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參數(shù)資料
| 型號： | 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（IBM的全球定位衛(wèi)星接收器） |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 155K |
| 代理商： | IBM43GAENGP0002 |
IBM43GAENGP0002
IBM Global Positioning Satellite Receiver
GP0001ds.fm (02)
August 11, 2000
General Information
Page 5 of 11
1.6 Technical Specifications
1.6.1 Signal Acquisition Performance
For more information, refer to
Table 1: Signal Acquisition Mode Performance
on page 3. Values are based on
unobstructed satellite signals.
1.6.2 Antenna Requirements
1.6.3 Power Requirements
The regulated power requirements are described in
Table 3: External Power Requirements
on page 4. When
the GPS Receiver is operated with an active GPS antenna, the antenna
’
s maximum pre-amp, pass-through
current on V_ANT is 100 mA at voltages up to +12 V DC. Pass-through current must be limited outside the
receiver.
Accuracy
Accuracy is a function of the entire GPS system, including the geometry of the
satellites at the time of measurement. Individual GPS receivers have very little
influence over position accuracy. Navigational accuracies based on the Standard
Positioning Service (SPS) are provided in
Table 2: Standard Positioning Service
(SPS) Navigational Accuracy
on page 4. These figures are based on a geographic
dilution of precision (GDOP) of 6.0.
Solution Update Rate
Once per second
Re-acquisition
Less than one second typical with a ten second blockage
Time Mark
Once per second (± 500 ns)
Serial Data Output
Protocol
IBM Binary or NMEA-0183
Frequency
1575 MHz ± 2 MHz
Antenna Gain
75 dBic typical at zenith
VSWR
1.2:1 typical
1.5:1 maximum (active)
Temperature
-40
o
C to +95
o
C
Filtering
-27.0 dB typical at ± 50 MHz
Noise Figure
1.5 dB maximum
Gain
33 dBic ± 2 dB (Cable loss of approximately .42 dB per foot is not included)
Voltage Protection
Zener diode limited
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