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GNS - GPS receiver

Numéro de référence GNS603
Description GPS receiver
Fabricant GNS 
Logo GNS 





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GNS603 fiche technique
GPS receiver
GNS 603
Datasheet V1.0
preliminary specification
1 INTRODUCTION
GNS603 is a small autonomous GPS receiver, based upon the MT3339 single chip, available with a
finely tuned, high-sensitivity patch ceramic antenna.
The navigation performance and accuracy is further improved by using correction data from SBAS
(WAAS, EGNOS, GAGAN, MSAS, QZSS).
The GNS603 provides a extra embedded functionality for connection of an external active GPS
antenna. An automatic antenna switching function and a short circuit protection features a software
antenna status message called “Antenna Advisor”. The “Antenna Advisor” helps to indicate the
different states, including active antenna connection, antenna open circuit detection and antenna
shortage.
First Fixes after just a few seconds are achieved with the help of A-GPS using EPOTM ( Extended
Prediction Orbit) and the EASYTM “self generated orbit prediction” algorithm. EASYTM (Embedded
Assist System) does not require any resources or assist data from the host.
The excellent low power design makes it easy to implement this receiver in power sensitive, battery
supplied applications. The new AlwaysLocateTM power management feature will improve this
behaviour additionally. It adaptively adjusts power consumption depending on the environment and
motion conditions, in order to achive a balance between fix rate, power consumption and position
accuracy.
Very low power requirements (typ 66mW@ 3.3V) and internal voltage regulator makes it easy to
run the receiver with various power supplies and allows direct connection to LiIon batteries.
GNS603 offers the industry’s highest level of navigation sensitivity up to -165dBm1. It has superior
dynamic performance at high velocity and provides effective protection against interference signals
using MTAICTM ( Multi-tone active interference canceller). Up to 12 independent channel
interference continious wave jammers <-80dBm can be eliminated or reduced.
The embedded logger function LOCUS with a 16-hrs on chip memory makes this GPS module a
complete track logger for many applications. With AlwaysLocateTM data logging can be achieved up
to 32-hrs under standard conditions.
In professional timing applications the outstanding high accuracy PPS (pulse per second) hardware
pin is used for synchronization to GPS second. Typical accuracy is 10ns.
1 note: Based on chip specifications
DISTRIBUTED BY TEXIM EUROPE
© GNS-GmbH 2013
V 1.0, May 24th 2013
1

PagesPages 25
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