电子电路分析与设计electriccircuitanalysisanddesign
2020-07-21 14:07:19 0 举报AI智能生成
电子电路分析与设计_electric circuit analysis and design
作者其他创作
大纲/内容
理论部分
前向通道设计forward path design
传感器sensor
应变片strain gauge
光敏电阻photoresistance
整流电路
有源滤波器active power filter
比无源滤波器好在：passive filter输出阻抗低 low output resistance能够提供一定增益 can offer amplification便于级联 easy to combined to form higher order filter
高通低通带通带阻HPF LPF BDF BEF
压控型比有源二阶滤波器好在，中心频率处增益可调
A/D
控制器设计controller design
FPGAlogic gate array
主频50MHZ并行parallel速度快speed is high使用硬件语言 VHDL
Altera Quartus II
后向通道设计backward path design
D/A
功放电路power amplification circuit
JBT 功率三极管Bipolar Junction Transistor
晶闸管thyristor／SCR
DC motor control
H bridge
PWM control
LM298
抗干扰 anti-interference
滤波filter
去耦decoupling capacitor
共模扼流圈common mode choke
屏蔽shield
分离强电、弱电separate strong／weak current分离数电、模电separate analog／digital circuit
实验部分
电子称实验electronic scale‘s experiment
use 4 strain gauge to design a scale, which can measure weight and show it on voltmeter
悬臂梁——应变片——桥电路——仪用放大INA128——增益调整电路——电压表cantilever——strain gauge——bridge—— instrument amplifier——amplification adjust circuit——volt meter
测量特性曲线measure characteristics curve
位移传感器实验displacement sensor experiment
电路设计
1、位移与电感成正比displacement in proportion to inductance2、输出电压与电感成正比output voltage in proportional to inductance
变压式位移传感器 transformer displacement transducer
波形发生 sine wave generator功放电路 power amplification circuit精密整流 rectification circuit滤波 filtering circuit差分放大 differential amplification circuit整定电路 setting circuitA/D 0～3.3VFPGAD／A
焊接电路板PCB welding
软件设计
已有从A/D到数码管显示程序，需改为用LED显示already have the program which from A/D to nixie tube displaywhat i have to do is to change it use LED screen to display
after we get the value of AD16 BCD codefirst 4 bit is sign bit next is A／D resultlook up the tablefind the character that should be displayed
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