A PCB designer routes two high-speed signals very close and parallel without shielding. The signals show unexpected interference. What is the best fix?

medium📝 Formula Fix Q14 of 15

PCB Design - Advanced Routing Techniques

ARoute the signals closer to reduce loop area

BIncrease the signal voltage to overcome interference

CAdd spacing or shielding between the lines

DIgnore it; interference is normal and unavoidable

Step-by-Step Solution

Solution:

Step 1: Identify the cause of interference
Close parallel routing without shielding causes crosstalk.
Step 2: Apply best practice to fix crosstalk
Adding spacing or shielding reduces interference effectively.
Final Answer:
Add spacing or shielding between the lines -> Option C
Quick Check:
Spacing/shielding reduces crosstalk [OK]

Quick Trick: Add space or shield to fix interference [OK]

Common Mistakes:

MISTAKES

Increasing voltage does not fix crosstalk
Routing signals closer worsens interference
Ignoring interference leads to poor design

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More PCB Design Quizzes

A PCB designer routes two high-speed signals very close and parallel without shielding. The signals show unexpected interference. What is the best fix?

Step 1: Identify the cause of interference

Step 2: Apply best practice to fix crosstalk

Final Answer:

Quick Check:

Want More Practice?