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    • 9. 发明公开
    • METHOD FOR IMPLEMENTING ELECTROMAGNETIC ANTI-INTERFERENCE FILTER IMPEDANCE MATCH AND MEASURING SYSTEM THEREOF
    • 程序阻抗匹配的电磁干扰滤波器抗和测量系统及其实现
    • EP2447724A1
    • 2012-05-02
    • EP10791583.7
    • 2010-06-25
    • ZTE Corporation
    • ZHOU, Ming
    • G01R27/08G01R31/00
    • G01R31/002G01R27/02H01J37/32183H03H11/28H03H11/30
    • A measuring system for implementing impedance matching of an electromagnetic immunity filter comprises an impedance measuring chip, an impedance reading device, and a power supply module and a load circuit in a circuit to be applied by the electromagnetic immunity filter; wherein, the impedance measuring chip, connected between the power supply module and the load circuit, is configured to output an excitation voltage to the load circuit, receive a current returned by the load circuit, calculate an impedance of the load circuit based on the excitation voltage and the current returned by the load circuit, and output the impedance to the impedance reading device; and the impedance reading device is configured to read the impedance calculated by the impedance measuring chip. Accordingly, the present invention further provides a method for implementing impedance matching of an electromagnetic immunity filter. Using the present invention, a test process is greatly simplified, pertinence of test results is strong, an impedance of a single board may be measured directly so as to provide the impedance of a network element system composed of different single boards.
    • 一种用于在电路实现电磁抗扰滤波器阻抗测量芯片的包括,到阻抗读取装置,和一个电源模块和负载电路的阻抗匹配的测量系统,以通过电磁抗扰滤波器而施用; worin,阻抗测量芯片,连接在电源模块和负载电路之间,被配置为输出至激励电压施加到所述负载电路,接收由所述负载电路返回的电流,计算基于所述激励的负载电路的阻抗 电压和由负载电路返回的电流,并输出阻抗与阻抗读取装置; 和阻抗读取装置,用于读取由所述阻抗测量芯片计算的阻抗。 因此,本发明还提供用于实现电磁抗扰滤波器的阻抗匹配的方法。 使用本发明,测试过程大大简化,测试结果的针对性强,于单个板的阻抗可以直接测量,以便提供不同的单板组成的网络元件的系统的阻抗。