CXD2930BR
Performance
• Reception frequency
1575.42MHz (L1 band, CA code)
• Reception sensitivity (using the CXA1951AQ in the RF block)
–130dBm or less
• Time to first fix∗ (time until initial measurement after power-on)
Cold start (without ephemeris and almanac)
35 to 60s
Antenna
CXA1951AQ
RF Converter
Warm start (without ephemeris with almanac)
34 to 50s
Hot start (with ephemeris and almanac)
0V
0V
TCXO
IF
6 to 20s
Reacquisition time (interrupt recovery time)
Less than 5 minutes: < 3 to 6s
CXD2930BR
16ch GPS Processor
TXD
RXD
5 minutes or more: < 6 to 10s
• Positioning accuracy
Stand alone (GPS unit only)
1σ : < 30m
Flash ROM
2M bit
3σ : < 90m
DGPS (differential GPS)
GPS Receiver System Diagram Using the CXD2930BR
1σ : < 6m
3σ : < 18m
• Measurement data update time
Every 1s
• Communication method
Sony standard serial communication
Supports NMEA
∗ The noted values may be exceeded depending on the operating environment and other conditions.
The above performance values are as of February 1998. Sony reserves the right to change performance
without prior notice. Accordingly, the above performance values should be used only as reference data.
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