Method and apparatus for generating a proof-mass drive signal
    1.
    发明授权
    Method and apparatus for generating a proof-mass drive signal 有权
    用于产生校验质量驱动信号的方法和装置

    公开(公告)号:US09503295B2

    公开(公告)日:2016-11-22

    申请号:US14440187

    申请日:2012-11-06

    摘要: A drive-mode oscillator module generates at least one proof-mass drive signal for use within a micro-electro-mechanical system (MEMS) device. The drive-mode oscillator module comprises at least one gain control component arranged to receive at least one proof-mass motion measurement signal, and to generate a digital modulation control signal based at least partly on the at least one proof-mass motion measurement signal, and at least one modulation component arranged to receive the digital amplitude modulation control signal, and to output at least one proof-mass drive signal. The at least one modulation component is arranged to digitally modulate the at least one proof-mass drive signal based at least partly on the received digital amplitude modulation control signal.

    摘要翻译: 驱动模式振荡器模块产生至少一个用于微机电系统(MEMS)装置内的校验质量驱动信号。 所述驱动模式振荡器模块包括布置成接收至少一个校验质量运动测量信号的至少一个增益控制部件,并且至少部分地基于所述至少一个校验质量运动测量信号产生数字调制控制信号, 以及至少一个调制分量,被布置成接收数字幅度调制控制信号,并输出至少一个校验质量驱动信号。 所述至少一个调制部件被布置成至少部分地基于所接收的数字幅度调制控制信号对所述至少一个校验质量驱动信号进行数字调制。

    Ultra wideband radio frequency transmission system

    公开(公告)号:US09800441B2

    公开(公告)日:2017-10-24

    申请号:US15094323

    申请日:2016-04-08

    摘要: An ultra-wideband radio frequency transmission system capable of receiving a first signal with discrete levels, and including: a voltage-controlled oscillator capable of supplying a first oscillating signal including an oscillating circuit powered by a power supply circuit comprising at least one first current source controlled by the first signal with discrete levels or a second signal with discrete levels obtained from the first signal with discrete levels; a mixer capable of receiving the first oscillating signal and of supplying a second oscillating signal equal to the first oscillating signal multiplied by a gain which depends on the first signal with discrete levels or on a third signal with discrete levels obtained from the first signal with discrete levels; and an antenna or an electromagnetic coupling device capable of transmitting a radio frequency signal based on the second oscillating signal.

    OPEN-LOOP QUADRATURE CLOCK CORRECTOR AND GENERATOR
    3.
    发明申请
    OPEN-LOOP QUADRATURE CLOCK CORRECTOR AND GENERATOR 有权
    OPEN-LOOP QUADRATURE时钟校正器和发生器

    公开(公告)号:US20170063353A1

    公开(公告)日:2017-03-02

    申请号:US14841874

    申请日:2015-09-01

    摘要: Embodiments described herein include a quadrature phase corrector (QPC) which includes multiple differential amplifies for correcting the phase of one or more clock signals. In one embodiment, the differential amplifiers are arranged in an input stage, cross-coupled stage, and ring stage. The input stage receives and buffers the input clock signal (or signals). The cross-coupled stage includes one or more latches that force one clock signal high and another low which causes the QPC to oscillate. The ring stage outputs four clock signals with adjusted phases relative to the input clock signals. In one example, the ring stage outputs a quadrature clock signal that includes four clock signals phase shifted by 90 degrees.

    摘要翻译: 本文描述的实施例包括正交相位校正器(QPC),其包括用于校正一个或多个时钟信号的相位的多个差分放大器。 在一个实施例中,差分放大器被布置在输入级,交叉耦合级和环形级中。 输入级接收并缓冲输入时钟信号(或信号)。 交叉耦合级包括一个或多个锁存器,其强制一个时钟信号为高,另一个低电平使QPC振荡。 环形电平输出四个时钟信号,相对于输入时钟信号调节相位。 在一个示例中,环形电平输出包括相移90度的四个时钟信号的正交时钟信号。

    Temperature-Stable FBAR Transmitter
    4.
    发明申请

    公开(公告)号:US20190007245A1

    公开(公告)日:2019-01-03

    申请号:US16121607

    申请日:2018-09-04

    IPC分类号: H04L27/12 H04B1/04 H04W4/80

    摘要: The present disclosure relates to a method that includes calculating a first frequency drift associated with an oscillator at a current temperature; based on the calculation, generating a first signal indicative of temperature compensation data; generating a second signal indicative of packet data and a modulation scheme; using the first signal, the second signal, and a first predetermined signal to generate a first tuning signal; and using the first tuning signal to tune a first capacitor array coupled to the oscillator and a second tuning signal to tune a second capacitor array coupled to the oscillator such that (i) the oscillator generates a modulated RF signal indicative of the packet data and (ii) the modulated RF signal has a second frequency drift that is less than a threshold.

