Electronic Circuit:
Digital Electronics
Analog Electronics
Microelectronics
Integrated circuit
Optoelectronics
Embedded system 
Analog Circuit and Signal Processing
Bioengineering Circuits and Systems
Biomedical Circuits and Systems 
Circuit and System Design
Communication Circuits and Systems
Circuit simulation and modeling
Semiconductor devices and circuits
Digital Circuits and Signal Processing
Equipment simulation and modeling
Digital Communication
Electronic design automation
Integrated Circuit and System Design
Low power consumption and acquisition technology
Low power consumption, RF equipment and circuits
Linear and Nonlinear Circuits and Systems
Multimedia Systems and Signal Processing
Neural Network Circuits and Systems
Nanoelectronic Circuit
Photon and optoelectronic circuits
Electricity and Energy Circuits and Systems
Power Electronics and Its Applications
Microelectronics:
Electronic Science and Technology
Microelectronics Science and Engineering
Analog electronic circuits
Digital circuit 
High frequency electronic circuit
Signal and System
Principles of Communication
Electromagnetics
Electromagnetic Fields and Waves
Solid state physics and semiconductor physics
Microelectronics
Optoelectronics
Integrated Circuit Design
Fiber optic communication
Thermodynamics and Statistical Physics
Materials Science, etc