Globalsat Technology bu-333n 사용자 설명서

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BU303-353_WIN_UsersGuide_ v2.3
 
USB GPS (WIN)
12.  BU-353/333N SPECIFICATIONS 
 
Electrical Characteristics (Receiver) 
 
 
GPS Chipset 
 
SiRF Star III e/LP 
Frequency 
 
L1, 1575.42 MHZ 
C/A Code 
 
1.023 MHz chip rate 
Channels  
 
20 all-in-view tracking 
Sensitivity  
-159 
dBm 
Accuracy 
 
 
Position Horizontal  
 
5m 2D RMS  WAAS enabled  
10m 2D RMS WAAS disabled   
Velocity 
 
0.1m/sec 95% (SA off), 
Time 
 
1 micro-second synchronized to GPS time 
WAAS 
 
Enabled for North America product s (USGlobalSat, Inc) 
Datum 
 
 
Datum  
WGS-84 
Acquisition Rate 
 
 
Hot start 
 
1 sec., average (with ephemeris and almanac valid) 
Warm start 
 
38 sec., average (with almanac but not ephemeris) 
Cold start 
 
42 sec., average (neither almanac nor ephemeris) 
Reacquisition 
 
0.1 sec. average (interruption recovery time) 
Protocol 
 
 
GPS Protocol 
 
Default: NMEA 0183  (Secondary: SiRF binary) 
GPS Output Data 
 
SiRF binary >> position, velocity, altitude, status and control 
NMEA 0183 MEA0183 V2.2 protocol, and supports 
command: GGA, GSA, GSV, RMC, VTG, GLL v2.2 (VTG 
and GLL are optional) 
GPS transfer rate 
 
Software command setting (Default : 4800,n,8,1 for NMEA ) 
Dynamic Condition 
 
 
Acceleration Limit 
 
Less than 4g 
Altitude Limit 
 
18,000 meters (60,000 feet) max. 
Velocity Limit 
 
515 meters/sec. (1,000 knots) max. 
Jerk Limit 
 
20 m/sec**3 
Temperature 
 
 
Operating  
-40°~ 
85°C 
Storage  
-40°~ 
85°C 
Humidity 
 
Up to 95% non-condensing 
Power 
 
 
Voltage  
 
4.5 ~ 5.5V  DC Input 
Current  
80mA 
typical 
Physical Characteristics 
 
 
Dimension 
 
2.08" diameter x 0.75" (53mm  dia. x 19.2mm) 
USB Cable Length 
 
60" (152 cm) 
Low Noise Amp 
 
 
Amplifier Gain w/out cable 
 
27 dB   Typical 
Filtering 
 
-25dB (+100 MHz) 
Output VSWR 
 
2.0 Max. 
Voltage 
 
DC 3 ~ 5.0V 
Current 
 
15mA  max @ 5VDC 
Due to continuous product improvements, all specifications are subject to change without notice.