查询词典 current amplifier

Its work principle is to make use of new-style DAC, operation amplifier and dynatron and so on to construct invariance current circuit controlled by program, and reso...

介绍了方案的工作原理，根据光学特征点———红外发光二极管的光学特性，运用新型D/A转换器、运算放大器及三极管等构成可程序控制的恒流源电路，解决了发光二极管控制过程中的电流调整困难、工作过程中发热、管耗高等问题。

In the AMB system, a power amplifier which provides magnetic coil with exciting current to produce electromagnetic force, is one of the main components.

在电磁轴承系统中，功率放大器的作用是向电磁铁线圈提供相应的控制电流以产生所需要的电磁力。

Then the chip based on the process module, especially the current feed-back loop, loop compensation, error amplifier and band gap circuits was analyzed and designed.

重点分析了电流反馈环路，斜波补偿电路，误差放大器、基准产生电路等几个模块。

However, the RL/CD impedances electric circuit which is based on the current- feedback amplifier are few.

文献E33中，作者用电流传送器实现的高阶阻纳函数设计了多种高阶滤波器电路。

A set of equipment including a special shunt and a special amplifier are made up to measure the post-arc fulgurite current from which the post-arc fulgurite resistance is obtained.

本文通过自制试验设备测量熔断器中弧后残躯电流随时间变化的关系曲线，从而得到不同熔体材料采用不同的填充方法的弧后残躯电阻曲线。

A set of equipment including a special shunt and a special amplifier are made up to measure the post-arc fulgurite current from which the post-arc fulgurite resistance is obtained. Several fuses with different fuse material are used to measure their post-arc fulgurite resistance.

本文通过自制试验设备测量熔断器中弧后残躯电流随时间变化的关系曲线，从而得到不同熔体材料采用不同的填充方法的弧后残躯电阻曲线。

These two pairs exhibit different offsets and bias currents, so when the applied input common-mode voltage changes, the AMPLIFIER input offset voltage and input bias current does also.

由于这两个差分对有不同的失调电流和偏置电流，因此加到输入共模电压变化，放大器的输入偏置电压和输入偏压电流也跟着改变。

The amplifier has additional modulation and demodulation,and has the advantage of smaU input bias current, low maladjustment voltage and temperature excursion, exact feedback speciality and high common mode control ratio.

具有输入偏置电流小，低失调电压和温度漂移以及精密的反馈特性和高的共模抑制比能力。

This article points out the difference in the definition of input offset current about analog Integrated Operational Amplifier Circuit in common teaching material for analog electronics.

指出在高等院校工科电气电子类模拟电子技术课程常用教材和参考书中关于模拟集成运算放大器输入失调电流IIO的定义不一致的问题。

While the most important characteristics of the electrometer voltmeter operational amplifier are low input offset current and high input impedance, the most important requirement for the nanovoltmeter input preamplifier is low input noise voltage.

静电计电压表使用的运算放大器，最重要的特性是低输入偏置电流和高输入阻抗。纳伏表输入前置放大器的最重要的要求，则是低输入噪声电压。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。