记录 (耗时 0.028 秒)

    Linearizer
    3.
    发明授权
    Linearizer 失效
    线性化器

    公开(公告)号：US07557654B2

    公开(公告)日：2009-07-07

    申请号：US11660136

    申请日：2004-10-28

    申请人： Hifumi Noto ,  Kazuhisa Yamauchi ,  Yoshihiro Hamamatsu ,  Tomokazu Hamada ,  Masatoshi Nakayama

    发明人： Hifumi Noto ,  Kazuhisa Yamauchi ,  Yoshihiro Hamamatsu ,  Tomokazu Hamada ,  Masatoshi Nakayama

    IPC分类号： H03F1/26 ,  H03F1/30

    CPC分类号： H03F1/3276 ,  H03F1/3223 ,  H03F2200/468

    摘要： A linearizer changes a gain characteristic to a valley characteristic in which a gain reduces and then increases. The linearizer includes: a signal path in which an RF signal input terminal an input side bias blocking capacitor, a diode pair, including diodes having opposite polarities to each other, an output side bias blocking capacitor and an RF signal output terminal in series in the stated order; a bias circuit in which a resistor is provided between and a signal path formed between the input side bias blocking capacitor and the diode pair and a bias terminal; an RF short-circuiting capacitor whose one end is connected with the bias circuit between the bias terminal and the resistor and whose other end is grounded; and a DC feed inductor whose one end is connected with the signal path between the diode pair and the output side bias blocking capacitor and whose other end is grounded.

    摘要翻译： 线性化器将增益特性改变为增益减小然后增加的谷特性。 线性化装置包括：信号路径，其中RF信号输入端子，输入侧偏置阻塞电容器，二极管对，包括彼此具有相反极性的二极管，输出侧偏置阻塞电容器和RF信号输出端子串联连接 命令; 在其间设置有电阻器和在输入侧偏置阻断电容器和二极管对之间形成的信号路径和偏置端子之间的偏置电路; RF短路电容器，其一端与偏置端子和电阻器之间的偏置电路连接，另一端接地; 以及直流馈电电感，其一端与二极管对和输出侧偏压电容之间的信号路径连接，另一端接地。

    Linearizer
    4.
    发明申请
    Linearizer 失效
    线性化器

    公开(公告)号：US20070241815A1

    公开(公告)日：2007-10-18

    申请号：US11660136

    申请日：2004-10-28

    申请人： Hifumi Noto ,  Kazuhide Yamauchi ,  Yoshihiro Hamamatsu ,  Tomokazu Hamada ,  Masatoshi Nakayama

    发明人： Hifumi Noto ,  Kazuhide Yamauchi ,  Yoshihiro Hamamatsu ,  Tomokazu Hamada ,  Masatoshi Nakayama

    IPC分类号： H03F1/30

    CPC分类号： H03F1/3276 ,  H03F1/3223 ,  H03F2200/468

    摘要： A linearizer changes a gain characteristic to a valley characteristic in which a gain reduces and then increases. The linearizer includes: a signal path in which an RF signal input terminal (1), an input side bias blocking capacitor (4), a diode pair (8, 12) including diodes having opposite polarities to each other, an output side bias blocking capacitor (5), and an RF signal output terminal (2) in series in the stated order; a bias circuit in which a resistor is provided between and a signal path formed between the input side bias blocking capacitor (4) and the diode pair (8, 12) and a bias terminal (3); an RF short-circuiting capacitor (6) whose one end is connected with the bias circuit between the bias terminal (3) and the resistor (7) and whose other end is grounded; and a DC feed inductor (11) whose one end is connected with the signal path between the diode pair (8, 12) and the output side bias blocking capacitor (5) and whose other end is grounded.

