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Which of the following is the correct way to describe a 4-layer PCB stackup?

easy🧠 Conceptual Q3 of 15
PCB Design - Multi-Layer PCB Design
Which of the following is the correct way to describe a 4-layer PCB stackup?
APower Plane, Ground Plane, Top Signal, Bottom Signal
BTop Signal, Power Plane, Ground Plane, Bottom Signal
CGround Plane, Top Signal, Bottom Signal, Power Plane
DTop Signal, Ground Plane, Power Plane, Bottom Signal
Step-by-Step Solution
Solution:
  1. Step 1: Recall standard 4-layer stackup order

    The common order is signal layer on top, ground plane below it, power plane next, and signal layer at bottom.
  2. Step 2: Match options to standard stackup

    Top Signal, Ground Plane, Power Plane, Bottom Signal matches this order exactly.
  3. Final Answer:

    Top Signal, Ground Plane, Power Plane, Bottom Signal -> Option D
  4. Quick Check:

    Standard stackup = D [OK]
Quick Trick: Ground plane is usually just below top signal layer [OK]
Common Mistakes:
MISTAKES
  • Mixing power and ground plane order
  • Placing signal layers in the middle
  • Confusing bottom and top layers

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