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热词
    • 9. 发明授权
    • Amplifier circuit and magnetic sensor
    • 放大电路和磁传感器
    • US07961042B2
    • 2011-06-14
    • US12721755
    • 2010-03-11
    • Toru Takeda
    • Toru Takeda
    • H03F1/02
    • H03F3/005G01R19/0023G01R33/0029G01R33/07H03F3/45475H03F3/45968H03F2200/261H03F2203/45138H03F2203/45528H03F2203/45534
    • An amplifier circuit, includes: a first amplifier; a second amplifier; a first capacitor connected to the first amplifier; a second capacitor having one terminal connected to the first amplifier, another terminal connected to the second input terminal; and a first switch circuit switching a connection of the output terminal, the another terminal of the first capacitor, the first input terminal and the second input terminal, and switching supplying a reference potential supply, the first switch circuit including: a first state connecting the first input terminal to the second input terminal, connecting the output terminal to the another terminal of the first capacitor, and supplying the second input terminal with the reference potential, a second state connecting the first input terminal to the another terminal of the first capacitor and providing the output terminal and the second input terminal in an open state.
    • 一种放大器电路,包括:第一放大器; 第二放大器; 连接到第一放大器的第一电容器; 第二电容器,其一端连接到第一放大器,另一端连接到第二输入端; 以及第一开关电路,其切换所述输出端子,所述第一电容器的另一端子,所述第一输入端子和所述第二输入端子的连接,以及切换提供参考电位电源,所述第一开关电路包括:第一状态, 第一输入端子连接到第二输入端子,将输出端子连接到第一电容器的另一端子,并将第二输入端子提供给参考电位;将第一输入端子连接到第一电容器的另一端子的第二状态;以及 将输出端子和第二输入端子设置在打开状态。