PCB Design - Advanced Routing TechniquesWhich of the following is a recommended practice when routing guard traces for sensitive signals?AConnect guard traces to the nearest power supply lineBConnect guard traces to a clean ground referenceCKeep guard traces floating without connectionDRoute guard traces parallel and far from the sensitive signalCheck Answer
Step-by-Step SolutionSolution:Step 1: Identify proper guard trace connectionGuard traces should be connected to a clean ground to provide effective shielding.Step 2: Evaluate other optionsConnecting to power or leaving floating reduces effectiveness; routing far away defeats purpose.Final Answer:Connect guard traces to a clean ground reference -> Option BQuick Check:Guard traces connect to ground = C [OK]Quick Trick: Always connect guard traces to ground for best shielding [OK]Common Mistakes:MISTAKESConnecting guard traces to power linesLeaving guard traces unconnectedRouting guard traces far from signals
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