I have a design ready which I can send it to the fab house for manufacturing. There are a few things not so clear to me. I would like to ask for some answers to command questions
I have a four layer PCB where the second and third layers are for GND and POWER respectively.
The question I have is that I saw some videos online where each ground pad is connected to the GND plane via a free standing via. But there is a possibility to add a front copper pour with GND signal.
Which one out of these two is recommended?
Also how can I make sure that the GND layer is connected to the ground signal?