1. "Protel" is mainly painted PCB, representative of PROTEL99, later developed to Altium Designer, more features.
2. "OrCAD" is the main schematic diagram of the circuit and for the production of PCB and programmable logic design to provide continuous simulation information.
3. "PSPICE" main analysis circuit. First, based on the analysis of the basic circuit characteristics such as DC, AC and transient, the simulation circuit has realized the complex analysis of the circuit characteristics such as Monte Carlo analysis, worst case analysis and optimization design. Second, not only can the analog circuit, but also the digital circuit, A/d hybrid circuit simulation; third, The integration greatly improves, the circuit diagram can be directly simulated after drawing, and can analyze and observe the simulation results at any time.
4. "Protues" is mainly used for the simulation of MCU and its peripheral devices.
5. "EWB" is mainly used for analog circuit and digital circuit hybrid simulation, using it can directly from the screen to see the output waveform of various circuits.
6. "Multisim" Integrated circuit design software.
Common circuit design software