PCB Signal Analysis and Crosstalk Prevention: Understanding Field Behavior and Design Optimization

Learn essential PCB design principles through an in-depth video featuring Yuriy Shlepnev's expertise on signal behavior in printed circuit boards. Explore detailed comparisons between thick and thin 2-layer PCBs, analyze crosstalk effects, and understand field distributions in various PCB configurations. Master advanced concepts through animated demonstrations of signal propagation, track spacing impacts, and via placement strategies. Gain practical insights into using Simbeor simulation software for analyzing real board designs, with comprehensive coverage of electromagnetic fields, current flows, and crosstalk mitigation techniques. Follow along through systematic explanations of PCB layer interactions, symmetrical vs. asymmetrical designs, and effective methods for reducing signal interference using ground planes and strategic via placement.

Syllabus

00:00 What is this video about
00:32 Fields for THICK 2 Layer PCB 1mm / 40mil
04:47 Fields for THIN 2 Layer PCB 0.1mm / 4mil
08:44 Fields size compared 1mm vs 0.1mm
09:11 Crosstalk, fields, currents for 2 Layer PCB two tracks
16:56 Currents in track
21:24 Comparing crosstalk in numbers 2 layer PCB
27:43 Crosstalk for 5W gap between tracks
35:45 About Simbeor simulation software
40:57 Fields inside of PCB for one track
45:00 Fields size compared symmetrical vs. not symmetrical
45:52 Crosstalk, fields, currents inside of PCB for two tracks
49:25 Comparing crosstalk in numbers inside PCB
56:29 Comparing 2 layer vs inside PCB crosstalk for 5W
1:00:44 Animation of signal travelling through track
1:04:54 Animation - Moving tracks further from each other
1:07:14 Signals running through both tracks
1:10:14 Adding GND track with 2 vias between tracks
1:12:12 Adding many vias only
1:13:37 Adding many vias and track
1:17:12 Importing a real board to Simbeor and analyzing crosstalk