    摘要翻译： 线性化器将增益特性改变为增益减小然后增加的谷特性。 线性化装置包括：信号路径，其中RF信号输入端（1），输入侧偏置阻塞电容（4），二极管对（8,12）包括彼此极性相反的二极管，输出侧偏压 电容器（5）和RF信号输出端子（2）按照所述顺序串联; 偏置电路，其中设置电阻器和形成在输入侧偏置阻断电容器（4）和二极管对（8,12）之间的信号路径和偏置端子（3）; RF短路电容器（6），其一端与偏置端子（3）和电阻器（7）之间的偏置电路连接，另一端接地; 和一个直流馈电电感（11），其一端与二极管对（8,12）和输出侧偏压电容（5）之间的信号通路连接，另一端接地。

    Directional coupler
    5.
    发明授权
    Directional coupler 有权
    定向耦合器

    公开(公告)号：US08072288B2

    公开(公告)日：2011-12-06

    申请号：US12531553

    申请日：2008-04-11

    申请人： Kazuhisa Yamauchi ,  Masatoshi Nakayama ,  Yasuhiro Onaka ,  Tomokazu Hamada ,  Satoru Ishizaka

    发明人： Kazuhisa Yamauchi ,  Masatoshi Nakayama ,  Yasuhiro Onaka ,  Tomokazu Hamada ,  Satoru Ishizaka

    IPC分类号： H01P5/18 ,  H01P5/16

    CPC分类号： H01P5/16 ,  H01P5/185

    摘要： A directional coupler capable of improving a directionality of a directional coupler body including four terminals. The directional coupler includes a directional coupler body including the four terminals of an input port, an output port, a coupling port, and an isolation port; and a combiner for combining powers of an output signal of the coupling port and an output signal of the isolation port of the directional coupler body; and a directionality improving circuit for amplifying or attenuating at least one of the output signal of the coupling port and the output signal of the isolation port before outputting the same, and the combiner combines powers of the output signals amplified or attenuated by the directionality improving circuit.

    摘要翻译： 一种定向耦合器，其能够改善包括四个端子的定向耦合器主体的方向性。 定向耦合器包括定向耦合器主体，其包括输入端口，输出端口，耦合端口和隔离端口的四个端子; 以及组合器，用于组合耦合端口的输出信号的功率和定向耦合器主体的隔离端口的输出信号; 以及用于在输出耦合端口的输出信号和隔离端口的输出信号之前放大或衰减至少一个输出信号的方向性改善电路，并且组合器组合由方向性改进电路放大或衰减的输出信号的功率 。

    DIRECTIONAL COUPLER
    6.
    发明申请
    DIRECTIONAL COUPLER 有权
    方向耦合器

    公开(公告)号：US20100097160A1

    公开(公告)日：2010-04-22

    申请号：US12531553

    申请日：2008-04-11

    申请人： Kazuhisa Yamauchi ,  Masatoshi Nakayama ,  Yasuhiro Onaka ,  Tomokazu Hamada ,  Satoru Ishizaka

    发明人： Kazuhisa Yamauchi ,  Masatoshi Nakayama ,  Yasuhiro Onaka ,  Tomokazu Hamada ,  Satoru Ishizaka

    IPC分类号： H01P5/18

    CPC分类号： H01P5/16 ,  H01P5/185

    摘要： A directional coupler capable of improving a directionality of a directional coupler body including four terminals. The directional coupler includes a directional coupler body including the four terminals of an input port, an output port, a coupling port, and an isolation port; and a combiner for combining powers of an output signal of the coupling port and an output signal of the isolation port of the directional coupler body; and a directionality improving circuit for amplifying or attenuating at least one of the output signal of the coupling port and the output signal of the isolation port before outputting the same, and the combiner combines powers of the output signals amplified or attenuated by the directionality improving circuit.

    摘要翻译： 一种定向耦合器，其能够改善包括四个端子的定向耦合器主体的方向性。 定向耦合器包括定向耦合器主体，其包括输入端口，输出端口，耦合端口和隔离端口的四个端子; 以及组合器，用于组合耦合端口的输出信号的功率和定向耦合器主体的隔离端口的输出信号; 以及用于在输出耦合端口的输出信号和隔离端口的输出信号之前放大或衰减至少一个输出信号的方向性改善电路，并且组合器组合由方向性改进电路放大或衰减的输出信号的功率 。

    High Efficiency Amplifier
    7.
    发明申请
    High Efficiency Amplifier 失效
    高效放大器

    公开(公告)号：US20090206926A1

    公开(公告)日：2009-08-20

    申请号：US11921504

    申请日：2006-07-31

    申请人： Kenichi Horiguchi ,  Satoru Ishizaka ,  Kazuhisa Yamauchi ,  Masatoshi Nakayama

    发明人： Kenichi Horiguchi ,  Satoru Ishizaka ,  Kazuhisa Yamauchi ,  Masatoshi Nakayama

    IPC分类号： H03F3/68

    CPC分类号： H03F1/0288

    摘要： When an input signal level is small, the electrical length of a phase line 21 and the electrical length of a phase line 23 are set in such a manner that the impedance seen by looking into the output side from an impedance reference point 11 at the output side of a carrier amplifier 3 becomes 2R+α (where R is a load resistance and α is positive), and the electrical length of a phase line 22 is set at a difference between the electrical length of the phase line 21 and the electrical length of the phase line 23.

