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    Phase-Shifter Functional Safety Testing
    1.
    发明公开
    Phase-Shifter Functional Safety Testing 审中-公开

    公开(公告)号：US20240175918A1

    公开(公告)日：2024-05-30

    申请号：US18520536

    申请日：2023-11-27

    Applicant: AyDeeKay LLC dba Indie Semiconductor

    Inventor： Tom Heller ,  Danny Elad ,  Benny Sheinman ,  Oded Katz

    IPC: G01R31/3167 ,  G01S13/931

    CPC classification number: G01R31/3167 ,  G01S13/931

    Abstract: An integrated circuit that performs testing of a circuit sub-block is described. This integrated circuit may include the circuit sub-block that performs a function, where the circuit sub-block is implemented in an analog domain using analog components and in a digital domain using digital components. Moreover, the integrated circuit may perform the testing of the circuit sub-block using independent testing of individual components in the circuit sub-block instead of testing the function of the circuit sub-block as a whole. Note that the individual components include the analog components and the digital components. In some embodiments, the testing may include functional safety testing.

    Local-Oscillator Filtering in a Mixer
    2.
    发明公开
    Local-Oscillator Filtering in a Mixer 审中-公开

    公开(公告)号：US20240291436A1

    公开(公告)日：2024-08-29

    申请号：US18585755

    申请日：2024-02-23

    Applicant: AyDeeKay LLC dba Indie Semiconductor

    Inventor： Benny Sheinman

    IPC: H03D7/14

    CPC classification number: H03D7/1475 ,  H03D7/1483 ,  H03D2200/0023

    Abstract: An integrated circuit that selectively filters out common-mode and differential signals is described. This integrated circuit may include an RF receiver with a mixer that converts signals between a band of frequencies in the RF and a second band of frequencies based at least in part on second signals, where the second band of frequencies is less than the band of frequencies. Moreover, the mixer may include input ports that receive the second signals and include a filter circuit, electrically coupled in parallel with the input ports, that filters out the common-mode signals above a threshold frequency and filters out the differential signals below the threshold frequency. For example, the filter circuit may include a half-wavelength transmission line. Note that the mixer may convert the differential signals to the common-mode signals below the threshold frequency and may convert the common-mode signals to the differential signals above the threshold frequency.

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