It is absolutely a nightmare for every PCB designer that your finished goods are not as perfect as you expected. You may receive the final results for your new circuit boards’ quality testing and life testing, and everything looks good and ready for production. Then you may think your finished PCBs are reliable, but actually you get the opposite of what you want. Your PCBs sometimes are imperfect, and this scenario makes you wonder. Is there anything that can be done to reduce the impact of in-field errors, or is that just the nature of engineering when luck isn’t on your side? The key to solve in-field failures starts at the design process itself, not after. If you could find how your PDN looks during your design process and make necessary changes in the same moment, then you can have your reliable PCBs.
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