前级放大器

1
preamplifier
... prealignment预先对准 preamplifier前级放大器 precipitationofoxygen氧气析出 ...
2
Preamplifier Amplifiers
... preamplifier 前置放大器 preamplifier amplifiers 前级放大器 preamplifier stage 前置放大级 ...
3
front amplifier
...性；前级放大器；浮点数；测量精度。 [gap=895]Keywords: Ammonia electrode; Index-number characteristic; Front amplifier; Floating point number; Measurement precision.
4
Preamp
前级放大器（Preamp）音箱前级的作用是处理接收到的..

短语

1
与一些音量控制置于输入端的电路不同，这个前级放大器的特征噪声能够随同信号一起衰减。
Any noise characteristic of the preamp circuit is attenuated along with the signal, unlike circuits where the volume control is before the input.
2
本文对固态线性功率放大器的研制包括：前级放大器的研制、驱动级放大器的研制、末级放大器的研制。
There are three development for the Middle Power Amplifier : the first stage power amplifier, the drive stage power amplifier and the last stage power amplifier .
3
微波、毫米波系统的噪声系数基本上取决于前级放大器的噪声系数，所以低噪声放大器是接收系统中相当重要的部件。
The noise figure of a microwave or millimeter-wave system basically lies on the noise of the front amplifier, so the Low Noise Amplifier (LNA) plays critical role for the receiving system.

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