PCB trace as a wave guide

This video looks at how return current flows relative to the signal trace. The video describes the problem with ground plane discontinuities and also describes the best way to use vias to transition layers and minimize EMI.  Download the Analog Engineer's Pocket Reference e-book. https://www.ti.com/amplifier-circuit/... See all videos in the TI Precision Labs - ADCs training series https://www.ti.com/tipladc Download and install the Analog Engineer's Calculator. https://www.ti.com/tool/analog-engine... Download and install TINA-TI, the preferred simulator used exclusively with TI Precision Labs. https://www.ti.com/tool/tina-ti