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Patent Agency Ranking
公开(公告)号：US20210257708A1
公开(公告)日：2021-08-19
申请号：US16343204
申请日：2018-03-27
Applicant: South China University of Technology
Inventor： Xiuyin Zhang , Jinxu Xu , Huiyang Li
Abstract: The present disclosure presents a dual-channel filter based on a dielectric resonator, which includes a metal cavity, a dielectric resonator, two tuning metal probes, and four feeding metal probes. The dielectric resonator is disposed at the center of the metal cavity. The four feeding metal probes are disposed around the metal cavity, and coupled to the dielectric resonator. The two tuning metal probes are connected to the metal cavity, and respectively located at a central position directly above and below the dielectric resonator. The dual-channel filter integrates two channel filters with good isolation between them, and has two input ports and two output ports.
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公开(公告)号：US20160248140A1
公开(公告)日：2016-08-25
申请号：US15027370
申请日：2014-12-04
Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
Inventor： Xiuyin Zhang , Xiaofeng Liu , Jinxu Xu , Xiaolan Zhao
CPC classification number: H01P5/10 , H01P1/203 , H01P1/20345
Abstract: The invention presents a LTCC balun filter using two out-of-phase filtering circuits. The LTCC balun filter is comprised of three half-wavelength resonators and grounds which are located on fourteen metal layers. Vias are utilized to connect different metal parts. The first, fourth, seventh, eleventh and fourteenth metal layers are the ground. The three half-wavelength resonators are on the second, third, fifth, sixth, eighth, ninth, tenth, twelfth and thirteenth metal layers. By adjusting the coupling parts of the three half-wavelength resonators, namely the lengths of the seventh, eighth, ninth, tenth and eleventh layers, as well as the distances between them, the coupling strength between the half-wavelength resonators can be tuned. In addition, the quality factor of the circuit can be improved by tuning the port positions. By using the multi-layer LTCC technology, the present invention has the advantage of compact size, novelty, creativity and practicability.
Abstract translation: 本发明提出了一种使用两个异相滤波电路的LTCC平衡不平衡变换器。 LTCC平衡不平衡变压器由三个半波长谐振器和接地组成，位于十四个金属层。 通孔用于连接不同的金属部件。 第一，第四，第七，第十一和第十四金属层是地面。 三个半波长谐振器在第二，第三，第五，第六，第八，第九，第十，第十二，第十二和第十三金属层上。 通过调节三个半波长谐振器的耦合部分，即第七，第八，第九，第十和第十层的长度以及它们之间的距离，可以调节半波长谐振器之间的耦合强度。 此外，通过调整端口位置可以提高电路的品质因数。 通过使用多层LTCC技术，本发明具有紧凑的尺寸，新颖性，创造性和实用性的优点。
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公开(公告)号：US11450951B2
公开(公告)日：2022-09-20
申请号：US17262759
申请日：2020-03-11
Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
Inventor： Xiuyin Zhang , Wanli Zhan , Jinxu Xu , Yunfei Cao
Abstract: The invention discloses a feed network for an antenna array with integrated filtering, power splitting and phase shifting, comprising upper and lower metal floors, metal connecting posts, coaxial feed terminals, a suspended dielectric substrate, suspended strip lines and two phase-adjusting dielectric substrates; the upper and lower metal floors share a common ground through the metal connecting posts, the suspended strip lines are provided on the suspended dielectric substrate, the suspended dielectric substrate is positioned horizontally between the two phase-adjusting dielectric substrates, the two phase-adjusting dielectric substrates are positioned horizontally between the upper and lower metal floors; the suspended strip lines comprise a one-to-three filtering power splitting unit, two one-to-two unequal filtering power splitting units, two first phase-shifting lines and two second phase-shifting lines, the two phase-adjusting dielectric substrates cover the one-to-three filtering power splitting unit, part of the two first phase-shifting lines and the two second phase-shifting lines. The invention provides integrated design of the three functional circuits with filtering, power splitting and phase shifting to avoid cascading mismatch between different functional circuits in conventional designs.
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公开(公告)号：US09786978B2
公开(公告)日：2017-10-10
申请号：US15027370
申请日：2014-12-04
Applicant: South China University of Technology
Inventor： Xiuyin Zhang , Xiaofeng Liu , Jinxu Xu , Xiaolan Zhao
CPC classification number: H01P5/10 , H01P1/203 , H01P1/20345
Abstract: The invention presents a LTCC balun filter using two out-of-phase filtering circuits. The LTCC balun filter is comprised of three half-wavelength resonators and grounds which are located on fourteen metal layers. Vias are utilized to connect different metal parts. The first, fourth, seventh, eleventh and fourteenth metal layers are the ground. The three half-wavelength resonators are on the second, third, fifth, sixth, eighth, ninth, tenth, twelfth and thirteenth metal layers. By adjusting the coupling parts of the three half-wavelength resonators, namely the lengths of the seventh, eighth, ninth, tenth and eleventh layers, as well as the distances between them, the coupling strength between the half-wavelength resonators can be tuned. In addition, the quality factor of the circuit can be improved by tuning the port positions. By using the multi-layer LTCC technology, the present invention has the advantage of compact size, novelty, creativity and practicability.
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公开(公告)号：US11223096B2
公开(公告)日：2022-01-11
申请号：US16343204
申请日：2018-03-27
Applicant: South China University of Technology
Inventor： Xiuyin Zhang , Jinxu Xu , Huiyang Li
Abstract: The present disclosure presents a dual-channel filter based on a dielectric resonator, which includes a metal cavity, a dielectric resonator, two tuning metal probes, and four feeding metal probes. The dielectric resonator is disposed at the center of the metal cavity. The four feeding metal probes are disposed around the metal cavity, and coupled to the dielectric resonator. The two tuning metal probes are connected to the metal cavity, and respectively located at a central position directly above and below the dielectric resonator. The dual-channel filter integrates two channel filters with good isolation between them, and has two input ports and two output ports.
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