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    • 7. 发明授权
    • Multiplexed amplifier
    • 多路复用放大器
    • US07253701B2
    • 2007-08-07
    • US10999849
    • 2004-11-30
    • Andrew D. SmithBarry R. Allen
    • Andrew D. SmithBarry R. Allen
    • H01P5/12
    • H01P1/2135
    • Multiple sensor signals are used to modulate an equal number of frequency-spaced carrier signals in a directional parametric upconverting amplifier. Basically, the carrier signals are separated in a cascaded or parallel configuration of narrow frequency passbands, which also modulate the carrier signals with low-frequency sensor signals. The modulated carrier signals are multiplexed and output over a single signal path, thereby reducing power dissipation. Preferably implemented in superconducting circuitry, the multiplexed amplifier facilitates multiplexing of as many as hundreds of sensor signals and achieves both amplification and upconverting with minimal dissipation of power.
    • 多个传感器信号用于在方向参数上变频放大器中调制相等数量的频间隔载波信号。 基本上,载波信号以窄频率通带的级联或并联配置分离,窄频率通带也用低频传感器信号调制载波信号。 经调制的载波信号被复用并通过单个信号路径输出,从而减少功耗。 优选地,在超导电路中实现,多路复用放大器有助于多达数百个传感器信号的复用,并且以最小的功率消耗实现放大和上变频。