Bipolar voltage to frequency converter
    2.
    发明授权
    Bipolar voltage to frequency converter 失效
    变频器双极电压

    公开(公告)号:US4839788A

    公开(公告)日:1989-06-13

    申请号:US150139

    申请日:1988-01-29

    CPC classification number: G01R19/252 H03K7/06

    Abstract: A bipolar voltage to frequency converter which utilizes a single operational amplifier for generating appropriate signals representative of the frequency and signs of a bipolar input signal. The present invention has applications in chemical chromatography, absorption meters and data acquisition systems.

    Abstract translation: 一种双极性电压 - 频率转换器,其利用单个运算放大器来产生表示双极性输入信号的频率和符号的适当信号。 本发明在化学色谱,吸收计和数据采集系统中有应用。

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