It is a really difficult course in analog electronics, so you must learn it
carefully ... The textbook used is the Huake Kanghuaguang version, and other textbooks can also be used for reference. The content is similar.
Not much to say, directly on the mind map dry goods (there is a link to the original HD map of the mind map) 
1 Introduction 
2 Operational amplifier
3 Diode and its basic circuit
4 Field effect tube and its amplifier circuit
5 Bipolar junction transistor and its amplifier circuit
The summary of the three configurations is not clear, give a close-up
I found that although csdn uploaded the original picture, the picture displayed is not particularly clear. Post the address of station B here, and the content after Chapter 5 is on it, you can also view the original picture
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B station column address (you can click to view the original picture)
https://www.bilibili.com/read/cv7670349
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Know the column address
https://zhuanlan.zhihu.com/p/256142426
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