4 days ago 4-Layer Board Design Printed circuit boards (PCBs) have become a fundamental staple at the heart of most electronic systems. In this new series, Robert examines the important aspects that are critical to good PCB design. Here in Part 1, he shares the step-by-step method he uses to design four-layer PCBs. Topics Covered What is a PCB and what is is made of? What’s special about a 4-layer PCB? What are the 12 steps for designing a PCB? How to define your technology rules? How to optimize schematic for routing? How to handle tricky via issues How to do good verification