Navman 30 - Manual

Table of Contents:

• Page 4 – antenna system design overview. This covers the following topics:; Software application information; considerations and criteria described in this document.; Hardware application information
• Page 5 – Table 2-1: Jupiter 30 and Jupiter 20 Module pin functions
• Page 6 – GPIO; Physical dimensions; This is suitable for a lead free manufacturing process.
• Page 7 – Typical application circuit; Power for receiver and active antenna; supply is under the command of the TricklePower energy control.
• Page 8 – values of decoupling relative to the function desired.; Function
• Page 9 – Figure 2-3: Recommended application layout dimensions; level shifters are available, such as MAX3232.; PCB design recommendations; design that will meet the requirements of this product.
• Page 10 – on the opposite side of the board to the module.; Antenna connection; connected via an MCX or SMA coaxial connector.
• Page 11 – Design of 50 ohm microstrip antenna connection; the short track lengths associated with this design.; Table 2-4: PCB substrate thicknesses v track width; • be as short as possible
• Page 12 – NOT; Antenna system design choices; Feature; Table 2-5: Passive and active antenna features; Figure 2-7: Arrangement of active antenna and application board
• Page 13 – for use with the Jupiter receiver.; Characteristic; Polarisation; Table 2-6: Recommended antenna characteristics; board to that of the antenna.
• Page 14 – Figure 2-10: Active current limit using an IC; from Bourns, Vitromon and other manufacturers.; antenna power feed components.; Figure 2-9: Simple current limiter circuit
• Page 15 – Antenna short/open sense inputs and control output; Antenna sense; Table 2-7: Antenna sense and control functions; When a short circuit occurs, this line will go low.
• Page 16 – Jupiter adapter printed circuit board; Figure 2-12: Adapter printed circuit board
• Page 17 – Refer to Table 2-8 for a description of the connector interfaces.; Jupiter; Software application information; Normal mode operation
• Page 18 – Acknowledgements; sentence of the form:; Checksums
• Page 19 – Standard SiRF output:; Magnetic Heading field in $GPVTG; The standard SiRF output:
• Page 20 – Navman proprietary NMEA low power mode messages; The following message sets the receiver to low power mode:; TricklePower duty cycle (parts per; Table 3-1: Low power modes message values; Field; Table 3-2: Low power acquisition input values; Control of GPIO connections via serial commands (Jupiter 20)
• Page 21 – Table 3-3: Pin configuration of the GPIO lines; In each of the messages described in the following sections,
• Page 22 – Antenna power monitor messages; represents any of the following numbers:; Description; antenna open circuit; Table 3-4: Antenna status output message values; Custom application software
• Page 23 – Glossary and acronyms; Electromagnetic Interference