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PDF GPSORION Data sheet ( Hoja de datos )
| Número de pieza | GPSORION | |
| Descripción | 12 Channel GPS Receiver Design Product Brief | |
| Fabricantes | Mitel Networks Corporation | |
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GPS Orion
12 Channel GPS Receiver Design
Product Brief
DS4808 - 1.3 August 1997
The GPS Orion is an evaluation kit to demonstrate the
capability of the Mitel Semiconductor GP2000 Global
Positioning chip set. It is a fully functional GPS receiver design
which provides full 12 channel parallel tracking hardware and
software for GPS system integrators and designers of GPS
receiver subsystems. This new approach offers a complete
GPS receiver ‘engine’ design with the design information
being freely available, providing the ability to integrate GPS
with dedicated IC components. This allows wider design
flexibility and lower cost solutions than using third-party module-
based receivers. It enables the GP2000 chipset to be evaluated
in real applications.
FEATURES
I Small board size - 95 mm x 50 mm
I 12 channel GPS Receiver architecture
I Highly integrated miniature silicon Front-end IC
I Low cost 12 Channel Correlator IC
I 32 bit RISC processor with spare processing
I Easy to embed into host systems
I Non-volatile data retention
I Supported by Development System (GPS Architect)
with access to GPS software source code at minimal
cost
The GPS Orion comprises two boards : a GPS Receiver
board, and an Interface board. The Receiver board is based
on the GP2000 chip set plus complementary components
which make a complete GPS Receiver. The Interface board
provides power and data conditioning interfaces to peripheral
equipment, and long term memory backup.
GPS Receiver Board
The GPS Orion receiver architecture uses integrated
circuits manufactured by Mitel Semiconductor. The GP2000
chipset comprises the GP2015 RF downconverter, the
DW9255 35.42MHz (2MHz BW) IF SAW filter, the GP2021
correlator IC, and the 32-bit ARM60 RISC processor.
The use of a GP2015 RF downconverter offers good
immunity from out-of-band noise, especially when used with
the DW9255 surface mount SAW filter as a 2nd IF filter. The
design offers superior RF performance with a high degree of
noise rejection from digital sources. The 2-bit sampled IF, in
conjunction with triple-conversion architecture provides best-
in-class RF jamming resistance.
The GP2021 12 channel correlator can be used to track
C/A code for the Standard Positioning Service. Any channels
not used can be deselected to save power. The digital
interface is compatible with most 16 or 32-bit processors and
the IC includes interface logic to allow it to be easily coupled
to the ARM60 32 bit RISC processor.
Fig.1 GPS Orion Receiver Board with Interface Board
The ARM60-B 32-bit RISC microprocessor offers high
instruction throughput and fast real-time interrupt response.
The ARM60 offers superior performance for 12 channel
processing, which is important for applications such as vehicle
tracking and automotive applications.
Interface Board
The Interface board provides those functions which
would normally be included elsewhere in a GPS system.
These functions include : voltage regulation, battery back-up
(1000 hours memory retention), and serial interfaces to output
the information and to input commands and DGPS correction
data.
Software
The software for GPS Orion is stored in EPROM and is
self-booting. The software provides many facilities including:
NMEA 0183, or proprietary WINMON data interfaces
Navigation position filtering
Satellite Almanac and Ephemeris save and upload
Reliable satellite tracking
RTCM SC-104 Differential Correction input
Data Retention
The Receiver board includes a supercap (0.22 F) which
gives approximately 4 hours retention of volatile data
(position, satellite ephemerides, etc.) in isolation from the
Interface board. The Interface board includes a rechargeable
battery giving approximately 1,000 hours data retention.
1 page  
http://www.mitelsemi.com
North America
Tel: +1 (770) 486 0194
Fax: +1 (770) 631 8213
World Headquarters - Canada
Tel: +1 (613) 592 2122
Fax: +1 (613) 592 6909
Asia/Pacific
Tel: +65 333 6193
Fax: +65 333 6192
Europe, Middle East,
and Africa (EMEA)
Tel: +44 (0) 1793 518528
Fax: +44 (0) 1793 518581
Information relating to products and services furnished herein by Mitel Corporation or its subsidiaries (collectively “Mitel”) is believed to be reliable. However, Mitel assumes no
liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such information, product or service or for any infringement of
patents or other intellectual property rights owned by third parties which may result from such application or use. Neither the supply of such information or purchase of product or
service conveys any license, either express or implied, under patents or other intellectual property rights owned by Mitel or licensed from third parties by Mitel, whatsoever.
Purchasers of products are also hereby notified that the use of product in certain ways or in combination with Mitel, or non-Mitel furnished goods or services may infringe patents or
other intellectual property rights owned by Mitel.
This publication is issued to provide information only and (unless agreed by Mitel in writing) may not be used, applied or reproduced for any purpose nor form part of any order or
contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other information appearing in this
publication are subject to change by Mitel without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or
service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific
piece of equipment. It is the user’s responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or
data used is up to date and has not been superseded. Manufacturing does not necessarily include testing of all functions or parameters. These products are not suitable for use in
any medical products whose failure to perform may result in significant injury or death to the user. All products and materials are sold and services provided subject to Mitel’s
conditions of sale which are available on request.
M Mitel (design) and ST-BUS are registered trademarks of MITEL Corporation
Mitel Semiconductor is an ISO 9001 Registered Company
Copyright 1999 MITEL Corporation
All Rights Reserved
Printed in CANADA
TECHNICAL DOCUMENTATION - NOT FOR RESALE
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