1.4 RSA-1500L Technique Specification
Table 1-1 Technical Specifications
Impedance：50Ω
No | Function |
| Specification |
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|
|
|
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 | ||
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|
|
|
6 | Cold start | 35 sec | @ open sky |
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|
|
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7 | Warm start | 35 sec | @ open sky |
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|
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8 | Hot start | 1 sec | @ open sky |
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|
| |
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 | |
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|
| |
14 | Update rate | Continuous operation: 1Hz | |
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|
| |
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 | |
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|
Interface |
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| |
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|
| |
18 | LNA | 25dB Gain. (Typical) | |
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|
|
19 | I/O Pin | 6pin |
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|
|
Mechanical requirements |
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| |
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|
| |
20 | Weight | 8.3g Typ. | |
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Power consumption |
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| |
|
|
| |
21 | Vcc | DC +3.3 V±5% | |
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|
|
|
22 | Current | GPS : |
|
|
| Avg Acquisition <50mA@3.3V without ext.Antenna | |
|
| Avg Tracking <48mA@3.3V without ext.Antenna | |
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|
Environment |
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| |
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| 6 |
