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RSA-1500L User Manual
1.4 RSA-1500L Technique Specification
Table 1-1 Technical Specifications
Impedance：
：：
：50Ω
ΩΩ
Ω
No Function Specification
GPS receiver
1 Chipset SiRF Star III, GSC3f/LP
(Digital, RF in a single package)
2 Frequency L1 1575.42MHz.
3 Code C.A. Code.
4 Channels 20 parallel
5 Chipset Sensitivity -159dBm.
6 Cold start 35 sec @ open sky
7 Warm start 35 sec @ open sky
8 Hot start 1 sec @ open sky
9 Reacquisition 0.1sec typical
10 Position accuracy 10meters at 2D RMS.
11 Maximum altitude 18000 m
12 Maximum velocity 514 m/s
13 Trickle power mode 40mA@Average
14 Update rate Continuous operation: 1Hz
15 Testability It shall be able to be tested by SiRF test IV and single channel
simulator.
16 Protocol setup It shall store the protocol setup in the SRAM memory.
17 DGPS 1.WAAS, EGNOS
Interface
18 LNA 25dB Gain. (Typical)
19 I/O Pin 6pin
Mechanical requirements
20 Weight 8.3g Typ.
Power consumption
21 Vcc DC +3.3 V±5%
22 Current
GPS :
Avg Acquisition <50mA@3.3V without ext.Antenna
Avg Tracking <48mA@3.3V without ext.Antenna