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    Low power hybrid reverse bandgap reference and digital temperature sensor
    1.
    发明授权
    Low power hybrid reverse bandgap reference and digital temperature sensor 有权

    公开(公告)号：US12061493B2

    公开(公告)日：2024-08-13

    申请号：US17033571

    申请日：2020-09-25

    Applicant: Intel Corporation

    Inventor： You Li ,  David Duarte ,  Yongping Fan

    IPC: G05F3/30

    CPC classification number: G05F3/30

    Abstract: A low power hybrid reverse (LPHR) bandgap reference (BGR) and digital temperature sensor (DTS) or a digital thermometer, which utilizes subthreshold metal oxide semiconductor (MOS) transistor and the PNP parasitic Bi-polar Junction Transistor (BJT) device to form a reverse BGR that serves as the base for configurable BGR or DTS operating modes. The LPHR architecture uses low-cost MOS transistors and the standard parasitic PNP device. Based on a reverse bandgap voltage, the LPHR can work as a configurable BGR. By comparing the configurable BGR with the scaled base-emitter voltage, the circuit can also perform as a DTS with a linear transfer function with single-temperature trim for high accuracy.

    Coupled frequency doubler with frequency tracking loop
    3.
    发明授权
    Coupled frequency doubler with frequency tracking loop 有权

    公开(公告)号：US11239794B2

    公开(公告)日：2022-02-01

    申请号：US16898254

    申请日：2020-06-10

    Applicant: Intel Corporation

    Inventor： Dongseok Shin ,  Hyung Seok Kim ,  Yongping Fan

    IPC: H03B5/12 ,  H03L7/24 ,  H03B19/00

    Abstract: A frequency doubler (tripler, or quadrupler) employs current re-use coupled oscillator technique to enhance phase noise without increasing current consumption. Frequency doubler uses coupling between two oscillators running at different frequencies; a first oscillator is running at the target frequency and a second oscillator is running at half the frequency. The coupling between the two oscillators is via a transformer having a primary transformer coil and a secondary transformer coil. The first oscillator comprises a differential inductor, coarse/fine tuning capacitor arrays, and an n-type trans-conductor (GM). A virtual ground node of the n-type GM is coupled to one side of the primary transformer coil and the other side of the primary coil is coupled to the center tap of the secondary coil. The second oscillator comprises the secondary coil, coarse/fine tuning capacitor arrays, n-type GM, frequency tracking loop (FTL) and 2nd-harmonic LC filter network.

    Clock amplitude detection
    5.
    发明授权
    Clock amplitude detection 有权
    时钟幅度检测

    公开(公告)号：US09281824B2

    公开(公告)日：2016-03-08

    申请号：US13836951

    申请日：2013-03-15

    Applicant: Intel Corporation

    Inventor： Gennady Goltman ,  Yongping Fan

    IPC: H03L5/00 ,  G01R19/04 ,  H03L7/099 ,  G01R19/165

    CPC classification number: H03L5/00 ,  G01R19/04 ,  G01R19/16576 ,  H03L7/099

    Abstract: In some embodiments, disclosed is an AC amplitude detector to compare the magnitude of an AC signal against a detector threshold level and to provide an indication as to whether the AC magnitude is larger or smaller than the detector threshold level.

    Abstract translation: 在一些实施例中，公开了一种AC振幅检测器，用于将AC信号的幅度与检测器阈值电平进行比较，并提供关于AC幅度是大于还是小于检测器阈值电平的指示。

    TEMPERATURE COMPENSATION FOR OSCILLATOR
    6.
    发明申请
    TEMPERATURE COMPENSATION FOR OSCILLATOR 有权
    振荡器温度补偿

    公开(公告)号：US20140218123A1

    公开(公告)日：2014-08-07

    申请号：US13976942

    申请日：2012-03-13

    Applicant: INTEL CORPORATION

    Inventor： Fangxing Wei ,  Yongping Fan

    IPC: H03B5/04

    CPC classification number: H03B5/04 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B5/1265

    Abstract: A temperature compensation apparatus may include a sense circuit configured to produce a sense voltage that is dependent on temperature and a temperature compensation circuit configured to receive the sense voltage and produce a temperature compensation control signal to control a compensation capacitor array of an oscillator. The temperature compensation circuit may be configured to calibrate the control signal to have a first value at a first temperature. The temperature compensation circuit may also be configured to calibrate a trimming level (e.g., slope) of the control signal.

    Abstract translation: 温度补偿装置可以包括被配置为产生取决于温度的感测电压的感测电路和被配置为接收感测电压并产生温度补偿控制信号以控制振荡器的补偿电容器阵列的温度补偿电路。 温度补偿电路可以被配置为校准控制信号以具有处于第一温度的第一值。 温度补偿电路还可以被配置为校准控制信号的微调电平（例如，斜率）。

    COUPLED FREQUENCY DOUBLER WITH FREQUENCY TRACKING LOOP
    7.
    发明申请
    COUPLED FREQUENCY DOUBLER WITH FREQUENCY TRACKING LOOP 有权

    公开(公告)号：US20210391826A1

    公开(公告)日：2021-12-16

    申请号：US16898254

    申请日：2020-06-10

    Applicant: Intel Corporation

    Inventor： Dongseok Shin ,  Hyung Seok Kim ,  Yongping Fan

    IPC: H03B5/12 ,  H03H7/01 ,  H03K5/00

    Abstract: A frequency doubler (tripler, or quadrupler) employs current re-use coupled oscillator technique to enhance phase noise without increasing current consumption. Frequency doubler uses coupling between two oscillators running at different frequencies; a first oscillator is running at the target frequency and a second oscillator is running at half the frequency. The coupling between the two oscillators is via a transformer having a primary transformer coil and a secondary transformer coil. The first oscillator comprises a differential inductor, coarse/fine tuning capacitor arrays, and an n-type trans-conductor (GM). A virtual ground node of the n-type GM is coupled to one side of the primary transformer coil and the other side of the primary coil is coupled to the center tap of the secondary coil. The second oscillator comprises the secondary coil, coarse/fine tuning capacitor arrays, n-type GM, frequency tracking loop (FTL) and 2nd-harmonic LC filter network.

    LOW POWER HYBRID REVERSE BANDGAP REFERENCE AND DIGITAL TEMPERATURE SENSOR
    10.
    发明申请
    LOW POWER HYBRID REVERSE BANDGAP REFERENCE AND DIGITAL TEMPERATURE SENSOR 有权

    公开(公告)号：US20220100221A1

    公开(公告)日：2022-03-31

    申请号：US17033571

    申请日：2020-09-25

    Applicant: Intel Corporation

    Inventor： You Li ,  David Duarte ,  Yongping Fan

    IPC: G05F3/30 ,  G05F3/26

    Abstract: A low power hybrid reverse (LPHR) bandgap reference (BGR) and digital temperature sensor (DTS) or a digital thermometer, which utilizes subthreshold metal oxide semiconductor (MOS) transistor and the PNP parasitic Bi-polar Junction Transistor (BJT) device to form a reverse BGR that serves as the base for configurable BGR or DTS operating modes. The LPHR architecture uses low-cost MOS transistors and the standard parasitic PNP device. Based on a reverse bandgap voltage, the LPHR can work as a configurable BGR. By comparing the configurable BGR with the scaled base-emitter voltage, the circuit can also perform as a DTS with a linear transfer function with single-temperature trim for high accuracy.

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