This course is an important branch of the foundation of electronic technology. It is a technical basic course for electrical, electronic information and some non-electrical undergraduates in the field of electronic technology. The main contents of the course include semiconductor basic knowledge, amplifier circuit foundation, multi-stage amplifier circuit, integrated operational amplifier circuit, frequency response of amplifier circuit, feedback of amplifier circuit, signal operation and processing, waveform generation and signal conversion, power amplifier circuit. , DC stabilized power supply and analog electronic circuit read map. Through the analysis and design of common electronic devices, analog circuits and their systems, this course enables students to acquire basic knowledge, basic theories and basic skills in analog electronic technology, and to lay the groundwork for electronic technology and its application in professional fields. basis.