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    • 10. 发明申请
    • GYROSCOPE SENSOR CIRCUIT
    • GYROSCOPE传感器电路
    • US20110314911A1
    • 2011-12-29
    • US12986736
    • 2011-01-07
    • Chang Hyun KIM
    • Chang Hyun KIM
    • G01C19/56
    • G01C19/5649G01C19/5776
    • Disclosed is a gyroscope sensor circuit, including a first differential amplifier differentially amplifying signals outputted from first sensing nodes of a gyroscope sensor; a phase shifter shifting a signal from the first differential amplifier by a predetermined shift phase; an amplitude detector detecting the amplitude magnitude of the signal from the first differential amplifier; and a variable gain amplifier amplifying the shifted signal from the phase shifter with gain adjusted depending on the amplitude magnitude from the amplitude detector, and providing the amplified signal to driving nodes of the gyroscope sensor.
    • 公开了一种陀螺仪传感器电路,包括差分放大从陀螺仪传感器的第一感测节点输出的信号的第一差分放大器; 移相器将来自第一差分放大器的信号移位预定的移位相位; 振幅检测器,检测来自第一差分放大器的信号的振幅幅度; 以及可变增益放大器,其放大来自移相器的移位信号,其增益根据来自振幅检测器的幅度幅度而调节,并将放大的信号提供给陀螺仪传感器的驱动节点。