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If test points are causing probe shorts due to proximity, what is the most effective design adjustment?

medium📝 Formula Fix Q6 of 15
PCB Design - Design Review and Testing
If test points are causing probe shorts due to proximity, what is the most effective design adjustment?
AAdd more test points in the same area to distribute probes
BIncrease spacing between test points to meet minimum clearance standards
CRemove solder mask from the entire PCB surface
DUse smaller probes without changing test point placement
Step-by-Step Solution
Solution:

  1. Step 1: Identify cause of shorts

    Test points too close together cause probe tips to short adjacent points.

  2. Step 2: Apply design fix

    Increasing spacing ensures probes can contact points without bridging.

  3. Final Answer:

    Increase spacing between test points to meet minimum clearance standards -> Option B

  4. Quick Check:

    Proper spacing prevents shorts [OK]
Quick Trick: Maintain minimum spacing between test points [OK]
Common Mistakes:
MISTAKES
  • Adding more test points in crowded areas
  • Removing solder mask indiscriminately
  • Relying solely on smaller probes

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