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    • 4. 发明授权
    • Amplifier system
    • 放大器系统
    • US6101373A
    • 2000-08-08
    • US982115
    • 1997-12-01
    • John Samuels
    • John Samuels
    • H03G3/20H03F1/34H03G3/30H04B1/16H03C1/62
    • H03G3/3068
    • An amplifier system for a radio receiver, comprising: an amplifier chain having a first amplifier for receiving a signal derived from a received radio signal and amplifying it to generate a first amplifier signal, and a second amplifier for receiving a signal derived from the first amplifier signal and amplifying it to generate a second amplifier signal; a sensor means for sensing the level of a signal at a point in the amplifier chain; and amplifier control means responsive to the sensor means for, when a relatively high level of signal is sensed, controlling the first and second amplifiers to improve their response.
    • 一种用于无线电接收机的放大器系统,包括:放大器链,其具有第一放大器,用于接收从接收到的无线电信号导出的信号并对其进行放大以产生第一放大器信号;以及第二放大器,用于接收从第一放大器 信号并放大以产生第二放大器信号; 传感器装置,用于感测放大器链中某点处的信号电平; 以及响应于所述传感器装置的放大器控制装置,当感测到相对高水平的信号时,控制所述第一和第二放大器以改善其响应。