Circuit diagram Artwork ceramic printed circuit board

- May 12, 2017-

Circuit diagram Artwork ceramic printed circuit board


A rat's nest

Once the schematic has been made, it is converted into a layout that can be fabricated onto a printed circuit board (PCB). Schematic-driven layout starts with the process of schematic capture. The result is what is known as a rat's nest. The rat's nest is a jumble of wires (lines) criss-crossing each other to their destination nodes. These wires are routed either manually or automatically by the use of electronics design automation (EDA) tools. The EDA tools arrange and rearrange the placement of components and find paths for tracks to connect various nodes. This results in the final layout artwork for the integrated circuit or printed circuit board.

A generalized design flow may be as follows:

  • Schematic → schematic capture → netlist → rat's nest → routing → artwork → PCB development and etching → component mounting → testing

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