释义 |
pre·am·pli·fi·er AHD[prē-ămʹplə-fī'ər] D.J.[priːˈæmpləˌfaɪə]K.K.[priˈæmpləˌfaɪɚ]n.(名词)- An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.前置放大器:电子线路或装置,用来探测并加强无线电接收机所发出的微弱信号,从而使其达到更加有力的增幅程度
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