Tagged Questions
48
votes
6answers
7k views
Should chassis ground be attached to digital ground?
I'm working on a PCB that has shielded RJ45 (ethernet), RS232, and USB connectors, and is powered by a 12V AC/DC brick power adapter (I do the 5V and 3.3V step down on board). The entire design is ...
3
votes
2answers
286 views
Chassis + Ground Safety
Why is it safer for ground to be connected to the chassis for an electronic system?
For example, the ground on the mains supply of an AC motor in a box fan is connected to the outer chassis of the ...
