1·To improve efficiency of power amplification circuit, circuits is being improved ceaselessly.
为了提高功放电路的效率，电路被不断改进。
2·The power FETs are more and more widely used in radio-frequency power amplification in all-solid state transmitter.
场效应功放管在全固态发射机的射频功放中应用得越来越广泛。
3·Darlington transistor is more convenience in power amplification areas because of its high power gain and high reliability.
达林顿晶体管增益大、可靠性高，尤其在大功率应用中更加简便。
4·A linear power amplification system of high efficiency is adopted to raise the power performance index of some SSB transceivers.
为了提高某单边带电台的功率性能指标，采用了高效率线性放大系统。
5·The traditional class D amplifier is composed of three parts: modulation circuit, driving circuit and power amplification circuit.
传统的D类放大器一般由三部分组成，即调制电路、驱动电路和功率输出电路。
6·If a spring foundation is used, comparison shows that more than 98% of the power amplification factor will be reduced by the spring elements.
如果使用弹性基础，则基础的动力放大系数将减少98%左右，可避免基础与半速汽轮机组产生共振。
7·A power amplification of H-bridge bipolar PWM control is designed for controlling DC micro-motor of positive rotation, reverse rotation and speed regulation.
基于H型双极模式P WM控制原理，设计了一种直流微电机正反转调速功率放大电路。
8·In the early 1950s, a new technology based on semiconductor construction would replace triodes with transistors, in cases where low-power amplification was needed.
在上个世纪五十年代初期，基于半导体结构的新技术，在需要低功率放大的情况下可用晶体管替换三极管实现这一功能。
9·The coupling efficiency of laser with semiconductor power amplification, output power of laser with semiconductor power amplification and operating lifetime have been improved.
提高了半导体功率放大激光器的光耦合效率以及输出的光功率。
10·The paper presents design proposal. working principle and functions of the signal processing system in the phase noise calibrating system 'for the pulse power amplification chain.
详细介绍了在脉冲功率放大链相位噪声检定系统中的信号处理系统的设计方案、工作原理及功能。