差分放大电路

差分放大电路的Pspice仿真分析

Pspice Simulation Analysis of Differential Amplifier

在硬件电路中，设计并实现了各个电路模块，包括基于DDS的高频率稳定性激励信号源模块、功率放大电路、前置差分放大电路、高频鉴相电路以及主控电路。

In hardware part , every circuit components has been fabricated , such as high frequency stability signal source based on DDS , power amplification circuit , differential amplifier circuit , high frequency phase detection circuit and main control circuit .

PSPICE在差分放大电路分析中的应用研究

Research on Simulative analysis of the difference amplifier based on PSPICE

系统中信号检测与处理部分研究内容包括：三极管开关驱动电路、光电接收电路、前置差分放大电路，数字式取样积分器的软件实现和PWM信号低通滤波处理。

Thirdly , the signal detecting and processing section includes switching drive circuit , design of photoelectric transformation and preamplifier , the realization of digital sampling integrator and PWM signal low-pass filter .

关于长尾式差分放大电路静态分析中的一些问题

Some problems of direct analysis in the differential amplifier circuit The Pattern of Differential

结合数字合成脉冲的技术特点及信号特征，提出利用恒流源差分放大电路具有非线性工作区的特点实现高频脉冲信号调理的方法。

Considering the characteristics of digital-synthesis technology and pulse signal , this paper proposes a method to implement the adjustment of high-speed pulse using differential amplifier .

差分放大电路作为集成运算放大器的输入级电路，具有电路结构复杂、分析繁琐的特点，一直是模拟电子技术设计与分析中的难点。

As the input stage of arithmetic amplifier , difference amplifier has the characters of complex composition and complicated analysis , so it is the difficult point of the analysis and design of analog electronics .

利用NI的PCI6221数据采集卡，通过LabView系统分析压电薄膜的传感特性和频率特性，并在此基础上设计并调试了压电悬臂梁差分电荷放大电路及微电流放大电路。

Sensing and frequency characteristics of piezoelectric-film have been analyzed using the NI-DAQ PCI 6221 by Lab VIEW system . Based on the analysis above , sensing circuits ( differential charge amplifier and micro-current amplifier ) have been designed and debugged .

系统的信号放大设计部分采用了差分运放放大电路，以提高信号的信噪比，并增大信号的共模抑制比。

Signal amplification system designed partly based on the differential op amp amplifier circuit to improve the signal to noise ratio , increasing the signal common mode rejection ratio .

用电容电桥一差分放大可控增益单元电路实现AGC

A Capacitance Bridge-Differential Amplifier Used for the Gain Control Unit of AGC