LPWA Module Series
BG96 Hardware Design
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Table 29: GNSS Frequency
A reference design of GNSS antenna interface is shown as below.
GNSS
Antenna
VDD
Module
ANT_GNSS
47nH
10R
0.1uF
0R
NM NM
100pF
Figure 27: Reference Circuit of GNSS Antenna Interface
1. An external LDO can be selected to supply power according to the active antenna requirement.
2. If the module is designed with a passive antenna, then the VDD circuit is not needed.
5.3. Antenna Installation
5.3.1. Antenna Requirements
The following table shows the requirements on main antenna and GNSS antenna.