Benutzerhandbuch für Navman jupiter la000605d

Inhaltsverzeichnis

• 1.0 Introduction

  1
• 2.0 Hardware application information

  1
• 2.1 Electrical connections (SMT pad interface)

  2
• 2.2 Typical application circuit

  3
• 2.2.1 Power for receiver and active antenna

  3
• 2.2.2 Grounding

  3
• 2.2.3 Decoupling

  5
• 2.2.4 Serial RS232 data level shifter

  5
• 2.3 PCB design recommendations

  5
• 2.3.1 Choice of PCB stack up

  5
• 2.3.2 Ground plane design

  5
• 2.3.3 Decoupling components

  6
• 2.3.4 Antenna connection

  6
• 2.3.5 Design of 50 ohm microstrip antenna connection

  7
• 2.4 Antenna system design choices

  8
• 2.4.1 Antenna types

  8
• 2.4.2 Active antenna

  9
• 2.4.3 Passive antenna

  9
• 2.4.4 Jupiter module used as a GPS sensor

  10
• 2.4.5 DC supply protection for an active antenna

  10
• 2.5 Jupiter adapter printed circuit board

  11
• 3.0 Packaging and delivery

  13
• 4.0 Manufacturing process recommendations

  15
• 4.1 Solder methods

  15
• 4.1.1 Solder paste type

  15
• 4.1.2 Solder paste mask size

  15
• 4.1.3 Solder paste stencils

  15
• 4.1.4 Reflow profile recommendations

  15
• 4.1.5 Coating

  16
• 4.1.6 Post reflow washing

  16
• 4.1.7 Pre-baking

  16
• 4.1.8 Rework

  16
• 4.1.9 Site Redress and Cleaning

  17
• 4.1.10 Application of Solder Paste

  17
• 4.1.11 Placement and Attachment of the New Component

  17
• 5.0 Software application information

  17
• 5.1 Normal mode operation

  17
• 5.2 Power management

  17
• 5.2.1 Adaptive TricklePower mode

  17
• 5.2.2 Push-to-Fix mode

  18
• 5.3 Serial I/O

  18
• 5.3.1 Default settings

  18
• 5.3.2 NMEA input commands

  18
• 5.4 Navman proprietary NMEA low power mode messages

  19
• 5.4.1 Low power configuration

  19
• 5.4.2 Low power acquisition configuration

  19
• 5.5 Save and Retrieve Configuration Data to Flash

  20
• 5.5.1 Writing to Flash

  20
• 5.5.2 Retrieving from Flash

  20
• 5.5.3 Reverting to default settings

  20
• 5.6 Selectable User Profiles .

  21
• 5.7 GPS fix output

  21
• 5.8 Custom application software

  21
• 6.0 Glossary and acronyms

  22
• Figure 2-1: Jupiter 32 mechanical layout

  3
• Figure 2-2: Basic Jupiter 32 application circuit

  4
• Figure 2-3: Example PCB layout for external active antenna

  4
• Figure 2-4: Decoupling Capacitor Placement

  5
• Figure 2-5: Arrangement of active antenna and application board

  6
• Figure 2-6: Cross section of application board with passive patch antenna

  7
• Figure 2-7: PCB microstrip dimensions

  7
• Figure 2-8: Simple current limiter circuit

  11
• Figure 2-9: External Active Antenna Control and Current Limit circuit

  11
• Figure 2-10: Jupiter 32 adapter board

  12
• Figure 3-1: Moisture Barrier Bag Label

  13
• Figure 3-2: Reel dimensions

  13
• Figure 3-3: Jupiter 32 Packaging

  14
• Figure 4-1: Sample Lead and Lead free reflow profile

  16
• Table 2-1: Jupiter 32 Module pad functions

  2
• Table 2-2: Decoupling recommendations

  6
• Table 2-3: PCB substrate thicknesses v track width

  7
• Table 2-4: Passive and active Patch antenna features

  9
• Table 2-5: Recommended antenna characteristics

  10
• Table 2-6: Connector configuration

  12
• Table 5-1: Low power modes message values

  19
• Table 5-2: Low power acquisition input values

  19
• Table 5-3: Actions based on signal state

  20