Isolated Grounds in PCBs With Ethernet

Описание: Some designers may not realize it, but Ethernet is an isolated interface that requires magnetics termination (Bob Smith termination) to impedance match and maintain galvanic isolation at the RJ45 connector.

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0:00 - Intro
0:55 - Viewer Question
3:12 - Ground Regions in the PCB Layout
4:18 - Connecting Grounds with Y-Type Capacitors
5:33 - Ethernet Isolation and Transformer Usage
7:48 - No DC-DC Converter Scenario: Handling Ethernet PGND
9:22 - Example 1: Flyback Converter in Altium Designer
12:01 - Example 2: Isolated ADC Design in Altium Designer
13:59 - PCB Layout for Noise Reduction and Galvanic Isolation
15:24 - Outro

WHO IS ZACH PETERSON?
Zachariah Peterson is a well-known PCB design expert, electronics design consultant, and dynamic speaker. He works with industry-leading ECAD/EDA software companies, electronics manufacturers, and OEMs providing technical consulting, strategy, and deeply technical content on PCB design and electronics manufacturing. He is also a contributor to popular engineering publications in the electronics industry and top-tier research journals.