pre·am·pli·fi·er 
(prē-ămplə-fī′ər)
(prē-ămplə-fī′ər)n.
An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.
| 单词 | preamplifier |
| 释义 | pre·am·pli·fi·er (prē-ămplə-fī′ər)n. An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages. |
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