User ManualTable of Contents1.0 Introduction42.0 Technical description42.1 Product applications42.2 Receiver architecture42.3 Major components of the Jupiter 2052.4 Physical characteristics52.5 Mechanical specification52.6 External antenna surface mount pads52.7 I/O and power connections52.8 Environmental62.9 Compliances62.10 Marking/Serialisation63.0 Performance characteristics63.1 TTFF (Time To First Fix)63.1.1 Hot start63.1.2 Warm start63.1.3 Cold start63.2 Acquisition times73.3 Timing 1PPS output73.4 Battery backup (SRAM/RTC backup)73.5 TricklePower mode73.5.1 Adaptive TricklePower mode73.5.2 Push‑To‑Fix mode73.6 Differential aiding83.6.1 Differential GPS (DGPS)83.6.2 Satellite Based Augmentation Systems (SBAS) including WAAS and EGNOS83.7 Navigation modes83.8 Core processor performance83.9 Sensitivity83.10 Dynamic constraints93.11 Position and velocity accuracy94.0 Electrical requirements94.1 Power supply94.1.1 Primary power94.1.2 Low supply voltage detector94.1.3 VCC_RF power supply94.1.4 External antenna voltage104.1.5 RF (Radio Frequency) input104.1.6 Antenna gain104.1.7 Burnout protection104.1.8 Jamming performance104.1.9 Flash upgradability104.1.10 Reset input104.2 Data input output specifications114.2.1 Voltage levels114.2.2 I/O surface mount pads115.0 Software interface135.1 NMEA output messages135.2 SiRF binary135.3 Software functions and capabilities136.0 Dead Reckoning input specifications146.1 Gyro input specification146.2 Wheel tick rate146.3 Fwd/Rev input sense147.0 Jupiter 20 development kit158.0 Jupiter 20 mechanical drawing159.0 Product handling169.1 Packaging and delivery169.2 Moisture sensitivity169.3 ESD sensitivity169.4 Safety169.5 RoHS compliance169.6 Disposal1610.0 Ordering information1711.0 Glossary and acronyms17Figure 2-1: Jupiter 20 module architecture4Figure 8-1: Jupiter 20 mechanical layout15Table 3‑1: TTFF acquisition times7Table 3‑2: Software processing performance8Table 3‑3: GPS receiver performance8Table 3‑4: Position and velocity accuracy9Table 4‑1: Operating power for the Jupiter 209Table 4‑2: Typical jamming performance10Table 4‑3: Interface voltage levels11Table 4‑4: J20D receiver pad functions11Table 4‑5: J20/J20S receiver pad functions12Table 5‑1: Jupiter 20 default baud rates13Table 5‑2: Default NMEA messages13Table 5‑3: Jupiter 20 software capability14Table 6‑1: Gyro input specifications14Table 10‑1: Jupiter 20 ordering information17Size: 456 KBPages: 18Language: EnglishOpen manual