公开(公告)号：US20200373080A1

公开(公告)日：2020-11-26

申请号：US16422174

申请日：2019-05-24

Applicant: QUALCOMM Incorporated

Inventor： Rui TANG ,  Chenqian GAN ,  Zhongning LIU

IPC: H01F27/34 ,  H05K1/16 ,  H01F41/04

Abstract: A substrate that includes at least one dielectric layer and an inductive coupler formed in the at least one dielectric layer. The inductive coupler includes a first inductor and a second inductor. The first inductor is formed in the at least one dielectric layer. The first inductor is configured to be coupled to a transmitter filter and an antenna. The second inductor is formed in the at least one dielectric layer. The second inductor is configured to be coupled to the transmitter filter and ground. The second inductor is configured to provide a path to ground for a rejected signal having a rejected frequency. The second inductor is configured such that the rejected signal traveling through the second inductor causes the first inductor to generate an induced signal that counteracts a leakage signal traveling through the transmission filter.

公开(公告)号：US20200076405A1

公开(公告)日：2020-03-05

申请号：US16115397

申请日：2018-08-28

Applicant: QUALCOMM Incorporated

Inventor： Kai LIU ,  Rui TANG

IPC: H03H9/54 ,  H03H9/05 ,  H03H9/10 ,  H03H3/02 ,  H03H9/64 ,  H03H3/08 ,  H01Q1/50

Abstract: A wideband filter includes a passive substrate and an acoustic resonator chip on the passive substrate. The wideband filter further includes a pair of 3D inductors and a 3D transformer on the passive substrate. The pair of 3D inductors and the 3D transformer are connected to the acoustic resonator chip.

公开(公告)号：US20200266512A1

公开(公告)日：2020-08-20

申请号：US16279902

申请日：2019-02-19

Applicant: QUALCOMM Incorporated

Inventor： Kai LIU ,  Rui TANG ,  Changhan Hobie YUN ,  Mario Francisco VELEZ ,  Jonghae KIM

IPC: H01P1/203

Abstract: Aspects of the disclosure are directed to a bandpass filter including a first, second, third and fourth resonators, wherein the second and third resonators are in parallel, wherein the first resonator includes a first and second terminals, wherein the second resonator includes a second resonator top terminal and a second resonator bottom terminal, wherein the third resonator includes a third resonator top terminal and a third resonator bottom terminal, wherein the fourth resonator includes a third terminal and a fourth terminal; wherein the first terminal is coupled to the second resonator top terminal, wherein the second terminal is coupled to the third resonator top terminal, wherein the third terminal is coupled to the third resonator bottom terminal, wherein the fourth terminal is coupled to the second resonator bottom terminal; a first inductor coupled to the first and third terminals; and a second inductor coupled to the second and fourth terminals.

公开(公告)号：US20240047131A1

公开(公告)日：2024-02-08

申请号：US18490449

申请日：2023-10-19

Applicant: QUALCOMM Incorporated

Inventor： Rui TANG ,  Chenqian GAN ,  Zhongning LIU

IPC: H01F27/34 ,  H01F41/04 ,  H05K1/16

CPC classification number: H01F27/346 ,  H01F41/041 ,  H05K1/165 ,  H04B1/525

Abstract: A substrate that includes at least one dielectric layer and an inductive coupler formed in the at least one dielectric layer. The inductive coupler includes a first inductor and a second inductor. The first inductor is formed in the at least one dielectric layer. The first inductor is configured to be electrically coupled to a transmitter filter and an antenna. The second inductor is formed in the at least one dielectric layer. The second inductor is configured to be electrically coupled to the transmitter filter and ground. The second inductor is configured to provide a path to ground for a rejected signal having a rejected frequency. The second inductor is configured such that the rejected signal traveling through the second inductor causes the first inductor to generate an induced signal that counteracts a leakage signal traveling through the transmission filter.

公开(公告)号：US20210257989A1

公开(公告)日：2021-08-19

申请号：US17245901

申请日：2021-04-30

Applicant: QUALCOMM Incorporated

Inventor： Kai LIU ,  Rui TANG ,  Changhan Hobie YUN ,  Mario Francisco VELEZ ,  Jonghae KIM

IPC: H03H9/54 ,  H01P1/203 ,  H03H3/02 ,  H03H9/05

Abstract: Aspects of the disclosure are directed to a bandpass filter including a first, second, third and fourth resonators, wherein the second and third resonators are in parallel, wherein the first resonator includes a first and second terminals, wherein the second resonator includes a second resonator top terminal and a second resonator bottom terminal, wherein the third resonator includes a third resonator top terminal and a third resonator bottom terminal, wherein the fourth resonator includes a third terminal and a fourth terminal; wherein the first terminal is coupled to the second resonator top terminal, wherein the second terminal is coupled to the third resonator top terminal, wherein the third terminal is coupled to the third resonator bottom terminal, wherein the fourth terminal is coupled to the second resonator bottom terminal; a first inductor coupled to the first and third terminals; and a second inductor coupled to the second and fourth terminals.