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Application
Application Circuit
GPS_ANTENNA
50 Ohm Micro strip line
L5
CHOKE RF
C11
CAP NP
GPS Active Antenna Specifications (Recommendation)
Frequency:
Axial Ratio:
Output Impedance: 50Ω
Polarization:
2012/7/30
50ohm LINE
C12
CAP NP
GPS_3V3
VBAT
C7
C10
10UF
10UF
1575.42 + 2MHz
3 dB Typical
RHCP
GPS_3V3
1
RF IN
2
GND
3
M1
GND
EB-5631RE
4
GND
5
VBAT
6
GND
7
NC
8
GND
9
GND
10
GND
11
VCC
Amplifier Gain:
Output VSWR:
Noise Figure:
Antenna Input Voltage:
- 7 -
1V8
1V8
R7
R8
R9
10K
2K2/NC
2K2/NC
29
GND
28
GND
27
WAKE_UP
26
GND
25
ON_OFF
24
GND
23
GND
22
GND
21
GND
20
TIMEMAEK
19
GND
18~22dB Typical
2.0 Max.
2.0 dB Max
3.3V (Typ.)
I2C_SCL
I2C_SDA
RXD
TXD
WAKE_UP
ON_OFF
R2
10K/NC
1PPS OUTPUT
GPIO
RESET
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