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嵌入式工程师面试题3-硬件
2022-07-01 08:31:00 【匠在江湖】
数模电
一、专业术语翻译
MCU____________
DSP____________
EPROM__________
PWM____________
二、填空
1、与非门表达式_______
2、三极管工作状态_______、、。
3、稳压管是利用二极管______特性。
三、画电路图
1、振荡电路。
2、电容三点式振荡电路。
3、整流电路,分析原理。
4、电池低电压保护电路。电池3V当低于2V时保护,LED报警。
5、运放电路
6、与、或、非门数字逻辑图与分立器件图
7、138译码数字器逻辑图
四、分析或计算电路
1、下图CE电压多少?三极管工作在啥状态。
2、下图A电压电压多少?
PCB
1、画PCB板要注意啥?
2、画PCB板用哪些工具?
3、什么是封装?
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