USGlobalsat EM-506 User Manual
Page 4
EM-506
High Performance GPS Module
- 4 -
DC Electrical characteristics
Parameter
Symbol
Min.
Typ.
Max.
Conditions
Units
TX Low Level Output Voltage
V
OL
0.4
V
TX High Level Output Voltage
V
OH
3.3
V
RX Low Level Input Voltage
V
I L
-0.4
0.45
V
RX High Level Input Voltage
V
I H
1.26
3.6
V
I/O Low Level Output Voltage
V
OL
0.4
Without LED
V
I/O Low Level Output Voltage
V
OL
0.8
With LED
V
I/O High Level Output Voltage
V
OH
3.3
V
I/O Low Level Input Voltage
V
I L
-0.4
0.45
V
I/O High Level Input Voltage
V
I 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