共集-共基组合放大电路具有良好的宽带放大特性,既可以作为缓冲级又能够提供一定的电压和电流增益。
The CC-CE combined amplifier has the nicer wide band magnifiable characteristic qua the buffer and gives some gains in voltage and electric current.
和电压表电路一样,可以使用如图1 - 11所示的组合电路来改变皮安表放大器的增益。
Picoammeter amplifier gain can be changed as in the voltmeter circuit by using the combination shown in Figure 1-11.
将静电计置于电压模式,然后打开外部反馈,就把反馈电路从内部网络切换到连在前置放大器输出端的外部反馈网络上。
Placing the electrometer in the volts mode and then enabling external feedback switches the feedback circuit from an internal network to a feedback circuit connected to the preamp output.
小于0.5伏的三角波电压经放大后再显示,该电路可作为各种电化学仪器的显示单元。
The ramp voltage less than 0. 5v will be displayed after amplification. The circuit can be used as display unit for various electrochemical instruments.
该带隙电压基准源电路中的深度负反馈运算放大器为低失调、高增益的折叠型共源共栅运算放大器。
A deep negative feedback operation amplifier used in band gap reference is a common source and gate folded cascade operation amplifier with a lower offset voltage and a higher gain.
由于生物电信号非常微弱,容易受量测环境及电路本身等因素所影响,故要求该放大器具有低噪声和低失调电压的性能。
Due to its relative low amplitude properties, the bioelectricity signal is easy influenced by surrounding factor, the amplifier with low noise and voltage offset is required.
它们用于提高放大电路的增益和实现输出阻抗匹配,提高电流复制精度,减小电压增益误差。
They are used to enhance the gain of amplifier and realize the impedance matching, improve the current copying precision, decrease the tolerance of voltage gain.
分析了用运算放大器组成正弦波振荡电路的起振条件和输出电压幅值的调节及选频网络的构成。
This paper is involved in the analysis of oscillation starting condition, output voltage amplitude adjustment, and frequency selection network composition of sinusoidal coave oscillation circuit.
对于理想的运算放大器而言,通过倒相输入处零电压和零电流的理想求和点限制,可以简化电路分析过程。
In the case of ideal operational amplifier, circuit analysis was simplified by the ideal summing point restraints of zero voltage and zero current at the inverting input.
在功率输出级采用OCL互补对称功率放大电路,并对该功放电路增加电压负反馈,使得输出的正弦电压信号平滑而稳定。
At the power output, OCL complementally and symmetrical power amplifier is adapted. The output sine voltage becomes smooth and stable by adding voltage-negative-feedback to power amplifier.
构造了一些新的基于电流反馈放大器的电压模式双二阶滤波器,多滤波功能和参数可调是这些电路的主要优点。
Some new voltage-mode second-order filters based on current feedback amplifier are proposed. The major merits of these circuits are multiple filtering function and adjustable parameter.
应用包括传感器放大器,直流放大块,和所有的传统运算放大器,现在可以更容易地在单电源电压系统实现电路。
Applications include transducer amplifiers, dc amplification blocks, and all the conventional operational-amplifier circuits that now can be more easily implemented in single-supply-voltage systems.
利用集成运算放大器的特点,设计了输出电压无非线性误差的电桥电路传感器。
Using the characteristic of integrated operational amplifier, an electric bridge circuit sensor without nonlinear error in its output voltage is designed.
首先介绍了两种专用数字音频处理器的性能特点和原理,然后阐述高品质数字音频电压放大器的几种电路设计方案。
This paper introduces the operating principle of two special digital audio processors, and then describes several circuit designs of high quality digital audio voltage amplifier.
当频率高于截止频率时,随着频率的升高,电压放大倍数将降低,由此电路具有“低通”的特性。
When the frequency is higher than the cut-off frequency, as the frequency increases, voltage amplification factor will be reduced, thus the circuit has a "low-pass" characteristics.
电压放大倍数是放大电路的一个重要的技术指标。
该放大器采用全差分结构以获得高输出摆幅,利用源反馈技术改善线性度,并设计了共模反馈电路以稳定共模输出电压。
The amplifier employs fully differential structure to obtain high output voltage swing, and uses source degeneration techniques to improve the linearity.
用运算放大器构造的微分电路可能存在饱和现象,导致输出与输入电压之间不满足微分关系,使微分电路失去应有性能。
There may be saturation in the differential circuit built with the operational amplifier (op amp), which causes that the relationship between input and output is not differential expression.
介绍以通用集成运算放大器构成高压放大电路及高摆幅电压跟随器的原理和电路。
The principles and circuit diagrams of the high voltage amplifier as well as the big swing voltage follower using general puropse IC operational amplifiers are presented.
设计并实现了激励脉冲发射电路、滤波、信号放大、电压比较、检波等信号处理电路。
The interrogation pulse, filter, signal amplifier, voltage comparator and the signal processing circuits are designed and realized.
该电路应用两级差动放大增加电路增益,利用源极跟随器作为电压缓冲器以减少信号电平损失。
It uses tow-stage differential amplifiuers to increasee the circuit gain and uses a source follower as a voltage buffer to decrease signal volt- age losing.
给出了一种常用两级低电压CMOS运算放大器的输入级、中间增益级及输出级的原理电路图,并阐述其主要工作特性。
The principle figures of input stage middle gain stage and output stage for a usual two stage low-voltage CMOS operational amplifier and their principal performance are presented in the paper.
偏置电流源电路的设计:利用带隙基准电压源提供的,通过运算放大器为系统其他的模块提供一个与温度无关的稳定的电流偏置。
The current bias design: Taking advantage of the bandgap reference voltage, the temperature independent current bias for the system is designed by an operation amplifier.
光探测及放大电路实现信号的光电转换并放大、滤波,得到清晰的电压信号。
Optic detecting and amplifying circuit makes the optoelectronic signals exchange, amplify, filter and get the voltage signals.
为放大电压和电流两者而设计的一种电子管或电路。
A tube or circuit designed to amplify both voltage and current.
用途:用于要求高电压的一般放大电路。
Purpose: General purpose amplifier applications requiring high breakdown voltages.
作为改进,输入缓冲电路组成的阶段拉一拉期间的输出低的条件差分放大器的输出电压略高。
As improved, input buffer circuitry comprises a pull up stage to pull up the voltage of the differential amplifier output slightly higher during an output low condition.
本文分析CCLID浮置扩散放大器(FDA)输出电路的输出电压波形。
This paper analyses the output voltage waveform of the CCLID with floating diffusion amplifier (FDA) output circuit and proposes the concept of "reset inefficiency".
仿真结果表明,改进控制电路后的系统不但解决了输出直流偏置问题,而且解决了电压补偿方法所造成的放大器增益下降问题。
The simulation results show that the amplifier of improved control circuit not only solve the question of output DC offset, but also keep the voltage gain lowered by voltage compensation technique.
仿真结果表明,改进控制电路后的系统不但解决了输出直流偏置问题,而且解决了电压补偿方法所造成的放大器增益下降问题。
The simulation results show that the amplifier of improved control circuit not only solve the question of output DC offset, but also keep the voltage gain lowered by voltage compensation technique.
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