    Automobile key programmer and automobile diagnostic instrument

    公开(公告)号:US11935344B2

    公开(公告)日:2024-03-19

    申请号:US17659888

    申请日:2022-04-20

    IPC分类号: G07C9/00 H04L27/04 H04L27/12

    摘要: This disclosure relates to the technical field of automobiles and discloses an automobile key programmer applied to an automobile diagnostic instrument, wherein the automobile key programmer includes an activation coil, a first changeover switch, a second changeover switch, an infrared modulation circuit, an amplitude shift keying modulation circuit, and a frequency shift keying modulation circuit; when the first changeover switch is not powered on, the infrared modulation circuit provides a resonant voltage for the activation coil; when the first changeover switch is powered on and the second changeover switch is not powered on, the amplitude shift keying modulation circuit provides a resonant voltage for the activation coil; when both the first changeover switch and the second changeover switch are powered on, the frequency shift keying modulation circuit provides a resonant voltage for the activation coil; only one coil is required in the automobile key programmer to change voltages.

    ULTRA WIDEBAND RADIO FREQUENCY TRANSMISSION SYSTEM
    8.
    发明申请
    ULTRA WIDEBAND RADIO FREQUENCY TRANSMISSION SYSTEM 有权
    超宽带无线电频率传输系统

    公开(公告)号:US20160301552A1

    公开(公告)日:2016-10-13

    申请号:US15094323

    申请日:2016-04-08

    IPC分类号: H04L27/04 H04B1/00

    摘要: An ultra-wideband radio frequency transmission system capable of receiving a first signal with discrete levels, and including: a voltage-controlled oscillator capable of supplying a first oscillating signal including an oscillating circuit powered by a power supply circuit comprising at least one first current source controlled by the first signal with discrete levels or a second signal with discrete levels obtained from the first signal with discrete levels; a mixer capable of receiving the first oscillating signal and of supplying a second oscillating signal equal to the first oscillating signal multiplied by a gain which depends on the first signal with discrete levels or on a third signal with discrete levels obtained from the first signal with discrete levels; and an antenna or an electromagnetic coupling device capable of transmitting a radio frequency signal based on the second oscillating signal.

    摘要翻译: 一种能够接收具有离散电平的第一信号的超宽带射频传输系统,包括:能够提供第一振荡信号的压控振荡器,所述第一振荡信号包括由电源电路供电的振荡电路,所述振荡电路包括至少一个第一电流源 由具有离散电平的第一信号或具有从具有离散电平的第一信号获得的离散电平的第二信号控制; 能够接收第一振荡信号并且提供等于第一振荡信号的第二振荡信号的第二振荡信号,该第二振荡信号乘以取决于具有离散电平的第一信号的增益,或者提供具有从具有离散的第一信号获得的离散电平的第三信号 水平; 以及能够基于第二振荡信号发送射频信号的天线或电磁耦合装置。

    METHOD AND APPARATUS FOR GENERATING A PROOF-MASS DRIVE SIGNAL
    9.
    发明申请
    METHOD AND APPARATUS FOR GENERATING A PROOF-MASS DRIVE SIGNAL 有权
    用于产生防护质量驱动信号的方法和装置

    公开(公告)号:US20150280949A1

    公开(公告)日:2015-10-01

    申请号:US14440187

    申请日:2012-11-06

    IPC分类号: H04L27/04 H04L27/12

    摘要: A drive-mode oscillator module generates at least one proof-mass drive signal for use within a micro-electro-mechanical system (MEMS) device. The drive-mode oscillator module comprises at least one gain control component arranged to receive at least one proof-mass motion measurement signal, and to generate a digital modulation control signal based at least partly on the at least one proof-mass motion measurement signal, and at least one modulation component arranged to receive the digital amplitude modulation control signal, and to output at least one proof-mass drive signal. The at least one modulation component is arranged to digitally modulate the at least one proof-mass drive signal based at least partly on the received digital amplitude modulation control signal.

    摘要翻译: 驱动模式振荡器模块产生至少一个用于微机电系统(MEMS)装置内的校验质量驱动信号。 所述驱动模式振荡器模块包括布置成接收至少一个校验质量运动测量信号的至少一个增益控制部件,并且至少部分地基于所述至少一个校验质量运动测量信号产生数字调制控制信号, 以及至少一个调制分量,被布置成接收数字幅度调制控制信号,并输出至少一个校验质量驱动信号。 所述至少一个调制部件被布置成至少部分地基于所接收的数字幅度调制控制信号对所述至少一个校验质量驱动信号进行数字调制。