Power Circuit; Gps Power; Application Circuit - Globalsat ET-314AC Hardware Data Sheet

ET-314AC
High Performance GPS Engine Board
Application

Application Circuit

POWER Circuit

VIN
1
2
3
C1
22UF/10V
GPS Active Antenna Specifications (Recommendation)
Frequency:
Axial Ratio:
Output Impedance: 50Ω
Polarization:
2010/4/1

GPS POWER

U1
5
VIN VOUT
GND
4
CE NC
XC6209B332MRN 3.3V
1575.42 + 2MHz
3 dB Typical
RHCP
BLM18AG121SN1D
C2 C3
10UF/16V 470PF
Amplifier Gain:
Output VSWR:
Noise Figure:
Antenna Input Voltage:
- 7 -
GPS_3V3
L1
18~22dB Typical
2.0 Max.
2.0 dB Max
2.85V (Typ.)