PCB Design - Advanced Routing Techniques
Which PCB parameter is most directly adjusted to control impedance of a trace?
Which PCB parameter is most directly adjusted to control impedance of a trace?
easy🧠 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify factors affecting impedance
Trace width and dielectric thickness mainly affect impedance; copper thickness has minor effect.Step 2: Select the parameter commonly adjusted
Trace width is the primary adjustable parameter to control impedance during PCB layout.Final Answer:
Trace width -> Option CQuick Check:
Impedance control = Adjust trace width [OK]
Quick Trick: Change trace width to control impedance easily [OK]
Common Mistakes:
MISTAKES- Choosing copper thickness as main control
- Thinking solder mask affects impedance
- Confusing via size with impedance control
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