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    • 7. 发明申请
    • Impedance matched surge protected coupling loop assembly
    • 阻抗匹配浪涌保护耦合回路组件
    • US20050099754A1
    • 2005-05-12
    • US10704815
    • 2003-11-12
    • Scott HazenboomEric Blair
    • Scott HazenboomEric Blair
    • H01Q1/50H01R13/646H02H9/06
    • H01R24/48H01Q1/50H01R24/44H01R2103/00
    • A tower top amplifier for use outdoors in a radio frequency communications system has a surge suppression device for suppressing electrical surges caused by lightning strikes. The surge suppression circuit has a short circuit inductive coupling loop connected to a coaxial cable connector. By using a capacitor connected in parallel with an inductive probe, the surge suppression circuit operates as an open circuit at the operating frequency of the system. In addition, at the operating frequency, the resistor matches the impedance of the system connected to the coaxial cable connector. But in the event of a lightning strike or other electrical event, the inductive coupling loop short circuits the surge current to ground, thereby protecting the amplifier system from damage.
    • 用于射频通信系统的户外用的塔顶放大器具有用于抑制由雷击引起的电涌的浪涌抑制装置。 浪涌抑制电路具有连接到同轴电缆连接器的短路感应耦合回路。 通过使用与感应式探头并联连接的电容器,浪涌抑制电路在系统工作频率下作为开路工作。 另外,在工作频率下,电阻匹配连接到同轴电缆连接器的系统的阻抗。 但是在雷击或其他电气事件的情况下,电感耦合环路将浪涌电流短路到地,从而保护放大器系统免受损坏。