|
| |
|
| |
|
|
|
| |
 Ct-G348 |
GPS Engine Board |
|
| |
 |
|
The Connectec Ct-G348 GPS module is a high sensitivity, low power, Surface Mount Device (SMD). This 20-channel global positioning system (GPS) receiver is designed for a wide range of OEM applications and is based on the GPS signal search capabilities of the SiRFstarIII GSC3f/LPx chipset, SiRF’s newest chipset technology.
The Ct-G348 is designed to allow quick and easy integration into GPS-related applications such as:
- PDA, Pocket PC, and other computing devices
- Car and Marine Navigation.
- Fleet Management /Asset Tracking.
- AVL and Location-Based Services.
- Hand-Held Device for Personal Positioning and Navigation.
|
|
| |
|
|
|
| |
  |
|
| |
|
|
| |
| Feature |
Item |
Description |
| Chipset |
GSC3f/LPx |
SiRF StarIII low power single chipset |
| General |
Frequency |
L1, 1575.42 MHz |
| C/A code |
1.023 MHz chip rate |
| Channels |
20 |
| Accuracy |
Position |
10 meters, 2D RMS |
| Velocity |
5 meters 2D RMS, WAAS corrected |
| Time |
0.1 meters/second |
| 1 microsecond synchronized to GPS time |
| Datum |
Default |
WGS-84 |
| Other |
selectable for other Datum |
Time to First Fix (TTFF)
(Open Sky
&
Stationary Requirements) |
Reacquisition |
0.1 sec., average |
| Snap start |
1 sec., average |
| Hot start |
1 sec., average typical TTFF |
| Warm start |
35 sec., average typical TTFF |
| Cold start |
35 sec., average typical TTFF |
Dynamic Conditions |
Altitude |
18,000 meters (60,000 feet) max. |
| Velocity |
515 meters/second (1000 knots) max. |
| Acceleration |
4g, max. |
| Jerk |
20 meters/second3, max. |
| Power |
Main power input |
3.3 ~ 5.0 VDC input |
| Backup Power |
1.5 ~ 5.0 VDC input |
| Acquisitioning |
30 mA |
| Tracking |
25 mA |
| Serial Port |
Electrical interface |
Two full duplex serial TTL interface |
| Protocol messages |
NMEA-0183@4800 bps (Default) |
| Time-1PPS Pulse |
Level |
TTL |
| Pulse duration |
The 1PPS pulse width is 1μs, this 1PPS is NOT |
| suited to steer various oscillators (timing |
| receivers,telecommunications system, etc.) |
| Time reference |
At the pulse positive edge. |
| Measurements |
Aligned to GPS second, ±1 microsecond |
|
|
| |
|
|
|
|
| |
|
|
|
|
|
|
