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    • 10. 发明专利
    • Multiple-output-transconductance-amplifier-based instrumentation amplifier
    • 多输出 - 基于放大器的放大器放大器
    • JP2014023149A
    • 2014-02-03
    • JP2013141506
    • 2013-07-05
    • Honeywell Internatl Incハネウェル・インターナショナル・インコーポレーテッド
    • WERKING PAUL M
    • H03F3/45H03F3/34H03F3/68
    • H03F3/45H03F3/45183H03F3/45475H03F2203/45644H03F2203/45676H03F2203/45711
    • PROBLEM TO BE SOLVED: To provide devices and integrated circuits for instrumentation amplifiers.SOLUTION: In one example, an instrumentation amplifier device uses two non-inverted outputs of a first multiple-output transconductance amplifier, and a non-inverted output and an inverted output of a second multiple-output transconductance amplifier. Both multiple-output transconductance amplifiers have a non-inverted output connected to an inverting input, and a non-inverting input connected to a corresponding input voltage terminal. A first resistor is connected between the inverting inputs of both multiple-output transconductance amplifiers. The outputs of both multiple-output transconductance amplifiers are connected together, connected through a second resistor to ground, and connected to an output voltage terminal. In other examples, two pairs of outputs from triple-output transconductance amplifiers are connected to provide two voltage output terminals, and may also be connected to buffers or a differential amplifier. These provide various advantages over traditional instrumentation amplifiers.
    • 要解决的问题:提供仪表放大器的器件和集成电路。解决方案:在一个示例中,仪表放大器器件使用第一多输出跨导放大器的两个非反相输出,以及非反相输出和反相输出 的第二多输出跨导放大器。 多输出跨导放大器都具有连接到反相输入端的非反相输出端和连接到相应输入电压端子的非反相输入端。 第一个电阻连接在多输出跨导放大器的反相输入端之间。 多输出跨导放大器的输出连接在一起,通过第二个电阻连接到地,并连接到输出电压端。 在其他示例中,来自三输出跨导放大器的两对输出被连接以提供两个电压输出端子,并且还可以连接到缓冲器或差分放大器。 与传统的仪表放大器相比,它们具有多种优点。