ProGin SR-86 GPS modules
*Description
The ProGin SR-86 series GPS modules incorporates high sensitivity, high performance SiRF StarⅢ chipset solution in a compact design. The module tracks up to 20 satellites at a time while offering fast time-to-first-fix, and 1Hz navigation update. The unit is very suitable for broad applications such as Handheld, PDA, PPC or other battery operated navigation system.
*Features:
■ High sensitivity SiRF StarⅢ chipsets.
■ High performance receiver tracks up to 20 satellites.
■ TTL output for GPS command interface.
■ Low power consumption.
■ Average Cold Start time under 42 seconds.
■ On-chip 1Mb SRAM.
■ Reacquisition time 0.1 second.
■ Support accurate 1PPS output signal aligned with GPS timing.
■ Support Standard NMEA-0183 and SiRF Binary protocol.
■ Multi-path mitigation hardware.
■ Compact size SR86: 24*24*2.5 mm3; SR861: 24*21*2.5 mm3.
■ Easy integration into hand-held devices.
*Ordering information:
SR-86, Dim. 24×24×2.5 mm3
SR-861, Dim. 24×21×2.5 mm3
*Technical Specifications
Electrical Characteristics
General
Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 20 channels all in view tracking
Sensitivity
Tracking -159 dBm typical
Accuracy
Position < 10 meters, 2D RMS
< 7 meters 2D RMS, WAAS corrected
1-5 meters, DGPS corrected
Time 1 microsecond synchronized to GPS time
Datum
Default WGS-84
Acquisition Rate
Hot start 1 sec, average
Warm start 38 sec, average
Cold start 42 sec, average
Reacquisition 0.1 sec, average
Dynamic Conditions
Altitude < 18,000 meters (60,000 feet)
Velocity < 515 meters/sec (1000 knots)
Acceleration < 4 G
Jerk 20 meters/sec max
Power
Main power input 3.0 ~ 5.5 VDC input.
Supply Current < 80 mA @ 3.3V
Serial Port
Electrical interface Two full duplex serial communication, via RS232, TTL interface
Protocol message NMEA-0183, SiRF Binary
Default NMEA GGA, GSA, GSV, RMC, (GLL, VTG, and ZDA optional)
4800 baud rate (other rate optional)
8 bits data, 1 stop bit, no parity.
Time 1 PPS Pulse, Pulse duration 100 msec.
Time reference at the pulse positive edge.
Synchronized to GPS time, ±1 microsecond.
Weight < 2g
Environmental Characteristics
Operating temperature range -40 oC to +85 oC
Storage temperature range -45 oC to +100 oC
|
