电压负反馈

一种计算CFA电压负反馈放大器增益的简便方法

A Simple Method of Calculation of the Gain of Voltage Negative feedback Amplifier Based on CFA

控制电路引入电压负反馈环节，以提高系统的综合机械特性的硬度。

A loop of voltage negative feedback is introduced to increase the hardness of the mechanism property .

证明了电压负反馈电路的反馈系数和反馈网络的负载效应，都是负载RL的函数。

It has been proved that the feedback factor F and the load effect of feedback network are the function for load resistor RL .

负载对电压负反馈系数的影响分析曲线

Analysis of the effects of the voltage negative-feedback factor produced by the R_L

浅谈电流/电压负反馈功放电路

A Brief Discussion about the Amplification Circuit of Minus Feedback of Electric Current-Voltage

隔膜电阻测试方法的研究利用电压负反馈和电隔离技术，实现电阻电容在线测试；

It uses the principle of the voltage negative feedback and the method of the isolated voltage .

介绍一种新型电压负反馈电路，并研制了成本低、体积小的装置。

This paper introduces a newtyped voltage negative feedback circuit , and develops a low-cost and a small sized system .

该系统主电路采用单相桥式半控整流线路，具有电压负反馈和电流正反馈。

The system of main circuit uses single-phase half-controlled rectifier bridge circuit , with voltage negative feedback and current positive feedback .

从并联电压负反馈的角度，对输入电阻和输出电阻给出了下列4种方法的定量讨论。

From the negative feedback aspect of the parallel voltage , this paper quantitatively discusses input and output resistances by employing 4 methods .

本文讨论可控硅电压负反馈调速系统中电压调节器的设计和计算方法。

This paper deals with the design and calculation method of the voltage regulator used in the SCR regulating speed system with voltage negative feedback control .

该文提出一种调幅式直流高压放大器，它由幅值调制、功率放大、变压器升压、线性检波组成主回路，通过电压负反馈构成闭环控制。

A DC high voltage amplifier developed using amplitude modulation includes an amplitude modulator , a power amplifier , a step-up transformer , and a linear detector .

本文介绍的多功能手电钻控制器，采用电压负反馈、电流正反馈，并有电流截止负反馈的保护装置。

A multifunction hand electric drill control using voltage negative feedback and current positive feedback , with protecting devices of current cut-off negative feedback , is proposed .

通过对电压负反馈配合电流正反馈的送丝调速系统与转速负反馈调速系统的比较，得出了这两种调速系统的等效条件。

By the comparison of the voltage negative feedback wire-feeding speed regulation system supported by current positive feedback and the rotational speed negative feedback regulation system , the equivalent condition of the two systems is obtained .

它采用了电压闭环负反馈以及有效的PID调节环节和相应的超前校正环节，能保证很小的失真率和快速的动态响应能力。

The control circuit used very efficient PID modulation and anticipatory control so the power amplifier had little distortion and fast dynamic response .

以电压串联负反馈放大电路为例，证明用戴维宁定理（Thevenin'STHEOREM）对负反馈放大器作单向化变换，不是等效的变换，而且没能起到实质性单向化作用，即受控关系没有消除。

It is proved that one-way conversion of negative-feedback amplifier by Thevenin 's theorem is not to be equivalent conversion . I is presented .

以电压串联负反馈为例，采用晶体管的广义h参数，对反馈网络的负载效应做了定量分析。

Taking the negative feedback with voltage series as an example , the load effect of feedback network is analyzed quantitatively by employing the generalized h parameter of transistor .

该LNA结合了共源共栅结构和电压并联负反馈结构。

The proposed LNA combines a cascaded topology with a voltage shunt feedback topology .

控制电路基于PWM技术，采用电压闭环负反馈产生平硬的电源外特性，采用电流闭环负反馈对短路过渡过程进行波形控制。

The control circuit is based on PWM technique and uses negative-feedback by voltage to acquire strong static feature of CO2 welder and uses closed-loop of negative-feedback by current to control the waveform of short circuit .

指出了负反馈放大电路的性能测试与分析实验中电压串联负反馈放大电路测量开环电压放大倍数Av时的错误做法，并给出了正确的测量方法。

The incorrect method of measuring the amplifier of open-loop voltage by the negative feedback of the voltage-series in the experiment named " measure and analysis on the amplifier of negative feedback " is pointed out and the correct measure methods is given .

电压串联负反馈放大电路中开环电压放大倍数的测量

Measure of amplification of open-loop voltage in the negative feedback of voltage-series

该电路的反馈组态应是电压并联负反馈。

The feedback configuration of this circuit should be voltage parallel negative feedback .

论电压串联负反馈放大器放大系数的条件

On the Conditions of the Amplification Coefficient of the Voltage Series Negative Feedback Amplifier

交流励磁机整流励磁系统转子电压软负反馈的作用&微型计算机辅助分析

Effect of the Field Voltage Rate Feedback in the Excitation Control Systems with Alternator-Rectifier Exciters & An Analysis with the Help of the Microcomputer

在频率开环的系统中加入了电机端电压微分负反馈和频率前馈校正，改善了系统动态性能。

A differential negative feedback of motor output voltage and a feedforward correction of frequency are introduced to the system , in which the frequency is open loop controlled . It results in improvement of system 's dynamic characteristics .

本文借助于微型计算机对交流励磁机整流励磁系统转子电压软负反馈的作用进行了分析，并提供了选择转子电压软负反馈参数的方法。

The effect of the field voltage rate feedback in the excitation control system with alternator-rectifier exciter is analysed with the help of the microcomputer and a technigue for selecting the parameters of the field voltage rate feedback is presented in this paper .

此触发模块的设计以51系列微控制器为核心，同时增加CAN总线通信单元、RS485总线通信单元、电压和电流负反馈电路单元。

In this kind of trigger module , 51 series microcontroller is taken as the kernel , CAN bus communication unit , RS 485 bus communication unit , voltage and current negative feedback circuit unit are added .

由自感知电压引入速度负反馈闭环控制，并由假设模态法将位移按模态展开，求解了悬臂梁结构的动态特性；

The mathematical models based on the assumed modes method and a closed loop velocity feed back control law are developed to describe the flexural vibration dynamic behaviors .

为了满足控制系统对基准的精度的要求，借鉴分段补偿的思想，利用热电压在一带负反馈电阻的三极管上产生补偿电流，对基准进行了高阶补偿，使得温漂更低。

To meet the requirements of the accuracy of the bandgap reference , the thermal voltage is used on a transistor with negative feedback resistor to generate a compensation current for high-order compensation .

本文提出了为提高电动车用电动机驱动系统性能，采用在电动机电势和电流中加以特定谐波以及相电压超前的电流负反馈控制策略。

It is presented in the paper that the strategy of harmonics injection in both EMF and current and the strategy of leading angle current feedback control are adopted in order to improve performances of the driving system in the electric vehicle .

在单独供电功能模块实现的基础上，通过采用输出电压跟踪电路和引入电压负反馈的方法来提高电路的供电抑制比（PSRR）。

This circuit is realized by introducing output voltage tracking circuit and negative feedback method .