公开(公告)号：US11575189B1

公开(公告)日：2023-02-07

申请号：US17482831

申请日：2021-09-23

Applicant: Hong Kong Applied Science And Technology Research Institute Co., Ltd.

Inventor： Xiaolong Huang ,  Yujiang Wu ,  Yuxian Zhang ,  Eric Kong Chau Tsang

IPC: H01P1/203 ,  H01P7/08 ,  H03H7/01 ,  H03H1/00

Abstract: Described is a bandpass filter comprising a multi-layered body, a first resonator conductor formed on a first layer of the body and a second resonator conductor formed on a second, tower layer of the body. The first resonator conductor and the second resonator conductor comprise a first coupling area formed by only a partial overlap of the first resonator conductor and the second resonator conductor. A length of each said resonator conductor is in the range of λg/3 to λg/5, where λg. is a center wavelength of the bandpass filter passband.