Proper PCB Designing techniques are an integral part of the production of every electronic gadget, which is used either for domestic use or for industrial purposes. Apart from electrically connecting, it also gives mechanical support to the installed electrical components.
Usually, we Engineers, tend to pay most attention to circuit components, and code, but sometimes a critical component of electronics, the PCB layout, remains in neglect. Poor PCB design can cause function and reliability problems.
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PCB Designing Techniques & Best Practices
(1) Manual Routing Over Auto-Routing
Use manual routing as much as possible. CADs are not more intelligent than the human mind. Unless it is very difficult, like multi-layer PCB with dozens of ICs, use hand-routing. It will be a much cleaner and neat design at the end.
2) Use 45° Trace Angles
Designing with angles greater than 90 degrees can enable acid traps which can be harmful to the circuit board. Utilizing 45-degree angles are better practice as they have a smaller impact on the width of the trace. Narrow angles can cause electromagnetic radiation and copper migration over time and should be avoided.