Navman 20 - Manuals

Navman 20 – Manual in PDF format online.

Manuals:

Manual

Manual Navman 20

Summary

Page 4 - antenna system design overview. This covers the following topics:; Software application information; considerations and criteria described in this document.; Hardware application information

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 1.0 Introduction The Navman Jupiter 30 and Jupiter 20 series of GPS receiver modules are complete GPS receivers designed for surface mount assembly (SMT) integration...

Page 5 - Table 2-1: Jupiter 30 and Jupiter 20 Module pin functions

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. Pin No. Name Type Description 1 PWRIN P main power input (3.3 V) 2 GND P ground 3 BOOT I serial boot (high for serial boot, low or open circuit for normal operation)...

Page 6 - GPIO; Physical dimensions; This is suitable for a lead free manufacturing process.

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. Pin Jupiter 30 Jupiter 20 GPIO Name and Description GPIO Standard & XTrac name DR function 24 13 reserved 6 GPIO (SDO) not.connected 25 4 reserved 5 GPIO (SDI) A...

Page 7 - Typical application circuit; Power for receiver and active antenna; supply is under the command of the TricklePower energy control.

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 2.3.3 Solder paste mask size This should be adjusted by experimentation according to the customer’s production process requirements. A 1:1 (paste mask:pad size) rati...

Page 8 - values of decoupling relative to the function desired.; Function

Figure 2-2: Sample application circuit Jupiter 30 or Jupiter 20 GPS Module 1617 181920 21 222324252627282930 J1.coaxial.connector. MCX, SMA or MMCX GND 1PPS C4. 27pF C3. 1nF 3 V RTC lithium . backup battery 1nF C7 GND I/P 12 DGND 1514131211 109876543 21 AGND C2. 10nF C1. 1µF POWER C5. 27pF C6. 27pF ...

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.

2.8 1.9 1.5 1.277 25.4 ±0.1 25 .4 ± 0. 1 0.8 2.0 15 10 1 30 21 16 top.view. of pad layout . (all measurements in mm) 1.0 Figure 2-3: Recommended application layout dimensions LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change withou...

Page 10 - on the opposite side of the board to the module.; Antenna connection; connected via an MCX or SMA coaxial connector.

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 10 Ground plane design . We reccomend a complete ground plane is used under the PCB with signal tracks on the same layer as the module. We also recommend having a gr...

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

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 11 Design of 50 ohm microstrip antenna connection . When designing the signal track from the antenna connection to the antenna input on the module, a controlled impe...

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

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 12 • be interfaced to a coaxial connector if an external antenna is used• have maximum clearance to ground on the same layer, or at least be half the substrate thick...

Page 13 - for use with the Jupiter receiver.; Characteristic; Polarisation; Table 2-6: Recommended antenna characteristics; board to that of the antenna.

FR4 fibreglass PCB passive.patch.antenna Jupiter module 50.ohm.microstrip ground plane ground via LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 13 2.6.3 Passive antenna A passive antenna does not require any pow...

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

Antenna current limit using an IC Jupiter GPS Module 16171819 20 21 22232425 26 27282930 GND C5. 100 nF GND GND GND GND C4. 100 nF C6. 18 pF L2. 120R / 100 MHz OUT ON IN FLAG 3 1 2 4 5 PWR_IN antenna power enable U3 . MA X4785EXK–T antenna short circuit sense signal 1514131211 10987654321 Figure 2-1...

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.

Figure 2-11: Antenna short/open circuit sensor circuit (3.3 V supply only) V_ ANT L1. 120R / 100 MHz GND GND GND C1. 100 nF C3. 18 pF R3 . 1K GND GND SUPPLY_IN C2. 100 nF Q4-A. BC857BS R7 . 56R R 6 . 10 R 200.mW R 5 . 5K 6 R 8 . 5K 6 Q4-B . BC857BS Q3. BC847B R 4 . 10 K R 2 . 10 K R 1 . 10 K Q1 BC85...

Page 16 - Jupiter adapter printed circuit board; Figure 2-12: Adapter printed circuit board

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 1 2.7 Jupiter adapter printed circuit board The module supplied in the Development kit is mounted on a carrier PCB in a method typical of a customer application. Thi...

Page 17 - Refer to Table 2-8 for a description of the connector interfaces.; Jupiter; Software application information; Normal mode operation

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 1 Refer to Table 2-8 for a description of the connector interfaces. Jupiter function J2 (2.54 mm pitch header) pin no. J1 (2 mm pitch header) pin no. V_ ANT 1 1 VCC_...

Page 18 - Acknowledgements; sentence of the form:; Checksums

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 1 3.2.1 Adaptive TricklePower mode In Adaptive TricklePower mode, the processor automatically returns to full power when signal levels are below the level at which t...

Page 19 - Standard SiRF output:; Magnetic Heading field in $GPVTG; The standard SiRF output:

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 1 Unused messages Input messages where the message ID is not between 100 and 255, or where the message ID does not correspond to a specified function, result in the ...

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)

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 20 3.4 Navman proprietary NMEA low power mode messages Navman has added a number of proprietary NMEA input messages to configure the TricklePower and Push-To-Fix mod...

Page 21 - Table 3-3: Pin configuration of the GPIO lines; In each of the messages described in the following sections,

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 21 Bit Pad function Pin (LSB) 0 GPIO15/Fwd-Rev 27 1 GPIO1/Wheel Tick 28 2 GPIO3/Gyro In 8 3 GPIO5/SDI 25 4 GPIO6/SDO 24 5 GPIO7/SCLK 26 6 GPIO9/1PPS 29 (MSB) 7 GPIO1...

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

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 22 3.7 Antenna power monitor messages The Jupiter software includes antenna monitor messages driven by the state of the antenna monitor inputs. The inputs NANT_SC (s...

Page 23 - Glossary and acronyms; Electromagnetic Interference

LA000577C © 2006 Navman New Zealand. All rights reserved. Proprietary information and specifications subject to change without notice. 23 4.0 Glossary and acronyms EMI: Electromagnetic Interference FR4 substrate: . Flame Retardant type 4 . The usual base material from which plated-through-hole and m...