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CXD2930BR

Performance

• Reception frequency

1575.42MHz (L1 band, CA code)

• Reception sensitivity (using the CXA1951AQ in the RF block)

–130dBm or less

Cold start (without ephemeris and almanac)

35 to 60s

Warm start (without ephemeris with almanac)

34 to 50s

Hot start (with ephemeris and almanac)

6 to 20s

Reacquisition time (interrupt recovery time)

Less than 5 minutes: < 3 to 6s

5 minutes or more: < 6 to 10s

• Positioning accuracy

Stand alone (GPS unit only)

1

σ : < 30m

3

σ : < 90m

DGPS (differential GPS)

1

σ : < 6m

3

σ : < 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.

0V

CXA1951AQ

RF Converter

CXD2930BR

16ch GPS Processor

Flash ROM

2M bit

Antenna

GPS Receiver System Diagram Using the CXD2930BR

0V

TCXO

IF

TXD

RXD