Reference Circuit Design For Passive Gnss Antenna - Quectel SC206E Series Hardware Design

Table 40: GNSS Frequency
Type
GPS L1
GPS L5
GLONASS L1
BDS B1I
Galileo E1
Galileo E5a
QZSS L1
QZSS L5
SBAS L1
SBAS L5
NavlC L5

6.3.1. Reference Circuit Design for Passive GNSS Antenna

GNSS antenna interface supports passive ceramic antennas and other types of passive antennas. A
reference circuit design is given below.
ANT_GNSS
Module
Figure 31: Reference Circuit Design for Passive GNSS Antenna
NOTE
It is not recommended to add an external LNA when using a passive GNSS antenna.
SC206E_Series_Hardware_Design
Frequency
1575.42 ± 1.023
1176.45 ± 10.23
1597.5–1605.8
1561.098 ± 2.046
1575.42 ± 2.046
1176.45 ± 10.23
1575.42 ± 1.023
1176.45 ± 10.23
1575.42 ± 1.023
1176.45 ± 10.23
1176.45 ± 10.23
R1
0 Ω
C3
NM
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Passive
Antenna
C1
C2
NM
Smart Module Series
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