GPS Orion PRODUCT BRIEF
RELATED PRODUCTS
Part No
Description
DW9255
GP2010
GP2015
GP2021
ARM60
GPS Architect
35.42 MHz SAW Filter
GPS RF Front End
GPS RF Front End in TQFP package
12 Channel Correlator
32 Bit RISC Processor
12 Channel GPS Development System
Data Sheet
Reference
DS3861
DS4056
DS4374
DS4077
DS4004
DS4605
Fig.2 GPS Orion Architecture
OUTLINE SPECIFICATION
RECEIVER CHARACTERISTICS
GENERAL:
DATUM:
POSITION ACCURACY:
(standard)
POSITION ACCURACY:
(DGPS)
TIME-TO-FIRST-FIX (TTFF - Ref Notes)
G Cold start:
G Warm start:
G Hot start:
RE-ACQUISITION AFTER SIGNAL LOSS:
ANTI-JAMMING RESISTANCE:
2
L1 frequency (1575.42MHz), C/A code direct-sequence spread-spectrum,
12 parallel channel continuous-tracking receiver, using 2-bit digital
quantization.
WGS-84 only
25 metres Spherical Error Probability (SEP);
100 metres (2D Root Mean Square) with S/A active.
3 metres SEP, with S/A active.
Typical
90%
105 seconds
<165 seconds
<60 seconds
11 seconds
<15 seconds
< 2 seconds (90%)
-20dBm CW to within ±7.5MHz of L1 (for <3dB degradation in GPS SNR).