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NAVSYNC CW25 User Manual
Also see for CW25: User manual
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Copyright ©2007 NavSync Ltd.All Rights Reserved Specifications subject to change without notice.CW25 Software User Manual Page 7 of 50 Rev 03 Date: 06/16/082. SPECIFICATION2.1 PerformanceCW25 GPS RECEIVER SPECIFICATIONS 1Physical Module dimensions 25mm (D) x 27mm (W) x 4.2mm (H)Supply voltages 3V3 (Digital I/O), 3V3 (RF), 1V8 (Core option), 3V (Standby Battery)Operating Temp -30°C to +80°C 2Storage Temp -40°C to +85°C 2Humidity 5% to 95% non-condensingMax Velocity / Altitude 515ms -1 / 18,000m(increased rating version available subject to export license)Max Acceleration / Jerk 4g / 1gs -1 (sustained for less than 5 seconds)Sensitivity Acquisition with network assist -155dBmTracking -156dBmAcquisition Stand Alone -143dBmAcquisition Hot Start with network assist Outdoor: <2sTime Indoor (-148dBm): <5sStand Alone (Outdoor) Cold: <45sWarm: <38sHot: <5sRe-acquisition: <1s (90% confidence)Accuracy Position: Outdoor / Indoor <5m rms / <50m rmsVelocity <0.05ms -1Latency <200msRaw Measurement Accuracy Pseudorange <0.3m rms, Carrier phase <5mm rmsTracking Code and carrier coherentPower 1 fix per second 0.6W typicallyComa Mode Current <10mA(RF3V3+DIG3V3)Standby Current (VBATT) 1.5μAInterfaces Serial 3 UART ports, CMOS levelsMulti function I/O 1PPSFrequency Output available on GPIO [0]Event Counter/Timer InputUp to 4 x GPIO (multi-function)2 x LED Status DriveI 2 C, External Clock (on special build)Protocols Network Assist, NMEA 0183, Proprietary ASCII and binary message formats1pps Timing Output 30ns rms accuracy, <5ns resolution, Factory customisable pulse widthEvent Input 30ns rms accuracy, <10ns resolutionFrequency Output (GPIO [0]) 0 MHz to 20 MHz (CW25-NAV)10 Hz to 30 MHz (CW25-TIM)Receiver Type 12 parallel channel x 32 taps up to 32 point FFT. Channels, tapsand FFT can be switched off to minimize power or simulatesimpler designs.General Processor ARM 966E-S on a 0.18 micron process at up to 120 MHz.Note: 1. The features listed above may require specific software builds and may not all be available in the initial release.2. Please contact factory for other temperature options.Table 1 CW25 Specification2.2 Recommended RatingsSymbol Parameter Min Max UnitsRF_3V3 RF Supply Voltage +3.0 +3.6 VoltsDIG_3V3 Digital Supply Voltage +3.0 +3.6 VoltsDIG_1V8 Digital Supply Voltage +1.65 +1.95 VoltsVBATT Battery Backup Voltage +2.7 +3.5 VoltsANT_SUPPLY Antenna Supply Voltage +3.0 +12 VoltsTable 2 Absolute Maximum Ratings |
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