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公开(公告)号：US20240222834A1
公开(公告)日：2024-07-04
申请号：US18396641
申请日：2023-12-26
Inventor： Xiaojun Bi , Jian Li , Ziang Xu , Zixuan Wei
CPC classification number: H01P3/087 , H01P3/003 , H05K1/0219 , H05K2201/0707
Abstract: The disclosure discloses a low-loss transmission line structure, which belongs to the field of radio frequency transmission lines and includes at least two metal layers stacked in a vertical manner. A dielectric layer is filled between the metal layers. The metal layers include a signal transmission strip in a middle portion. Ground strips are provided on both sides of the signal transmission strip. Through holes are evenly distributed on the dielectric layer, and the signal transmission strips on each of the metal layers are connected through the through holes to form a signal transmission line. The ground strips on each metal layer are connected through the through holes.
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公开(公告)号：US11646801B1
公开(公告)日：2023-05-09
申请号：US18076414
申请日：2022-12-07
Inventor： Xiaojun Bi , Chaodi Sheng
CPC classification number: H04B10/612 , H04B10/64
Abstract: An analog front-end module of an ultra-wideband optical receiver including a transimpedance amplifying unit and a distributed amplifier unit is provided. The transimpedance amplifying unit is configured to convert an externally-inputted current signal into a voltage signal, amplify the voltage signal, and then output a voltage-amplified signal.
The distributed amplifier unit includes an input transmission network, an input matching load, an output transmission network, an output matching load, and a plurality of gain units. The input transmission network is configured to receive the voltage-amplified signal and distribute the voltage-amplified signal to each gain unit for further amplification. The input matching load is configured to absorb the voltage-amplified signal reflected to the transimpedance amplifying unit.
The output transmission network is configured to superimpose amplified signals outputted from the gain units and output in combination. The output matching load is configured to absorb the amplified signals transmitted in an opposite direction.-
公开(公告)号：US12212033B2
公开(公告)日：2025-01-28
申请号：US18396641
申请日：2023-12-26
Inventor： Xiaojun Bi , Jian Li , Ziang Xu , Zixuan Wei
Abstract: The disclosure discloses a low-loss transmission line structure, which belongs to the field of radio frequency transmission lines and includes at least two metal layers stacked in a vertical manner. A dielectric layer is filled between the metal layers. The metal layers include a signal transmission strip in a middle portion. Ground strips are provided on both sides of the signal transmission strip. Through holes are evenly distributed on the dielectric layer, and the signal transmission strips on each of the metal layers are connected through the through holes to form a signal transmission line. The ground strips on each metal layer are connected through the through holes.
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