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DC Electrical characteristics
Parameter
High Level Input Voltage
Low Level Input Voltage
High Level Output Voltage
Low Level Output Voltage
High Level Output Current
Low Level Output Current
Vgcc is SiRF Star IV Chip power input, 1.8V Vin.
Receiver Performance
Horizontal Position Accuracy
Velocity Accuracy
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
2012/7/30
Symbol
V
I H
V
I L
V
OH
V
OL
I
OH
I
OL
Sensitivity
1
Time-To-First-Fix
4
5
Reacquisition 0.1 second, average
Update Rate 1 Hz
Maximum Altitude < 18,000 meter
Maximum Velocity < 515 meter/ second
Min.
Typ.
0.7*VCC
-0.4
0.75*Vgcc
2
2
Tracking :
Autonomous acquisition :
Cold Start – Autonomous
Warm Start – Autonomous
Hot Start – Autonomous
Autonomous
Speed
Heading
- 5 -
Max.
Conditions
3.6
0.45
Vgcc
0.4
-163dBm
-160 dBm
< 35s
<15s (with CGEE)
< 35s
2
< 15s(with CGEE)
3
< 1s
< 2.5m
< 0.01 m/s
< 0.01 degrees
Units
V
V
V
V
mA
mA
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