1) differential pressure amplifier
差压放大器
2) 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。
4) increasing pressure drawdown
放大压差
1.
Aiming at the special conditions of Guang-1 Area of Guanghua Oilfield being at extra-high water cut stage,we have used unstable water injection method,together with some measures such as oil well re-perforation、enhancing recovery through increasing pressure drawdown and making old oil well into reproduction to improve waterflood effect,which has gained good effects in contr.
针对广华油田广一区进入特高含水开发期的具体情况,我们采用不稳定注水的方式,并辅之以油井补孔、放大压差采油、老井恢复生产等措施,用以改善水驱效果,在控制油井含水上升,挖掘剩余油潜力方面,取得了较好效果。
6) error-amplifier
误差放大器
1.
Based on the analysis of system s stability and the demand of load-regulation,a novel method for error-amplifier design is presented.
结合DC-DC升压转换器的工作原理,从系统稳定性和负载调整率要求的角度出发,提出了一种新颖的设计方法,以确定误差放大器的主要结构和基本参数。
2.
A novel error-amplifier is presented,which is used in DC-DC converter.
基于一种适用于DC-DC转换器的误差放大器,提出DC-DC转换器的系统补偿方案。
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。
参考词条