Manual De UsuarioTabla de contenidos1.0 Introduction42.0 Hardware application information42.1 Electrical connections (SMT pad interface)42.2 Physical dimensions62.3 Manufacturing process recommendations62.3.1 Reflow recommendations62.3.2 Connection pad material62.3.3 Solder paste mask size72.3.4 Solder paste type72.3.5 Coating72.3.6 Post reflow washing72.3.7 Pre-baking72.3.8 Rework72.4 Typical application circuit72.4.1 Power for receiver and active antenna72.4.2 Grounding72.4.3 Decoupling82.4.4 Serial RS232 data level shifter92.4.5 External RF filter92.5 PCB design recommendations92.5.1 Recommended PCB pad layout92.5.2 General recommendations92.6 Antenna system design choices122.6.1 Antenna types122.6.2 Active antenna122.6.3 Passive antenna132.6.4 Jupiter module used as a GPS sensor132.6.5 DC supply protection for an active antenna142.7 Jupiter adapter printed circuit board163.0 Software application information173.1 Normal mode operation173.2 Power management173.2.1 Adaptive TricklePower mode183.2.2 Push-to-Fix mode183.3 Serial I/O183.3.1 Default settings183.3.2 NMEA input commands183.3.3 Altitude output193.4 Navman proprietary NMEA low power mode messages203.4.1 Low power configuration203.4.2 Low power acquisition configuration203.5 Control of GPIO connections via serial commands (Jupiter 20)203.5.1 Configure port directions213.5.2 Set outputs213.5.3 Clear outputs213.5.4 Read inputs213.6 GPS fix output213.7 Antenna power monitor messages223.8 Custom application software224.0 Glossary and acronyms23Figure 2-1: Lead-free and tin/lead reflow profile recommendation6Figure 2-2: Sample application circuit8Figure 2-3: Recommended application layout dimensions9Figure 2-4: Typical module layout10Figure 2-5: Example PCB layout for external active antenna10Figure 2-6: PCB microstrip dimensions11Figure 2-7: Arrangement of active antenna and application board12Figure 2-8: Cross section of application board with passive patch antenna13Figure 2-9: Simple current limiter circuit14Figure 2-10: Active current limit using an IC14Figure 2-11: Antenna short/open circuit sensor circuit (3.3 V supply only)15Table 2-1: Jupiter 30 and Jupiter 20 Module pin functions5Table 2-2: Summary of pin multi-functionality6Table 2-3: Decoupling recommendations8Table 2-4: PCB substrate thicknesses v track width11Table 2-5: Passive and active antenna features12Table 2-6: Recommended antenna characteristics13Table 2-7: Antenna sense and control functions15Table 2-8: Connector configuration17Table 3-1: Low power modes message values20Table 3-2: Low power acquisition input values20Table 3-3: Pin configuration of the GPIO lines21Table 3-4: Antenna status output message values22Tamaño: 800 KBPáginas: 23Language: EnglishManuales abiertas