Wavecom GS64 Uživatelský manuál stáhnout pdf (Strana 13)

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GPS

iTrax MP Family Key Features

■ iTrax300, iTrax130 and iTrax03-S

■ Tiny form factor:

16.2 mm x 18.8 mm x 2.3 mm

■ High sensitivity

■ Low power

■ Common connectivity

■ NMEA & binary protocols

■ Two serial ports

■ 1PPS output

■ GPIO available for custom purposes

■ Other peripherals include SPI bus,

MMC bus, Capture Timer input,

Pulse Measurement input, A/D

converter depending on the module

iTrax310

■

Ultra small form factor:

13.1 x 15.9 x 2.5 mm

■ SiRFStarIII low power based

(GSC3f/LP)

■ 20 channels (12 in tracking)

■ Very high sensitivity:

-142 dBm (Acquisition)

-158 dBm (Navigation)

■ NMEA or SiRF binary protocol

■ NMEA default output:

GGA,RMC, GSV, GSA (9600 baud)

■ [email protected]

([email protected] in back up state)

■ Support for passive and active

antennas

■ 1 PPS output

iTrax300 iTrax130 iTrax03-S

General: L1, C/A Code, SPS 20 channels 12 channels 12 channels

Update rate: 1 fx/s (User config.) 1 fx/s (User config.) 1 fx/s (User config.)

Accuracy: Position: 1.5 m (CEP50) 1.5 (CEP50) 1.0 m (CEP50)

1.8 m (CEP95) 1.8 m (CEP95) 1.2 m (CEP95)

Velocity: 0.1 m/s 0.1 m/s 0.1 m/s RMS

Time: ±1 μs 20 ns RMS 20 ns RMS

TIFF: Cold Start: 40s typ. 39x typ. 40s typ.

Hot start: 2s typ. 4s typ. 4s typ.

Sensitivity: Acquisition (cold): – 143 dBm – 139 dBm – 141 dBm

Navigation: – 158 dBm – 151 dBm – 155 dBm

Tracking: – 158 dBm – 154 dBm – 156 dBm

Power Drain: Navigating 1 fx/s: 110 mW typ. 100 mW typ. 100 mW typ.

Stand-by state: 3 mW typ. 15 mW typ.

Hibernate/Sleep state: 45 μW 150 mW batt. backup 95 mW typ.

Operating voltage: Main Supply: +3.0 V…3.3 V +3.0 V...3.6 V +2.7 V...3.3 V

Back up Supply: +2.5 V...3.3 V +3.0 V...3.6 V -

RF Supply: – - +2.7 V...3.3 V

Other: Operating temperature: –40 °C... +85 °C –40 °C... +85 °C –40 °C... +85 °C

Serial ports: 2 2 2

GPIO, number of: 7 free, 1 dedicated 12 (shared functionality) 17 (shared functionality)

Peripherals: – 10-bit A/D, 2 channels SPI, MMC, Timer, PM

Chip set: SiRFstarIII GSC3-LP Sony CXD2985 uNav uN8021 + uN2110

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