![background image](http://html.mh-extra.com/html/samsung/sa-n9001/sa-n9001_hardware-manual_1193241054.webp)
© SAMSUNG Electronics Co., Ltd. Confidential & Proprietary
54
/ 79
Hardware Guide
Not recommend
Recommend
-
GND Traces are needed to shield
outline of PCB.
GND shielding and
more GND Vias can prevent the board
from EMC issue.(RE, ESD, noise
protect etc.)
Layer 1
Layer 2
Layer 3
-
Clock line is not shielded with GND.
This can be a noise source and cause RX
sensitivity interference.
-
Signal Vias are not shielded with GND.
These can cause cross talk (RX
sensitivity interference)