User`s guide

Chapter 3 - Receiver Descriptions
M12+ ONCORE RECEIVER TECHNICAL CHARACTERISTICS
Table 3.2: M12+ Positioning R
Receiver Architecture
ed tracking)
eceiver Characteristics
12 Channel
L1 (1575.42 MHz) operation
C/A code (1.023 MHz chip rate)
Code plus carrier tracking (carrier aid
GENERAL
CHARACTERISTICS
Tracking Capability 12 simultaneous satellite vehicles
Dynamics Velocity: 1000 kts (515 m/s), > 1000kts permissible at
Acceleration: 4g
er Mil-Std 810E
altitudes < 60,000 ft (18 km)
Jerk: 5m/s
3
Vibration: 7.7g p
Acquisition Time
C
me)
information
eacquisition after blockage
Tested at -30 to +85°
15s typ. TTFF hot (current almanac, position, time,
ephemeris)
40s typ. TTFF warm (current almanac, position, ti
60s typ. TTFF cold (no stored
<1.0s typ. Internal r
Positioning Accuracy <25m SEP witho
<100m 2dRMS w
ut SA
ith SA per DoD spec
Timing Accuracy (1PPS) n <500nS with SA o
Antenna Requirements as
measured at receiver RF connector
draw
Active antenna module, 18-36 dBm external gain
3-5V power, 80mA max. current
PERFORMANCE
CHARACTERISTICS
Datum Default: WGS-84, one user definable
SERIAL
COMMUNICATION
Output Messages Position, tim
Defa Mo
Optional: N
User s or polled)
e, receiver status
ult: torola binary protocol, 9600 baud
MEA 0183, 4800 baud
selectable update rates (continuou
3V CMOS/TTL inverted interface
Second com port for RTCM input
Power requirements 2.85 to 3.15 Vdc, 50mV max ripple
185 mW @ 3V, less antenna current
ELECTRICAL
CHARACTERISTICS
"Keep-Alive" BATT
2.2 - 3.2 Vdc, 5 µA typical @ 25°C at 2.7V
Dimensions 40 x 60 x 10 mm (1.57 x 2.36 x 0.39 in)
Weight 25g (0.9 oz)
Connectors Data/power: 10 pin (2x5) unshrouded header on 1.27
mm (0.05") centers
Available in right angle or straight configurations
RF: MMCX End-launch jack
PHYSICAL
CHARACTERISTICS
Antenna connection Single coax cable
Operating temperature
-40°C to +85°C
Storage temperature
-40°C to +105°C
Humidity
95% over dry bulb range of +38°C to +85°C
ENVIRONMENTAL
CHARACTERISTICS
Altitude 18,000 m (60,000 ft) maximum
> 18,000 m for velocities < 515 m/s (1000 kts)
DGPS support
• Motorola binary DGPS corrections at 9600
baud on Com port 1
• RTCM SC-104 Type 1 and 9 corrections at
2400, 4800, and 9600 baud on Com port 2
• Inverse DGPS support
MISCELLANEOUS
Optional features Onboard rechargeable lithium backup battery
NOTES
All specifications typical and quoted at 25°C unless otherwise specified
Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05
20