MEIG SLM156 - Page 45

MeiG_SLM156_Hardware Design Manual
MeiG Smart Technology Co., Ltd
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Figure 19 Reference Circuit
GNSS antenna reference design is shown as below:
Figure 20 GNSS Antenna Reference Circuit
Note:
1. You can choose external LDO power supply according to active antenna;
2. You can choose passive antenna design so you do not need to design VDD circuit.