Coaxial filter having first to fifth resonators, where the fourth resonator is an elongated resonator

    公开(公告)号:US10116026B2

    公开(公告)日:2018-10-30

    申请号:US15331080

    申请日:2016-10-21

    Applicant: COM DEV Ltd.

    Inventor: Qiang Shi Ming Yu

    Abstract: A microwave filter has a housing defining an inner cavity. A first resonator is positioned in a first portion of the inner cavity. A second resonator is positioned in a second portion of the inner cavity. A third resonator is positioned in a third portion of the inner cavity. The first resonator and the third resonator are cross-coupled via an iris. The second resonator is elongated and is coupled to the first resonator and the third resonator. The resulting microwave filter has a frequency response having a transmission zero in the lower stopband. A high-pass filter is realized without the use of a cross-coupling probe.

Patent Agency Ranking