1)  voltage uprise
电压放大
1.
It is analyzed that when the 10kV capacitor bank is switched-over, the phenomenon of transient voltage uprise will appear on 400V bus at customer side.
对影响暂态过电压放大的各种因素,如10kV补偿电容器的容量、用户侧用于补偿功率因数的补偿电容器的容量和阻抗、用户侧降压变压器的容量以及系统阻尼等,用电磁暂态分析程序(EMTP)作了全面的仿真分析。
2)  voltage amplifier
电压放大器
1.
Design of digital audio voltage amplifier;
数字音频电压放大器的设计
3)  voltage-amplifier tube
电压放大管
4)  voltage measure amplifier
电压放大数字化
5)  differential voltage amplifier
差动电压放大器
1.
A duty ratio measuring circuit,which using differential voltage amplifier as core component,was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC.
介绍一种利用占空比与PWM电路补偿端电压之间的关系 ,设计的以差动电压放大器为核心构成的占空比测量电路 ;它能以数字显示形式直接给出脉冲电源输出电压的占空比。
6)  voltage gain
电压放大倍数
1.
Most of the electronics textbooks think that the change of transistor parameter current amplification factor β can cause little change of voltage gain in one-stage common emitter configuration amplifiers.
一般电子技术教材认为,在单级共发射极放大电路中,改变三极管的β值对电压放大倍数的影响不明显。
2.
The relation between quiescent point and voltage gain,input resistance,output resistance,maximum nondistortion output voltage,dynamics parameter in amplifier is discussed by commom-emitter fixed-bias amplifier,the effective methods to improve voltage gain are deduced,and how to set reasonale quiescent point′s position based on amplifier′ different(uses) is also presented finally.
以共射固定偏置放大电路为例讨论放大电路中静态工作点与电压放大倍数、输入电阻、输出电阻、最大不失真输出电压等动态参数的关系,得出提高电压放大倍数的有效方法。
3.
Voltage gain is a important technical index in amplifier.
电压放大倍数是放大电路的一个重要的技术指标。
参考词条
补充资料:电压放大器
提高信号电压的装置。对弱信号,常用多级放大,级联方式分直接耦合、阻容耦合和变压器耦合,要求放大倍数高、频率响应平坦、失真小。当负载为谐振电路或耦合回路时,要求在指定频率范围内有较好幅频和相频特性以及较高的选择性。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。