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    HIGH END IMAGING RADAR
    1.
    发明申请
    HIGH END IMAGING RADAR 有权

    公开(公告)号：US20220196821A1

    公开(公告)日：2022-06-23

    申请号：US17369994

    申请日：2021-07-08

    Applicant: Intel Corporation

    Inventor： Arnaud AMADJIKPE ,  Timo Sakari HUUSARI ,  Tae Young YANG ,  Hossein ALAVI ,  Steven CALLENDER ,  Bradley JACKSON ,  Ofer MARKISH ,  Woorim SHIN ,  Shengbo XU ,  Zhen ZHOU ,  Wei QIAN ,  Mengyuan HUANG

    IPC: G01S13/42 ,  G01S13/89

    Abstract: A radar device may include a digital to analog converter (DAC) stage. The DAC stage may generate a plurality of analog signals. The DAC stage may generate a different analog signal for each transmitter chain of a plurality of transmitter chains. Each analog signal of the plurality of analog signals may represent a single digital signal. Each transmitter chain of the plurality of transmitter chains may include a transmit chain portion and switched analog beamforming network (BFN). The transmit chain portion may generate a plurality of intermediate analog signals representative of the corresponding analog signal. The switched analog BFN may generate a plurality of analog transmit signals for an intermediate analog signal of the plurality of intermediate analog signals. The plurality of analog transmit signals may include a beam formed in accordance with a state of the switched analog BFN.

    LOW LOSS TRANSMITTER RECEIVER SWITCH WITH TRANSFORMER MATCHING NETWORK
    3.
    发明申请
    LOW LOSS TRANSMITTER RECEIVER SWITCH WITH TRANSFORMER MATCHING NETWORK 有权

    公开(公告)号：US20210044318A1

    公开(公告)日：2021-02-11

    申请号：US16931462

    申请日：2020-07-17

    Applicant: Intel Corporation

    Inventor： Steven CALLENDER ,  Christopher HULL ,  Stefano PELLERANO ,  Woorim SHIN ,  Ka Chun KWOK

    IPC: H04B1/48 ,  H03F1/56 ,  H03F3/21 ,  H03H7/38

    Abstract: A transmit receive switch (TRSW) system is disclosed. The system has a transmission line, a transformer based matching network, a shunt switch, an amplifier and circuitry. The transmission line is connected to an antenna port. The transformer based matching network is connected to the transmission line and has a first coil and a second coil, wherein the second coil is connected to the transmission line. The amplifier can be configured as a shunt switch when inactive. The shunt switch, including the amplifier configured as the shunt switch, can be connected to the first coil of the transformer based matching network. The circuitry is configured to cause the shunt switch to be ON during an inactive mode and create a short across the first coil. Combined, the length of transmission line needed to complete the impedance transformation is reduced, thereby lowering the overall insertion loss of the transmit/receive switch.

    RADIO FREQUENCY TRANSMIT/RECEIVE SWITCH WITH COUPLED TRANSMISSION LINES
    7.
    发明公开
    RADIO FREQUENCY TRANSMIT/RECEIVE SWITCH WITH COUPLED TRANSMISSION LINES 审中-公开

    公开(公告)号：US20240223235A1

    公开(公告)日：2024-07-04

    申请号：US18147721

    申请日：2022-12-29

    Applicant: Intel Corporation

    Inventor： Ritesh A. BHAT ,  Steven CALLENDER

    IPC: H04B1/44 ,  H04B1/04

    CPC classification number: H04B1/44 ,  H04B1/0483

    Abstract: Disclosed herein is a radio frequency (RF) circuit for a transmit/receive switch that includes an antenna coupled to a receive path through a first coupled transmission line. The antenna is also coupled to a transmit path through a second coupled transmission line. The RF circuit includes a receiver switch configured to selectively present to the receive path a high impedance or a low impedance to ground and a transmitter switch configured to selectively present to the transmit path a high impedance or a low impedance to ground. The receiver switch and/or transmitter switch may be independently supplied with a bias voltage that depends on whether the circuit is operating in a transmit mode or receive mode. The RF circuit may have improved insertion loss, bandwidth, and linearity, while also providing robustness to electrostatic discharge (ESD).

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