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GPSORION PDF даташит

Спецификация GPSORION изготовлена ​​​​«Mitel Networks Corporation» и имеет функцию, называемую «12 Channel GPS Receiver Design Product Brief».

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Номер произв GPSORION
Описание 12 Channel GPS Receiver Design Product Brief
Производители Mitel Networks Corporation
логотип Mitel Networks Corporation логотип 

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GPSORION Даташит, Описание, Даташиты
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.









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GPSORION Даташит, Описание, Даташиты
GPS Orion PRODUCT BRIEF
RELATED PRODUCTS
Part No
Description
DW9255
GP2010
GP2015
GP2021
ARM60
GPS Architect
35.42 MHz SAW Filter
GPS RF Front End
GPS RF Front End in TQFP package
12 Channel Correlator
32 Bit RISC Processor
12 Channel GPS Development System
Data Sheet
Reference
DS3861
DS4056
DS4374
DS4077
DS4004
DS4605
Fig.2 GPS Orion Architecture
OUTLINE SPECIFICATION
RECEIVER CHARACTERISTICS
GENERAL:
DATUM:
POSITION ACCURACY:
(standard)
POSITION ACCURACY:
(DGPS)
TIME-TO-FIRST-FIX (TTFF - Ref Notes)
G Cold start:
G Warm start:
G Hot start:
RE-ACQUISITION AFTER SIGNAL LOSS:
ANTI-JAMMING RESISTANCE:
2
L1 frequency (1575.42MHz), C/A code direct-sequence spread-spectrum,
12 parallel channel continuous-tracking receiver, using 2-bit digital
quantization.
WGS-84 only
25 metres Spherical Error Probability (SEP);
100 metres (2D Root Mean Square) with S/A active.
3 metres SEP, with S/A active.
Typical
90%
105 seconds
<165 seconds
<60 seconds
11 seconds
<15 seconds
< 2 seconds (90%)
-20dBm CW to within ±7.5MHz of L1 (for <3dB degradation in GPS SNR).









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GPSORION Даташит, Описание, Даташиты
DATA I/O
WINMON MODE:
(J2 socket)
NMEA MODE:
(J2 socket)
GPS Orion PRODUCT BRIEF
Proprietory GEC-Plessey Semiconductors ASCII interface protocol. Full
input/output interface, controlling all user-definable options.
19200 baud, 8-bits, No Parity, 1 stop bit.
NMEA 0183 V2.01 with GGA, RMC, GSV & GSA (output only - not
configurable).
4800 baud, 8-bits, No parity, 1 stop bit.
UPDATE RATE:
RTCM DIFFERENTIAL CORRECTIONS:
(J1 socket)
Receiver configuration is still available in NMEA mode, by using WINMON
command protocol at 4800 baud, 8-bits, No parity, 1 stop bit.
1 per second (both modes)
RTCM SC-104 (input only) - message types 1, 2 & 9-3
9600 baud, 8-bits, No Parity, 1 stop bit
PHYSICAL CHARACTERISTICS - GPS ORION RECEIVER BOARD
PRIME POWER: Vdd into receiver board
EXTERNAL BACKUP POWER: Vdr
ACTIVE-ANTENNA POWER:
POWER CONSUMPTION: Vdd
MEMORY/RTC BACKUP POWER
CONSUMPTION: Vdr
INSTALLED SUPERCAP BACKUP LIFE:
DATA I/O LEVELS:
SIZE: (GPS Orion Receiver Board only)
SIZE: (with GPS Orion Interface Board
attached)
CONNECTORS:
+5 volts DC, +/- 10%
>+2.2 volts DC, <+5.5volts DC
+5 volts DC available
GPS Receiver Board only: 370mA 1.85W
With Antenna: 395mA 1.98W
60µA @ Vdr > +2.2volts DC
4 hours approx.
CMOS TTL levels (0v & +5v)
95mm x 50mm x 20mm (with RF connector)
95mm x 50mm x 12mm (no RF connector)
95mm x 50mm x 30mm
RF: SMA socket
I/O: 9-pin (1 x 9), 0.1" pitch plug
PHYSICAL CHARACTERISTICS - GPS ORION INTERFACE BOARD
INPUT POWER SUPPLY:
MEMORY / RTC BACKUP BATTERY:
BATTERY CHARGE -
G RATE:
G TOTAL RECHARGE TIME:
BATTERY BACKUP LIFE (when supplying
Vdr pin on GPS Orion receiver board):
DATA I/O LEVELS:
OUTPUT DATA-MODE CHANGE:
SOFT RESET:
CONNECTORS:
+8 volts to +30volts DC
+3.6 v NiCad, 110mAhrs
7.5mA typical
18 hours approx.
8 weeks approx.
RS232 levels (±10v)
Slide switch
Push button
I/O to Orion: 9-pin (1 x 9), 0.1" pitch socket
Power: 2.5mm power socket (centre positive)
RS232: 2 x 9 pin D-type plug
ENVIRONMENTAL CHARACTERISTICS (RECEIVER BOARD ONLY)
OPERATING TEMP:
STORAGE TEMP:
-40°C to +85°C
-50°C to +110°C
3










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GPSORION12 Channel GPS Receiver Design Product BriefMitel Networks Corporation
Mitel Networks Corporation

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