power-amplifier stage的意思|示意

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 .

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。

We also experimentally demonstrate a novel three-stage erbium-doped fiber amplifier with high gain, low noise figure, and high output power.

研究了新型的三段级联泵浦优配的掺铒光纤放大器的优化光路结构，得到高增益，低噪声，大输出功率的掺铒光纤放大器；

Purpose: Power amplifier applications, driver stage amplifier applications.

用途：用于功率放大、驱动级放大。

Products are mainly used for stage audio, video, audio, power amplifier, set-top boxes, computers, cars, satellite signal reception and other electronic equipment.

产品主要用于舞台音响，电子影像，音响，功放，机顶盒，电脑，汽车，卫星信号接收及其他电子设备。

The power stage of servovalves is spool valve, playing the role of hydraulic pressure amplifier.

电液伺服阀的功率级一般为滑阀，起液压放大器的作用。

Second, a push-pull class A amplifier output stage will have inherent rejection of power supply ripple and noise.

第二，推挽A级放大器输出阶段将拥有固有拒绝电源纹波和噪声。