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    • 1. 发明公开
    • TRANSIMPEDANCE AMPLIFIER
    • TRANSIMPEDANZVERSTÄRKER
    • EP2383885A1
    • 2011-11-02
    • EP09838823.4
    • 2009-05-08
    • Sumitomo Electric Industries, Ltd.
    • YEUNG Pak-HoUMEDA Daisuke
    • H03F1/22H03F3/08
    • H03F1/083H03F1/0277H03F1/22H03F1/32H03F3/08H03F3/211H03F3/72H03F2200/411H03F2203/21106H03F2203/21142H03F2203/7203H03F2203/7227H03F2203/7236
    • Systems and apparatus for converting an input current signal into two or more output voltage signals on an integrated circuit. In one aspect, an integrated circuit includes a first trans-impedance amplifier that includes a first cascode amplifier; and a second trans-impedance amplifier that includes a second cascode amplifier, the second cascode amplifier and the first cascode amplifier sharing an input transistive element; where the first cascode amplifier is coupled to one or more first switches that disable the first trans-impedance amplifier, the second cascode amplifier is coupled to one or more second switches that disable the second trans-impedance amplifier, and control logic coupled to the one or more first switches and the one or more second switches disables at least one of the first trans-impedance amplifier or the second trans-impedance amplifier.
    • 用于将输入电流信号转换为集成电路上的两个或更多个输出电压信号的系统和装置。 一方面,集成电路包括第一跨阻抗放大器,其包括第一共源共栅放大器; 以及第二跨阻抗放大器,其包括第二共源共栅放大器,所述第二共源共栅放大器和所述第一共源共栅放大器共享输入转移元件; 其中第一共源共栅放大器耦合到禁用第一跨阻抗放大器的一个或多个第一开关,第二共源共栅放大器耦合到禁用第二跨阻放大器的一个或多个第二开关,以及耦合到第一跨阻放大器的控制逻辑 或更多的第一开关,并且所述一个或多个第二开关禁用第一跨阻抗放大器或第二跨阻放大器中的至少一个。