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The (Printed circuit board)PCB Schematic Design

Printed circuit board design process including schematic diagram design, electronic components database login, design preparation, block subdivision, electronic components configuration, configuration recognition, layout and final inspection. In those process, No matter which process found problems, must be returned to the process, to confirm or correct.
The design of the circuit schematic is the base of the whole circuit design, the design quality directly decides the effect of the PCB design. In general, the design of the circuit schematic diagram is as follows.

The detail design steps:
1. start ProtelDXP principle diagram editor
2. set the size of the circuit principle diagram and layout
3. from the component library required components placed on the working plane
4. according to the design needs to connect components
5. to adjust after layout
6. save the finished circuit schematic documentation
7. print the drawings