Maybe you don't need extra power layers in your PCB and using tracks for power distribution may be just ok. An interesting discussion with Eric Bogatin. Thank you Eric.

Links:
- Eric's and The EEcosystem class - Transmission 101 (use FEDEVEL coupon): https://electronicsmasterclass.regfox...
- Signal Integrity Academy (use FEDSI - 3 months free): https://www.bethesignal.com/bogatin/3...

Chapters:
00:00 What is this video about
00:35 Maximum current through a PCB track
03:40 Stackups: SGSS, SGSG, GSSG (S - Signal, G - GND)
10:31 Stackups SGGS vs SGPS (P - Power)
37:10 Real examples - Measured noise
54:55 Real examples - Emissions

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