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參數(shù)資料
| 型號(hào)： | IBM43GAENGP0002 |
| 廠商： | IBM Microeletronics |
| 英文描述： | IBM Global Positioning Satellite Receiver(IBM全球定位衛(wèi)星接收器) |
| 中文描述： | IBM全球定位衛(wèi)星接收機(jī)（IBM的全球定位衛(wèi)星接收器） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 155K |
| 代理商： | IBM43GAENGP0002 |
GP0001ds.fm (02)
August 11, 2000
IBM43GAENGP0002
IBM Global Positioning Satellite Receiver
General Information
Page 1 of 11
1. General Information
1.1 Features
Fast satellite acquisition with twelve parallel
tracking channels
Enhanced Time To First Fix (TTFF) from battery
back-up to power-on condition
NMEA (National Marine Electronics Associa-
tion)-0183 data protocol support
Standard Positioning Service (SPS) accuracy
Operational flexibility, configured through user
commands via the host serial port
Accepts user supplied initialization data via the
host serial port
User selectable satellites and satellite mask
angles
Three dimensional (3D) and two dimensional
(2D) navigation modes supported
Automatic altitude hold lets the receiver use an
altitude determined in 3D navigation mode to
calculate a fix in 2D navigation mode
Automatic cold-start acquisition process
Meets rigid vibration and shock requirements
One pulse per second (PPS) output available
Right angle MCX type, snap-on coaxial radio
frequency (RF) jack
Standard 2 x 5 pin input/output connector
Operation over an extended temperature range:
-40° C to +85° C
Very small footprint: 66 x 40 x 4.5 mm
1.2 Description
The IBM Global Positioning Satellite (GPS)
Receiver, IBM43GAENGP0002, is a single-board,
twelve parallel-channel engine designed for OEM
use. The GPS Receiver works with a wide variety of
end products including hand-held, marine, and in-
vehicle automotive devices.
The GPS Receiver processes signals from all the
visible GPS satellites broadcasting radio frequency
(RF) navigation information. “All-in-view” satellite
tracking produces highly accurate, smoothed navi-
gation data. The data is relatively immune to the
position jumps that occur when fewer satellites are
monitored. Designed to withstand harsh industrial
environments, the GPS Receiver performs robustly
in situations (such as dense urban areas) where
extreme vehicle movement or high signal blockage
are concerns.
When fewer than four satellites are available or
when operating conditions require, the GPS
Receiver supports 2D navigation. To calculate a fix
while in 2D navigation mode, the receiver uses
either the last altitude determined while in 3D navi-
gation mode or data supplied by the user.
Satellite acquisition can be obtained under most
initialization situations, as long as the receiver can
‘see’ the satellites. Rapid Time To First Fix (TTFF) is
a feature of the twelve parallel-channel architecture
of the IBM GPS Receiver. The flexible satellite
acquisition system takes advantage of all available
information to provide rapid TTFF even without user
initiation. To minimize TTFF when primary power is
removed from the receiver, a DC supply voltage
maintains the Real Time Clock (RTC). This allows
the GPS Receiver to use the prior position data and
satellite information stored in the GPS Receiver’s
flash memory.
The receiver has an independent, asynchronous
serial input/output port that outputs navigation data
and accepts commands in NMEA-0183 or IBM
Binary message formats.
.
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