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公开(公告)号：US11150294B2
公开(公告)日：2021-10-19
申请号：US15691381
申请日：2017-08-30
Applicant: STMICROELECTRONICS S.r.l.
Inventor： Giorgio Maiellaro , Angelo Scuderi , Angela Bruno , Salvatore Scaccianoce
Abstract: A radio-frequency receiver includes built-in-self-test (BIST) circuitry which generates a self-test signal. A local oscillator signal is divided. A self-test oscillation signal is generated, based, at least in part, on the frequency-divided local oscillation signal. The self-test signal is generated based on the self-test oscillation signal. The BIST circuitry includes a divider, which divides the self-test oscillation signal. The frequency-divided local oscillation signal and the divided self-test oscillation signal are used to perform one or more of generating the self-test oscillation signal and controlling the generation of the self-test oscillation signal. The radio-frequency receiver may be an automotive radar receiver.
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公开(公告)号：US11860223B2
公开(公告)日：2024-01-02
申请号：US17479510
申请日：2021-09-20
Applicant: STMICROELECTRONICS S.r.l.
Inventor： Giorgio Maiellaro , Angelo Scuderi , Angela Bruno , Salvatore Scaccianoce
CPC classification number: G01R31/2884 , G01R31/2832 , G01S7/4056 , G01S7/4069
Abstract: A radio-frequency receiver includes built-in-self-test (BIST) circuitry which generates a self-test signal. A local oscillator signal is divided. A self-test oscillation signal is generated, based, at least in part, on the frequency-divided local oscillation signal. The self-test signal is generated based on the self-test oscillation signal. The BIST circuitry includes a divider, which divides the self-test oscillation signal. The frequency-divided local oscillation signal and the divided self-test oscillation signal are used to perform one or more of generating the self-test oscillation signal and controlling the generation of the self-test oscillation signal. The radio-frequency receiver may be an automotive radar receiver.
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