pre-amplifier

常见例句

This paper simply analyzes pulse generating circuit,pre amplifier,power amplifier through examples.
通过实例对脉冲发生、预放(驱动)、功放电路进行了简要分析。
I bought an amplifier yesterday.
我昨天买了一个扩音器。
pre amplifier
前置放大器
Cook the pie for 20 minutes in a pre heated oven.
在经过预热的烤箱里烘烤馅饼20分钟.
The pre - christmas period be always very busy .
圣诞节前这一段时间总是很繁忙的。
A gradual change in the output of a circuit or amplifier.
逐渐改变电路或放大器输出功率的逐渐改变