Manuali utente per Navman la000508

Sommario

• 1.0 Introduction

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• 2.0 Technical description

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  • 2.1 Product applications

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  • 2.2 Receiver architecture

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  • 2.3 Major components of the Jupiter 20

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  • 2.4 Physical characteristics

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  • 2.5 Mechanical specification

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  • 2.6 External antenna surface mount pads

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  • 2.7 I/O and power connections

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  • 2.8 Environmental

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  • 2.9 Compliances

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  • 2.10 Marking/Serialisation

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• 3.0 Performance characteristics

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  • 3.1 TTFF (Time To First Fix)

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    • 3.1.1 Hot start

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    • 3.1.2 Warm start

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    • 3.1.3 Cold start

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  • 3.2 Acquisition times

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  • 3.3 Timing 1PPS output

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  • 3.4 Battery backup (SRAM/RTC backup)

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  • 3.5 TricklePower mode

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    • 3.5.1 Adaptive TricklePower mode

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    • 3.5.2 Push‑To‑Fix mode

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  • 3.6 Differential aiding

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    • 3.6.1 Differential GPS (DGPS)

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    • 3.6.2 Satellite Based Augmentation Systems (SBAS) including WAAS and EGNOS

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  • 3.7 Navigation modes

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  • 3.8 Core processor performance

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  • 3.9 Sensitivity

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  • 3.10 Dynamic constraints

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  • 3.11 Position and velocity accuracy

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• 4.0 Electrical requirements

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  • 4.1 Power supply

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    • 4.1.1 Primary power

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    • 4.1.2 Low supply voltage detector

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    • 4.1.3 VCC_RF power supply

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    • 4.1.4 External antenna voltage

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    • 4.1.5 RF (Radio Frequency) input

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    • 4.1.6 Antenna gain

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    • 4.1.7 Burnout protection

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    • 4.1.8 Jamming performance

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    • 4.1.9 Flash upgradability

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    • 4.1.10 Reset input

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  • 4.2 Data input output specifications

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    • 4.2.1 Voltage levels

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    • 4.2.2 I/O surface mount pads

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• 5.0 Software interface

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  • 5.1 NMEA output messages

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  • 5.2 SiRF binary

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  • 5.3 Software functions and capabilities

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• 6.0 Dead Reckoning input specifications

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  • 6.1 Gyro input specification

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  • 6.2 Wheel tick rate

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  • 6.3 Fwd/Rev input sense

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• 7.0 Jupiter 20 development kit

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• 8.0 Jupiter 20 mechanical drawing

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• 9.0 Product handling

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  • 9.1 Packaging and delivery

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  • 9.2 Moisture sensitivity

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  • 9.3 ESD sensitivity

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  • 9.4 Safety

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  • 9.5 RoHS compliance

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  • 9.6 Disposal

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• 10.0 Ordering information

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• 11.0 Glossary and acronyms

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• Figure 2-1: Jupiter 20 module architecture

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• Figure 8-1: Jupiter 20 mechanical layout

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• Table 3‑1: TTFF acquisition times

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• Table 3‑2: Software processing performance

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• Table 3‑3: GPS receiver performance

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• Table 3‑4: Position and velocity accuracy

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• Table 4‑1: Operating power for the Jupiter 20

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• Table 4‑2: Typical jamming performance

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• Table 4‑3: Interface voltage levels

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• Table 4‑4: J20D receiver pad functions

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• Table 4‑5: J20/J20S receiver pad functions

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• Table 5‑1: Jupiter 20 default baud rates

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• Table 5‑2: Default NMEA messages

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• Table 5‑3: Jupiter 20 software capability

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• Table 6‑1: Gyro input specifications

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• Table 10‑1: Jupiter 20 ordering information

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