i-Lotus RX Oncore, Руководство пользователя

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Document Number: 403
– GPS – 070
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2 Performance Specifications
PARAMETERS SPECIFICATIONS
General Characteristics
Receiver Architecture 16 Channels
L1 1575.42 MHz
C/A Code (1.023 MHz chip rate)
Code plus carrier tracking (carrier aided tracking)
Signal Tracked L1, C/A Code, AGPS, SBAS (WAAS, EGNOS, MSAS)
Tracking Capability 16 simultaneous satellite vehicles
Dimensions
Length 17.0 mm
Width 22.4 mm
Height 3.5 mm (with shield)
Shielded Yes
Performance Characteristics
Acquisition Time (TTFF)
Autonomous Mode
Cold Start < 32.0 s
Warm Start < 21.0 s
Hot Start < 1.5 s
Accuracy
Autonomous Mode
Horizontal Position Error at 50% probable < 2.5 m, 1-sigma
< 2.0 m, SBAS
Altitude -1,500 m to 18,000 m
Velocity 515 m/sec
Sensitivity
Acquisition -146 dBm
Tracking
-159 dBm
Max Update Rate 4 Hz
1PPS Timing Not Supported
Electrical Characteristics
Main Power Supply (Vcc)
Voltage Range 3.0 to 3.6 VDC : (Nominal 3.3 VDC)
Power Consumption
Acquisition Mode 75 mA @3.3V
Standby Mode 55 uA @3.3V
Digital I/O Interface (V
IO
=3.3V)
Input High Voltage (V
IH
) 0.7*V
CC
to V
CC
+0.3V
Input Low Voltage (V
IL
) -0.3 to 0.3*V
CC
Input Hysteresis CMOS Schmitt Trigger Min. 400mV
Output High Voltage @ 4mA (V
OH
) Min. V
CC
-0.8V
Output Low Voltage @ 4mA (V
OL
) Max. 0.4V