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Given three parallel bus traces with lengths 50mm, 60mm, and 55mm, which trace should be adjusted to match the others?

medium📝 Formula Result Q13 of 15
PCB Design - Advanced Routing Techniques

Given three parallel bus traces with lengths 50mm, 60mm, and 55mm, which trace should be adjusted to match the others?

ADecrease the 55mm trace length to 50mm
BDecrease the 60mm trace length to 50mm
CDecrease the 60mm trace length to 55mm
DIncrease the 50mm trace length to 60mm
Step-by-Step Solution
Solution:
  1. Step 1: Identify the longest trace length

    The longest trace is 60mm.
  2. Step 2: Adjust shorter traces to match longest

    The shortest trace (50mm) should be lengthened to 60mm.
  3. Final Answer:

    Increase the 50mm trace length to 60mm -> Option D
  4. Quick Check:

    Match shorter to longest length [OK]
Quick Trick: Match all traces to the longest length [OK]
Common Mistakes:
MISTAKES
  • Shortening longer traces instead of lengthening shorter
  • Ignoring the 55mm trace
  • Trying to shorten all traces to shortest length

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