current amplifier

A weak current amplifier and output circuit used in nuclear weighing scales

用于核子皮带秤的弱电流放大器崐和输出电路

However , a current amplifier always tries to multiply the current by a set amount .

不过，电流放大器总是设法对电流进行一定的放大。

Research on Increasing the Response Speed of the Current Amplifier

提高电流放大器电流响应速度的研究

Two circuit are simulated , including voltage and current amplifier .

对电压和电流两种放大电路进行了仿真分析。

The third part is the design and the performance of gradient current amplifier .

作为梯度单元中另一部分，梯度电流放大器起到了放大所需梯度电流的作用，其结构和性能在文中进行了描述。

Current Amplifier Used in Electro-optic Measurement and Its Noise Measurement

用于电光测量的电流放大器及其噪声测量方法

Exciter Field Current Amplifier Based on H Bridge Topology Circuit

基于H桥拓扑结构的励磁电流放大器

Passive Current Amplifier Realization and Application

无源电流放大器的实现及应用

Design of Programmable Weak - current Amplifier

可编程微电流放大电路的设计

In these situations we require either a current amplifier or a buffer .

这时我们就需要一个电流放大器或缓冲器。

A High-Frequency Second-Order Low-Pass Filter Based on a Low-Voltage Current Amplifier

基于低电压电流放大器的高频二阶低通滤波器

Characteristic and Application of CMOS ' Capacitively Coupled Current Amplifier

CMOS容性耦合差分放大器的特性与应用

Ratio current amplifier and its application in the calibration for mini-current transformer

比例电流放大器及其在微电流互感器校验中的应用

A Weak Current Amplifier

一种弱电流放大器

A weak current amplifier and output circuit with a maximum nonlinear error of ± 0.06 % has been developed .

研制了弱电流放大器和输出电路，其最大非线性误差为±0.06%。

The applications and the hardware including gradient waveform generator , gradient current amplifier and gradient coil are also presented .

首先介绍脉冲场梯度技术的应用和脉冲梯度单元的硬件部分。

A control circuit which is composed of a capacitor and a current amplifier is connected in a coil circuit in series .

线圈回路中串接有由电容和电流放大器组成的控制电路。

Presents a static electric field measurement method using a high input resistance voltage amplifier . The method , is simpler than that using a charge or current amplifier .

提出了用高阻电压放大器测量静电场的方法，该方法比使用电荷、电流放大器方法简单。

The I-V and V-F converter design for mode of feedback current amplifier is introduced . Method of reducing noise disturbance is discussed in detail .

介绍了反馈式电流放大器型I/V转换和V/F变换电路的设计，详细讨论了减少噪声干扰的措施。

It is composed of reactance converter , alternating current amplifier , oscillator , power amplifier , synchronizing voltage amplifier and power source .

它由电抗变换器、交流放大器、振荡器、功率放大器、同步电压放大器及电源所组成。

The continuous monitoring system consists of a high pressurized ionization chamber , integrated weak current amplifier , V / F converter and intelligent data recorder .

该系统由高气压电离室，集成化弱电流放大器，V/F变换器和智能化数据记录仪组成。

Double balance Gilbert-cell incorporating a capacitively-source-coupled current amplifier and a single-tuned tank as load is utilized to improve the circuit performance .

该电路采用改进型双平衡Gilbert单元的结构，引进了容性源极耦合差动电流放大器和调谐负载电路，大大提高了电路的性能。

Through analysing the three trouble phenomenon , the base of principle thermal conductivity cell detector 、 thermal conductivity cell temperature controller and micro current amplifier for Gas Chromatography 103 are recommended .

通过三例故障现象的分析，介绍103气相色谱仪热导池检测器、热导池温度控制器和微电流放大器的工作原理。

A CMOS capacitively coupled current amplifier that has narrow-band characteristic is presented . And it ′ s theory and simulation results were compared with the simple source coupled current amplifier .

提出了一种具有窄带特性的CMOS容性耦合差分放大器，并与简单的源级耦合差分放大器在理论分析与模拟结果方面进行了对比。

The capacitive coupled current amplifier is used herein as the basic feedback unit of the VCO and the oscillation frequency is controlled through MOS capacitance in the output .

文章利用容性耦合电流放大器作为压控振荡器的基本反馈单元，并在输出端增加MOS电容来控制振荡频率；

The buffer differs from the current amplifier as it sets out to provide whatever current level is demanded from it in order to maintain the signal voltage told to assert .

缓冲器总是可以提供任何你所需要的电流，以便维持其标称电压保持不变。这就是它与电流放大器的不同之处。

Critical design of MSPC is current amplifier with order of pA , also , its input impedance , operational precision and decreasing noise are a key for designing current amplifier with order of pA.

pA级电流放大器是测试系统的设计重点，而其输入阻抗、运算精度及噪声抑制又是设计关键。

Secondly , multimode fiber-optics is used to isolate electrical connection and transmit the signals , while current amplifier and grid electrode auxiliary drivers are assembled to generate the advanced control signals .

第二级，多模光纤隔离电气连接并传递信号，再经电流放大和栅极辅助驱动输出开关管控制信号。

The experiment shows that if the current amplifier factor is big , Junction J_3 is hard and the ineffective trigger branch current is low , the turn-on time can be shorten effectively .

实验结果指出，器件的电流放大系数器件大J、3结特性硬，无效触发分流小，可有效地缩短开通时间。

This paper , through mathematical analysis method , shows that the response velocity and the abilities of compress dynamic range and restraint interference pulse of automatic gain control are in proportion to the slope of adjustment characteristics and the gain of direct current amplifier .

用数学分析的方法表明：AGC的响应速度、压缩动态范围及抑制干扰脉冲的能力均与AGC调整特性的斜率和直流放大器的增益成正比关系。