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公开(公告)号：US11706871B2
公开(公告)日：2023-07-18
申请号：US17487988
申请日：2021-09-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Hui Wang , Dan Qiu , Zhijun Chen , Daiping Tang
CPC classification number: H05K1/144 , H05K1/115 , H05K5/0017 , H05K2201/042 , H05K2201/10128
Abstract: An circuit board assembly includes a first circuit board, a second circuit board stacked with the first circuit board, and a connection plate connected between the first circuit board and the second circuit board. The connection plate includes a signal transmission part and at least one ground part at a spacing to the signal transmission part. The ground part can be used as a reference ground for a signal transmitted by the signal transmission part, so that the characteristic impedance of the signal transmission part is controllable, and the signal transmitted by the signal transmission part has strong continuity, thereby maintaining good matching performance and reducing an insertion loss caused by characteristic impedance mismatch.
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公开(公告)号：US11601145B2
公开(公告)日：2023-03-07
申请号：US17257939
申请日：2018-07-31
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiuliang Xu , Jianwen Lei , Meng Hou , Dan Qiu , Hui Wang , Xiaofei Xia
Abstract: A tunable antenna. includes a radio frequency integrated circuit, a first frequency modulation branch coupled to the radio frequency integrated circuit, a first antenna coupled to the radio frequency integrated circuit through the first frequency modulation branch, a second antenna coupled to the radio frequency integrated circuit through a second frequency modulation branch. The first antenna corresponds to a first frequency, the second antenna corresponds to a second frequency, and the first frequency and the second frequency are respectively a transmit frequency and a receive frequency in a specified frequency band. The first antenna and the second antenna are respectively connected to the radio frequency integrated circuit through the frequency modulation branches when the tunable antenna is being designed.
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公开(公告)号：US11166374B2
公开(公告)日：2021-11-02
申请号：US16980174
申请日：2018-03-15
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Hui Wang , Dan Qiu , Zhijun Chen , Daiping Tang
Abstract: An electronic device includes a first circuit board, a second circuit board stacked with the first circuit board, and a connection plate connected between the first circuit board and the second circuit board. The connection plate includes a signal transmission part and at least one ground part at a spacing to the signal transmission part. The ground part can be used as a reference ground for a signal transmitted by the signal transmission part, so that the characteristic impedance of the signal transmission part is controllable, and the signal transmitted by the signal transmission part has strong continuity, thereby maintaining good matching performance and reducing an insertion loss caused by characteristic impedance mismatch.
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公开(公告)号：US20210281281A1
公开(公告)日：2021-09-09
申请号：US17257939
申请日：2018-07-31
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiuliang Xu , Jianwen Lei , Meng Hou , Dan Qiu , Hui Wang , Xiaofei Xia
Abstract: A tunable antenna. includes a radio frequency integrated circuit, a first frequency modulation branch coupled to the radio frequency integrated circuit, a first antenna coupled to the radio frequency integrated circuit through the first frequency modulation branch, a second antenna coupled to the radio frequency integrated circuit through a second frequency modulation branch. The first antenna corresponds to a first frequency, the second antenna corresponds to a second frequency, and the first frequency and the second frequency are respectively a transmit frequency and a receive frequency in a specified frequency band. The first antenna and the second antenna are respectively connected to the radio frequency integrated circuit through the frequency modulation branches when the tunable antenna is being designed.
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