Maestro A1084 User Manual - Table of Contents
V1.4 – Mar-11
User’s Manual
Page 4 of 39
Table of Contents
1 Introduction ........................................................................................................ 6
1.1 Label ................................................................................................................. 7
1.2 Characteristics .................................................................................................. 8
1.2.1 GPS Characteristics ................................................................................................... 8
1.2.2 Mechanical Characteristics......................................................................................... 8
1.3 Handling Precautions ........................................................................................ 8
2 Ordering Information ......................................................................................... 9
2.1 GPS Receivers A1084 ...................................................................................... 9
2.2 Packing of the A1084 ........................................................................................ 9
2.3 Additional Equipment ...................................................................................... 11
3 Quick Start ........................................................................................................ 12
3.1 Minimum Configuration ................................................................................... 12
3.2 Antennas......................................................................................................... 15
3.2.1 Passive Antennas..................................................................................................... 15
3.2.2 Active Antennas........................................................................................................ 15
3.3 Serial Port Settings ......................................................................................... 15
3.4 Improved TTFF ............................................................................................... 15
4 Mechanical Outline .......................................................................................... 16
4.1 Details Component Side A1084 ...................................................................... 16
4.2 Details Solder Side A1084 .............................................................................. 17
5 Pin-out Information .......................................................................................... 18
5.1 Layout A1084.................................................................................................. 18
5.2 Description A1084 Signals .............................................................................. 19
5.2.1 Description A1084-A Signals.................................................................................... 19
5.2.2 Description A1084-B Signals.................................................................................... 20
5.3 General Comments ......................................................................................... 21
6 Electrical Characteristics ................................................................................ 22
6.1 Operating Conditions ...................................................................................... 22
6.2 Absolute Maximum Ratings ............................................................................ 22
6.3 DC Electrical Characteristics........................................................................... 23
7 Mounting ........................................................................................................... 24
7.1 Proposed Footprint for Soldering .................................................................... 24
7.2 Recommended Profile for Reflow Soldering ................................................... 24
8 Use of GPS Antennas ...................................................................................... 25
8.1 Connecting a GPS antenna to the GPS receiver ............................................ 25
8.2 Antenna Connections...................................................................................... 27
8.2.1 Active Antennas........................................................................................................ 27
8.2.2 Passive Antennas..................................................................................................... 29
8.2.3 Active Antennas on ANT_INT................................................................................... 29
8.2.4 Hints ......................................................................................................................... 29