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AVR040: EMC Design Considerations
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4
Design Rules
4.7
PCB Layout and Grounding
Scope
1
Introduction
2
EMC Phenomena and EMC Testing
3
Dealing with EMC Phenomena
4
Design Rules
4.1
Identify the Noise Sources
4.2
The Path to Ground
4.3
System Zones
4.4
RF Immunity
4.5
ESD and Transients
4.6
Power Supply, Power Routing, and Decoupling Capacitors
4.7
PCB Layout and Grounding
4.7.1
Current Loops and Signal Grounding
4.7.2
Ground Planes
4.7.3
Board Zoning
4.7.4
Single-layer Boards
4.7.5
Two-layer Boards
4.7.6
Multilayer Boards
4.8
Shielding
4.9
AVR-specific Solutions
5
References
6
Useful Links
7
Revision History
Legal Disclaimer
4.7 PCB Layout and Grounding