    摘要翻译： 当输入信号电平小时，相线21的电长度和相线23的电长度被设定为使得通过在输出处从阻抗参考点11观察输出侧看到的阻抗 载波放大器3的一侧变为2R +α（其中R是负载电阻，α为正），相线22的电长度被设定为相线21的电长度与电长度 的相线23。

    High efficiency amplifier
    8.
    发明授权
    High efficiency amplifier 失效
    高效放大器

    公开(公告)号：US07649412B2

    公开(公告)日：2010-01-19

    申请号：US11921504

    申请日：2006-07-31

    申请人： Kenichi Horiguchi ,  Satoru Ishizaka ,  Kazuhisa Yamauchi ,  Masatoshi Nakayama

    发明人： Kenichi Horiguchi ,  Satoru Ishizaka ,  Kazuhisa Yamauchi ,  Masatoshi Nakayama

    IPC分类号： H03F3/68

    CPC分类号： H03F1/0288

    摘要： When an input signal level is small, the electrical length of a phase line 21 and the electrical length of a phase line 23 are set in such a manner that the impedance seen by looking into the output side from an impedance reference point 11 at the output side of a carrier amplifier 3 becomes 2R+α (where R is a load resistance and α is positive), and the electrical length of a phase line 22 is set at a difference between the electrical length of the phase line 21 and the electrical length of the phase line 23.

    摘要翻译： 当输入信号电平小时，相线21的电长度和相线23的电长度被设定为使得通过在输出处从阻抗参考点11观察输出侧看到的阻抗 载波放大器3的一侧变为2R +α（其中R是负载电阻，α为正），相线22的电长度被设定为相线21的电长度与电长度 的相线23。

    OUTPUT MODE SWITCHING AMPLIFIER
    9.
    发明申请
    OUTPUT MODE SWITCHING AMPLIFIER 审中-公开
    输出模式开关放大器

    公开(公告)号：US20130113561A1

    公开(公告)日：2013-05-09

    申请号：US13810388

    申请日：2010-10-21

    申请人： Kenichi Horiguchi ,  Naoko Matsunaga ,  Hiroshi Otsuka ,  Masatoshi Nakayama ,  Kazuhiro Iyomasa ,  Akira Inoue

    发明人： Kenichi Horiguchi ,  Naoko Matsunaga ,  Hiroshi Otsuka ,  Masatoshi Nakayama ,  Kazuhiro Iyomasa ,  Akira Inoue

    IPC分类号： H03F3/04

    CPC分类号： H03F3/04 ,  H03F1/0277 ,  H03F3/19 ,  H03F3/245 ,  H03F3/60 ,  H03F3/72 ,  H03F2203/7239

    摘要： An output mode switching amplifier, including: a transistor for signal amplification connected between a first node on an input side and a second node on an output side; a bypass path for bypassing the transistor between the first node and the second node; a voltage control circuit for switching whether to apply a bias voltage to the transistor so that a transmission signal is amplified by the transistor or to output a transmission signal via the bypass path without amplifying the transmission signal by the transistor; and a second-harmonic reflection circuit connected to the bypass path, for reflecting a second harmonic of the transmission signal.

    摘要翻译： 一种输出模式切换放大器，包括：用于信号放大的晶体管，连接在输入侧的第一节点和输出侧的第二节点之间; 用于绕过第一节点和第二节点之间的晶体管的旁路路径; 电压控制电路，用于切换是否向晶体管施加偏置电压，使得透射信号被晶体管放大或经由旁路路径输出发送信号，而不会由晶体管放大发送信号; 以及连接到所述旁路路径的二次谐波反射电路，用于反射所述发送信号的二次谐波。