Frequency synthesizer
    31.
    发明公开
    Frequency synthesizer 失效
    Frequenzsynthetisieren。

    公开(公告)号:EP0684701A3

    公开(公告)日:1998-01-07

    申请号:EP95108033.2

    申请日:1995-05-24

    IPC分类号: H03L7/093 H03L7/187

    CPC分类号: H03L7/093 H03L7/107 H03L7/187

    摘要: In accordance with a loop open/close control signal, an analog switch 60 can close or open a loop which consists of a voltage controlled oscillator 1, a variable frequency divider 2, a phase comparator 3, a first loop filter 451, the analog switch 60, and a second loop filter 452. In order to reduce the change of frequency caused when the open loop state is set immediately after the output frequency is changed, the second loop filter 452 uses a capacitor which shows properties of a small change of the capacitance in response to an applied voltage and a small hysteresis. In order to reduce the change of frequency caused when the open loop state is set immediately after the output frequency is changed, furthermore, a second diode one terminal of which is grounded is connected in reverse parallel to a first diode switch which switches the output oscillation frequency ranges of the voltage controlled oscillator.

    High-Q inductor for high frequency
    36.
    发明公开
    High-Q inductor for high frequency 有权
    Hochfrequenzinduktivitätmit hohem Q-Faktor

    公开(公告)号:EP1498913A1

    公开(公告)日:2005-01-19

    申请号:EP04025327.0

    申请日:1999-12-08

    IPC分类号: H01F17/00

    摘要: A high-Q inductor for high frequency, having a plurality of inductor elements formed in a plurality of IC wiring layers with a connection formed therebetween. The directions of the magnetic fields generated by the respective inductor elements are substantially the same. With this construction, the section of the inductor is increased reducing the serial resistance component and an influence of a skin effect in a high-frequency range is eliminated increasing the Q value.

    摘要翻译: 一种用于高频的高Q电感器,具有形成在多个IC布线层中的多个电感器元件,其间形成有连接。 由各个电感器元件产生的磁场的方向基本相同。 利用这种结构,电感器的部分增加,降低了串联电阻分量,消除了在高频范围内的皮肤效应的影响,增加了Q值。

    Transmitting-receiving switch
    37.
    发明公开
    Transmitting-receiving switch 有权
    发送 - 接收开关

    公开(公告)号:EP1087538A3

    公开(公告)日:2003-01-02

    申请号:EP00120663.0

    申请日:2000-09-21

    IPC分类号: H04B1/48

    CPC分类号: H04B1/48

    摘要: A transmitting-receiving switch, which can reduce the loss of reception while maintaining the same characteristics of transmission, can be implemented by comprising: an antenna terminal 101 connected to the antenna; a transmission terminal 102 connected to the transmission circuit; a reception terminal 103 connected to the receiving circuit; a control terminal 104 for applying a voltage; the first diode 106 of which the cathode is connected to the transmission terminal end and of which the anode is connected to the antenna terminal end and the control terminal end; a strip line 109 connected between the antenna terminal and the reception terminal; and the second diode 117 of which the anode is connected to a point between the strip line and the reception terminal and of which the cathode is connected to the ground.

    Transmitting-receiving switch
    40.
    发明公开
    Transmitting-receiving switch 有权
    森德,Empfangsumschalter

    公开(公告)号:EP1087538A2

    公开(公告)日:2001-03-28

    申请号:EP00120663.0

    申请日:2000-09-21

    IPC分类号: H04B1/48

    CPC分类号: H04B1/48

    摘要: A transmitting-receiving switch, which can reduce the loss of reception while maintaining the same characteristics of transmission, can be implemented by comprising: an antenna terminal 101 connected to the antenna; a transmission terminal 102 connected to the transmission circuit; a reception terminal 103 connected to the receiving circuit; a control terminal 104 for applying a voltage; the first diode 106 of which the cathode is connected to the transmission terminal end and of which the anode is connected to the antenna terminal end and the control terminal end; a strip line 109 connected between the antenna terminal and the reception terminal; and the second diode 117 of which the anode is connected to a point between the strip line and the reception terminal and of which the cathode is connected to the ground.

    摘要翻译: 可以通过包括:连接到天线的天线终端101来实现可以在保持相同传输特性的同时减少接收损失的发送接收交换机; 连接到发送电路的发送终端102; 连接到接收电路的接收端子103; 用于施加电压的控制端子104; 其阴极连接到传输终端并且阳极连接到天线终端和控制终端的第一二极管106; 连接在天线端子和接收端子之间的带状线109; 并且第二二极管117的阳极连接到带状线和接收端子之间的点,并且阴极连接到接地。