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。
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 kinds of methods such as lead net rectification and negative feedback rectification are proposed, which can increase the output current speed of the current amplifier. 提出采用超前校正和负反馈校正提高电流放大器输出电流响应速度方法。
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
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。
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 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%。
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
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;
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。
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 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。
The ADC includes current mirror, current reference, current comparators, current amplifier and DAC so on. ADC电路结构中包括电流基准源、高精度电流镜、电流比较器、电流放大器等模拟电路模块,以及DAC数字电路模块,属于数模混合电路。
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
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。
Photo-signals are transformed into electric signals by a photoelectric multiplier, and then the electric signals are amplified by a three-step high input impedance direct current amplifier. Working parameters that influence intensities of analytical spectral lines and background are optimized. 以ICP作光源,用光电倍增管将光信号转换为电讯号,采用三级高输入阻抗直流放大器放大信号,对影响分析谱线强度和背景强度的工作参数进行了合理优化。
In this paper, a method used to amplify faint direct current signal is put forward, and the circuits of direct current amplifier to realize the method are devised. 本文提出一种放大微弱直流信号的方法,同时设计了实现这一方法的直流放大器电路。
By making use of controlling current to achieve the effect of voltage-controlled oscillation, four stages of source capacitively coupled current amplifier and two inverters are adopted to realize this VCO. 设计一个由四级容性源极耦合差分电流放大器和反相器组成的压控振荡器电路,通过控制电流源的方式达到压控振荡的效果。
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
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。
Passive Current Amplifier Realization and Application 无源电流放大器的实现及应用
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 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。
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。
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
This paper reports computer data acquisition system of accurate pressure difference, which is composed of accurate pressure difference sensor, direct current amplifier, A/ D adapter and computer etc. The system has quickly measured the pressure and time of hydrogen peroxide decomposition reaction at different temperature. 报道了用传感器、直流放大器、数据采集存贮器、计算机等组成的精密微压差计算机数据采集系统,快速准确地跟踪测定了不同温度时过氧化氢分解反应压力与时间的关系。
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
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。
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。