User Manual

EM-506
High Performance GPS Module
- 4 -
DC Electrical characteristics
Parameter Symbol Min. Typ. Max. Conditions Units
TX
Low Level Output Voltage VOL 0.4 V
TX
High Level Output Voltage VOH 3.3 V
RX
Low Level Input Voltage VI L -0.4 0.45 V
RX
High Level Input Voltage VI H 1.26 3.6 V
I/O
Low Level Output Voltage VOL 0.4 Without LED V
I/O
Low Level Output Voltage VOL 0.8 With LED V
I/O
High Level Output Voltage VOH 3.3 V
I/O
Low Level Input Voltage VI L -0.4 0.45 V
I/O
High Level Input Voltage VI H 1.26 3.6 V
Receiver Performance
Sensitivity
Tracking :
Autonomous acquisition :
-163dBm
-160 dBm
< 35s
Cold Start – Autonomous
<15s (with CGEE)
< 35s
Warm Start – Autonomous
2
< 15s(with CGEE)
Time-To-First-Fix
1
Hot Start – Autonomous
3
< 1s
Horizontal Position Accuracy
4
Autonomous < 2.5m
Velocity Accuracy
5
Speed
Heading
< 0.01 m/s
< 0.01 degrees
Reacquisition 0.1 second, average
Update Rate 1 Sec / 5 Sec
Maximum Altitude < 18,000 meter
Maximum Velocity < 515 meter/ second
Maximum Acceleration < 4G
<Note>
1. 50% -130dBm Fu 0.5ppm Tu ±2s Pu 30Km
2. Commanded Warm START
3. Commanded Hot START
4. 50% 24hr static, -130dBm
5. 50% @ 30m/s