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    FREQUENCY CONVERTER
    2.
    发明申请
    FREQUENCY CONVERTER 有权
    频率转换器

    公开(公告)号：US20150349755A1

    公开(公告)日：2015-12-03

    申请号：US14702884

    申请日：2015-05-04

    Applicant: NXP B.V.

    Inventor： Jan van Sinderen ,  Salvatore Drago

    IPC: H03K3/03 ,  H03K5/00

    CPC classification number: H03K3/0315 ,  H03D7/125 ,  H03D7/165 ,  H03D2200/0066 ,  H03D2200/0074 ,  H03K5/00006

    Abstract: A frequency converter, comprising a multi-phase local oscillator and a multi-phase mixer. The mixer comprises a plurality of mixer switches, each connected to a respective amplifier. The local oscillator is configured to provide a switching signal to each mixer switch, and comprises a plurality of inverters configured as a ring oscillator.

    Abstract translation: 一种变频器，包括多相本地振荡器和多相混频器。 该混频器包括多个混频器开关，每个混频器开关连接到相应的放大器。 本地振荡器被配置为向每个混频器开关提供开关信号，并且包括被配置为环形振荡器的多个反相器。

    Coefficient Estimation for Digital IQ Calibration
    3.
    发明申请
    Coefficient Estimation for Digital IQ Calibration 有权
    数字IQ校准的系数估计

    公开(公告)号：US20150200628A1

    公开(公告)日：2015-07-16

    申请号：US14588544

    申请日：2015-01-02

    Applicant: NXP B.V.

    Inventor： Robert Rutten ,  Lucien Johannes Breems ,  Jan van Sinderen

    IPC: H03D7/14 ,  H04B1/16

    CPC classification number: H03D7/1466 ,  H03D3/009 ,  H04B1/16 ,  H04B1/30 ,  H04B2001/305 ,  H04L27/3863

    Abstract: An RF reception system and method uses IF quadrature mixing, in which there is further mixing and channel filtering in the digital domain, to isolate a frequency of interest. A coefficient estimator is used for generating a phase correction coefficient and an amplitude correction coefficient from filtered in-phase and quadrature desired signals and from filtered in-phase and quadrature image signals.

    Abstract translation: RF接收系统和方法使用IF正交混合，其中在数字域中进一步进行混合和信道滤波，以隔离感兴趣的频率。 系数估计器用于从滤波的同相和正交期望信号以及滤波的同相和正交图像信号中产生相位校正系数和幅度校正系数。

    UWB TYRE MONITORING SENSOR, SYSTEM AND ASSOCIATED METHOD
    6.
    发明申请
    UWB TYRE MONITORING SENSOR, SYSTEM AND ASSOCIATED METHOD 有权

    公开(公告)号：US20250162354A1

    公开(公告)日：2025-05-22

    申请号：US18948696

    申请日：2024-11-15

    Applicant: NXP B.V.

    Inventor： Stefan Tertinek ,  Jan van Sinderen ,  Wolfgang Küchler

    IPC: B60C23/04

    Abstract: A tyre monitoring sensor is disclosed comprising an ultra-wideband, UWB, device, wherein the UWB device is configured to be mounted on a tyre and to be operable in at least a first mode, a second mode, and a third mode; wherein the first mode is a sensing mode, in which the UWB device is operable to determine a value of a physical property of the tyre; wherein the second mode is a communication mode, in which the UWB device is operable to communicate the value to a control unit; wherein the third mode is a ranging mode, in which the UWB device is operable to localise the UWB device relative to a controller node. Associated methods and systems are also disclosed.

    MULTI-PHASE CLOCK GENERATION DEVICE
    7.
    发明公开
    MULTI-PHASE CLOCK GENERATION DEVICE 审中-公开

    公开(公告)号：US20240313785A1

    公开(公告)日：2024-09-19

    申请号：US18582790

    申请日：2024-02-21

    Applicant: NXP B.V.

    Inventor： Thomas Baier ,  Jan van Sinderen ,  Jens Fleischhacker

    IPC: H03L7/081

    CPC classification number: H03L7/0814 ,  H03L7/0818

    Abstract: Embodiments of a multiphase clock generation device may include an input for feeding a reference clock, a clock generation unit adapted to generate phase-shifted clock signals from the reference clock, and a phase comparator unit functionally coupled with the clock generation unit. The phase comparator unit is adapted to measure a phase shift of the phase-shifted clock signals. The multiphase clock generation device includes a self-calibration unit that is functionally coupled with the clock generation unit. The calibration unit outputs a delay-calibration parameter to the clock generation unit. The clock generation unit is adapted to generate a multiphase clock signal out of the reference clock and the delay-calibration parameter.

    INTERFERER CANCELLATION DEVICE
    8.
    发明公开
    INTERFERER CANCELLATION DEVICE 审中-公开

    公开(公告)号：US20240204812A1

    公开(公告)日：2024-06-20

    申请号：US18519033

    申请日：2023-11-26

    Applicant: NXP B.V.

    Inventor： Thomas Baier ,  Jens Fleischhacker ,  Jan van Sinderen

    IPC: H04B1/10 ,  H03M1/12

    CPC classification number: H04B1/1036 ,  H03M1/12 ,  H04B2001/1072

    Abstract: Interferer cancellation device, including a device with an antenna input to receive a signal, wherein the signal comprises a wanted signal together with an unwanted interferer; and a feedback device, built to reconstruct the unwanted interferer interfering with the wanted signal into digital and to convert a reconstructed interferer into analog, wherein the reconstructed interferer is subtractable from the received signal at the antenna input.

    IQ MISMATCH CORRECTION MODULE
    10.
    发明申请
    IQ MISMATCH CORRECTION MODULE 审中-公开

    公开(公告)号：US20180013604A1

    公开(公告)日：2018-01-11

    申请号：US15619259

    申请日：2017-06-09

    Applicant: NXP B.V.

    Inventor： Joerg Heinrich Walter Wenzel ,  Robert Rutten ,  Evert-Jan Pol ,  Jan van Sinderen ,  Tjeu van Ansem ,  Peter van de Haar

    IPC: H04L27/36 ,  H04L27/38 ,  H04L1/20

    CPC classification number: H04L27/364 ,  H04L1/20 ,  H04L27/3863

    Abstract: The disclosure relates to an IQ mismatch correction module for a radio receiver, the IQ mismatch correction module comprising: an input terminal configured to receive an input signal; an output terminal configured to provide a filtered output signal; a mismatch detection module comprising: one or more bandpass filters configured to receive, from the input terminal or output terminal, a bandpass input signal and to pass a plurality of sub-bands of the bandpass input signal to provide respective bandpass filtered signals; one or more amplitude and phase mismatch detectors configured to determine amplitude and phase mismatch coefficients based on the bandpass filtered signals from the plurality of sub-bands; a transformation unit configured to apply a transformation to the amplitude and phase mismatch coefficients to provide correction filter coefficients for the plurality of sub-bands; and a filter module configured to: receive the filter coefficients for the plurality of sub-bands from the mismatch detection module; and filter the input signal in accordance with the received filter coefficients to provide the filtered output signal.

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