NEBULA GPS RECEIVER

support to read, write and erase the User data segment

application specific data such as route points. Message

192K Bytes of Flash memory for the User to store any

Custom messages to test Time to first fix (TTFF)

designed specifically for automobile applications

Antenna open circuit detection and short circuit protection

carrying the status report

Comprehensive built in self test with output message

integration

down modes. Option to reduce power further during system

Lower power consumption in both continuous and power

Multipath mitigation algorithms in software

with repeatable retrace

Excellent Foliage and Urban Canyon tracking performance

 

3

 

Chapter 2 Introduction

 

receivers

Industry leading sensitivity figures among stand-alone GPS

The improvements are listed below

specifically designed to provide ease of manufacturability.

Further, features such as a comprehensive Built-in Self test are

Rev. 1.0 provides tremendous improvements in performance.

keeping with this tradition, the current revision of the NEBULA

performance of their GPS chipsets in small form factor. In

Accord and Analog are committed to constantly improving the

 

Whats New in this Revision

 

PC based Graphical User Interface

Standard interfaces viz., RS 232

Raw measurement data output

Programmable low-power modes

Multiple datum support

DGPS compatibility

Precise Time and Time Interval output

Easy for customization

Easy to upgrade

Designed around a real-time executive

Provides users position, velocity and time

Fast acquisition of satellite signals even without almanac

12 Correlator channels

Fixed point DSP based solution

 

Product Highlights of NEBULA Chipset

 

Software Revision 4.0

Hardware Revision 4.0

are

The software and hardware revision numbers on the evaluation kit

 

Revision identification

 

2

 

Chapter 2 Introduction

 

the Users Guide.

However a

Hardware Installation

 

Before using the Evaluation Kit, please read the Chapter 4:

Antenna and the Cables.

installation CD. The bottom tray contains the NEBULA Receiver,

arranged. The top tray contains the Users Guide and the GVision

The package contains two trays in which the above items are

Cigarette Lighter cable

RS 232 cable with D-type 9 pin connectors

Active antenna

NEBULA Receiver unit

GVision software installation CD for Windows

NEBULA Evaluation Kit - Users Guide

NEBULA Evaluation Kit includes:

 

About the Evaluation Kit

 

receiver.

Graphical User Interface for configuring and monitoring the

performance of the NEBULA chipset. The Evaluation Kit includes

NEBULA chipset can be used as an evaluation platform for the

navigation. A reference design for the GPS receiver based on the

intensive solution for GPS signal correlation, positioning and

family of DSPs. This chipset NEBULA offers a software

System (GPS) Receiver chipset based on Analog Devices fixedpoint

Analog Devices has developed an innovative Global Positioning

 

Overview

NEBULA GPS RECEIVER

NEBULA GPS RECEIVER