PCB Design - Design Review and TestingWhy is it important to consider probe tip size and shape when placing test points on a PCB?ABecause probe size affects the PCB's thermal resistanceBBecause probe size affects minimum spacing to avoid shorts and ensure reliable contactCBecause probe shape changes the electrical properties of the PCBDBecause probe size determines the color of the test pointCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand probe physical constraintsProbe tips have physical size and shape that require minimum spacing between test points.Step 2: Evaluate impact on PCB designProper spacing avoids shorts and ensures good electrical contact; color or thermal effects are unrelated.Final Answer:Because probe size affects minimum spacing to avoid shorts and ensure reliable contact -> Option BQuick Check:Probe size importance = Spacing and contact reliability [OK]Quick Trick: Match test point spacing to probe tip dimensions [OK]Common Mistakes:MISTAKESLinking probe size to color or thermal effectsIgnoring physical probe constraintsAssuming probe shape changes PCB electrical properties
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