User's Manual

盟訊實業股份有限公司
Unication CO., LTD.
機密等級：□極機密 ■機密 □普通
第 13 页 共 25 页
Figure4 – RF antenna Pad
3.3 Design rule for EMC
 Please connect GND pins directly to motherboard GND, don’t through via or line;
 Connect line between module power pins and battery connector on motherboard should be short and wide;
 Add a 22uF and a 22pF capacitor close to battery connector;
 Add a 1uF、a 100nF and a 22pF capacitor on charger connector.
3.4 Design rule for ESD
 Add a zener Diode (ON SEMICON:NZL5V6ATT1G) at VBATT input port on motherboard;
 Add a 1uF/16V capacitor at VCHG input port on motherboard;

Add TVS components on all audio channels.