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    • 20. 发明授权
    • Circuit and method for temperature and process independent transimpedance amplifier arrangement
    • 温度和工艺独立跨阻放大器布置的电路和方法
    • US08263927B2
    • 2012-09-11
    • US12861919
    • 2010-08-24
    • William ChanPeter Kim
    • William ChanPeter Kim
    • H01J40/14H03F3/04
    • H03F3/08
    • An integrated circuit transimpedance amplifier arrangement constituted of: a plurality of internal matched resistors; a current multiplier arranged to output a signal whose value is a function of an input current signal, an external resistor and a first set of the plurality of internal matched resistors; and an output transimpedance amplifier coupled to the output of the current multiplier, the output transimpedance amplifier exhibiting a gain whose value is a function of a second set of the plurality of internal matched resistors, wherein the output of the output transimpedance amplifier is a function of the input current signal, the external resistor, the first set of the plurality of internal matched resistors and the second set of the plurality of internal matched resistors, wherein the variations with temperature of the first set of the plurality of internal matched resistors and the second set of the plurality of internal matched resistors cancel.
    • 一种集成电路跨阻抗放大器装置,包括:多个内部匹配电阻器; 电流倍增器,被布置为输出其值是输入电流信号的函数的信号,外部电阻器和所述多个内部匹配电阻器的第一组; 以及耦合到所述电流乘法器的输出的输出跨阻放大器,所述输出跨阻抗放大器呈现其值是所述多个内部匹配电阻器的第二组的函数的增益,其中所述输出跨阻抗放大器的输出是 输入电流信号,外部电阻器,多个内部匹配电阻器的第一组和多个内部匹配电阻器的第二组,其中多个内部匹配电阻器的第一组的温度变化和第二组 多组内部匹配电阻的组合取消。