...变压器(power transformer)指在交流供电电源中用于将输入的220V/50Hz的市电变换为较低电压的器件。 前置放大器(preamplifier)指负责接收由音源送来的信号并对信号进行选择、控制音量和用于推动功率放大器的音响器材。
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acoustic emission preamplifier 声发射前置放大器
differential preamplifier 差动前置放大器 ; 差分式前置放大器
PA preamplifier 前置放大器
digital preamplifier 数字式前置放大器
laser preamplifier 激光前置放大器 ; 激光前置放年夜器
galvo-preamplifier 电流前置放大器
uhf preamplifier stage 特高频前置放大器 ; 特高频前置放大级
camera preamplifier 摄象机预放器 ; 照相机前置放大器
vhf preamplifier stage 甚高频前置放大器
N an electronic amplifier used to improve the signal-to-noise ratio of an electronic device. It boosts a low-level signal to an intermediate level before it is transmitted to the main amplifier 前置放大器 (Sometimes shortened to preamp)
Preamplifier . Benefits to fall back also quite large.
对背摔的好处也蛮大。
The comparator includes a preamplifier, a dynamic latch and a clocked inverter.
该比较器包含一级预放大器、动态锁存器及时钟控制反相器。
It is a switch capacitor circuit which consists of the preamplifier and dynamic latch.
比较器是前置放大器与动态锁存器组成的开关电容电路。
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