Directional couplers for RF power detection
    3.
    发明公开
    Directional couplers for RF power detection 有权
    Richtkoppler zur Detektion von HF-Strom

    公开(公告)号:EP1898224A2

    公开(公告)日:2008-03-12

    申请号:EP07253248.4

    申请日:2007-08-17

    CPC classification number: G01R27/06 H01P5/185 H03H7/46 H03H7/48

    Abstract: Very small size true directional couplers have a coupling coefficient that is independent on load VSWR. The coupler uses coupled inductors with a compensation circuit including a resistor and a capacitor, or just a capacitor. Wideband operation is suitable for many portable applications such as power detection and control for GSM, DCS-PCS, CDMA/WCDMA, Bluetooth, and WLAN systems.

    Abstract translation: 非常小尺寸的真向导耦合器(100)具有独立于负载VSWR的耦合系数。 耦合器(100)使用具有包括电阻器(112)和电容器(110)的补偿电路的耦合电感器(114,116,118),或仅使用电容器(110)。 宽带操作适用于诸如功率检测(306)和GSM(302),DCS-PCS(310),CDMA / WCDMA,蓝牙和WLAN系统的控制的许多便携式应用。

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