Инструкции для Navman 20

Содержание

• 1.0 Introduction

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• 2.0 Hardware application information

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  • 2.1 Electrical connections (SMT pad interface)

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  • 2.2 Physical dimensions

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  • 2.3 Manufacturing process recommendations

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    • 2.3.1 Reflow recommendations

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    • 2.3.2 Connection pad material

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    • 2.3.3 Solder paste mask size

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    • 2.3.4 Solder paste type

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    • 2.3.5 Coating

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    • 2.3.6 Post reflow washing

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    • 2.3.7 Pre-baking

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    • 2.3.8 Rework

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  • 2.4 Typical application circuit

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    • 2.4.1 Power for receiver and active antenna

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    • 2.4.2 Grounding

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    • 2.4.3 Decoupling

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    • 2.4.4 Serial RS232 data level shifter

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    • 2.4.5 External RF filter

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  • 2.5 PCB design recommendations

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    • 2.5.1 Recommended PCB pad layout

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    • 2.5.2 General recommendations

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  • 2.6 Antenna system design choices

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    • 2.6.1 Antenna types

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    • 2.6.2 Active antenna

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    • 2.6.3 Passive antenna

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    • 2.6.4 Jupiter module used as a GPS sensor

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    • 2.6.5 DC supply protection for an active antenna

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  • 2.7 Jupiter adapter printed circuit board

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• 3.0 Software application information

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  • 3.1 Normal mode operation

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  • 3.2 Power management

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    • 3.2.1 Adaptive TricklePower mode

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    • 3.2.2 Push-to-Fix mode

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  • 3.3 Serial I/O

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    • 3.3.1 Default settings

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    • 3.3.2 NMEA input commands

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    • 3.3.3 Altitude output

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  • 3.4 Navman proprietary NMEA low power mode messages

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    • 3.4.1 Low power configuration

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    • 3.4.2 Low power acquisition configuration

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  • 3.5 Control of GPIO connections via serial commands (Jupiter 20)

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    • 3.5.1 Configure port directions

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    • 3.5.2 Set outputs

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    • 3.5.3 Clear outputs

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    • 3.5.4 Read inputs

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  • 3.6 GPS fix output

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  • 3.7 Antenna power monitor messages

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  • 3.8 Custom application software

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• 4.0 Glossary and acronyms

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• Figure 2-1: Lead-free and tin/lead reflow profile recommendation

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• Figure 2-2: Sample application circuit

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• Figure 2-3: Recommended application layout dimensions

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• Figure 2-4: Typical module layout

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• Figure 2-5: Example PCB layout for external active antenna

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• Figure 2-6: PCB microstrip dimensions

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• Figure 2-7: Arrangement of active antenna and application board

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• Figure 2-8: Cross section of application board with passive patch antenna

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• Figure 2-9: Simple current limiter circuit

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• Figure 2-10: Active current limit using an IC

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• Figure 2-11: Antenna short/open circuit sensor circuit (3.3 V supply only)

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• Table 2-1: Jupiter 30 and Jupiter 20 Module pin functions

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• Table 2-2: Summary of pin multi-functionality

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• Table 2-3: Decoupling recommendations

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• Table 2-4: PCB substrate thicknesses v track width

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• Table 2-5: Passive and active antenna features

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• Table 2-6: Recommended antenna characteristics

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• Table 2-7: Antenna sense and control functions

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• Table 2-8: Connector configuration

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• Table 3-1: Low power modes message values

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• Table 3-2: Low power acquisition input values

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• Table 3-3: Pin configuration of the GPIO lines

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• Table 3-4: Antenna status output message values

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