Linx-technologies RXM-GPS-SG Manual de usuario descargar pdf (Pagina 2)

ELECTRICAL SPECIFICATIONS

*CAUTION*

This product incorporates numerous static-sensitive components.

Always wear an ESD wrist strap and observe proper ESD handling

procedures when working with this device. Failure to observe this

precaution may result in module damage or failure.

ABSOLUTE MAXIMUM RATINGS

Supply Voltage V

+6.5 VDC

Input Battery Backup Voltage +7.0 VDC

2.85V Output Current 50 mA

Operating Temperature -30to+85°C

Storage Temperature -40 to +125 °C

Soldering Temperature +225°C for 10 seconds

*NOTE* Exceeding any of the limits of this section may lead to permanent

damage to the device. Furthermore, extended operation at these maximum

ratings may reduce the life of this device.

Table 1: SG Series Receiver Specifications

Parameter Designation Min. Typical Max. Units Notes

POWER SUPPLY

Supply Voltage V

3.0 – 4.2 VDC 1

Supply Current: I

Peak – – 46.0 mA 6

Acquisition – 32–mA6

Tracking – 28 –mA6

Standby – 1.5 – mA 6

Backup Battery Voltage V

BAT

1.3 –6.0VDC–

Backup Battery Current I

BAT

–10–µA–

2.85V Output Voltage V

OUT

2.79 2.852.91VDC–

2.85V Output Current I

OUT

––30mA3

Output Logic Low Voltage V

– – 0.25*V

OUT

VDC –

Output Logic High Voltage V

0.75*V

OUT

––VDC–

Output Logic Low Current I

–2–mA–

Output Logic High Current I

–2–mA–

Input Logic Low Voltage V

-0.3 –0.3*V

OUT

VDC –

Input Logic High Voltage V

0.7*V

OUT

– 3.6 VDC –

Input Logic Low Current I

-60 – 20 µA –

With Pull-down – – 60 µA –

Input Logic High Current I

-60 – 20 µA –

With Pull-down – – 60 µA –

Input Capacitance C

––4pF–

Output Capacitance C

OUT

––4pF4

LNA SECTION

Insertion Power Gain |S

–18 –dB5

Noise Figure NF – 0.9 – dB 5

ANTENNA PORT

RF Input Impedance R

–50–Ω –

ENVIRONMENTAL

Operating Temperature Range – -30–+85

°C–

Storage Temperature Range – -40 25 +85

°C–

RECEIVER SECTION

Receiver Sensitivity

Tracking – -159 – dBm –

Cold Start – -144 – dBm –

Acquisition Time

Hot Start (Open Sky) – – 2 S –

Hot Start (Indoor) – – 15 S –

Cold Start – 35–S–

Position Accuracy

Autonomous – – 10 m –

SBAS – – 5 m –

Altitude – – 60,000 ft –

Velocity – – 1,000 Knots –

Chipset SiRF Star III, GSC3f/LPx 7990

Firmware Version

GSW3.5.0_3.5.00.00-SDK-3EP2.01A

Frequency L1 1575.42MHz, C/A Code

Channels 20

Update Rate 1Hz

Protocol Support NMEA 0183 ver 3.0, SiRF Binary

Page 2

Page 3

ONLINE RESOURCES

• Latest News

• Data Guides

• Application Notes

• Knowledgebase

• Software Updates

If you have questions regarding this or any Linx product make

www.linxtechnologies.com your first stop. Day or night, the Linx website gives

you instant access to the latest information regarding the products and services

of Linx. It’s all here: manual and software updates, application notes, a

comprehensive knowledgebase, FCC information, and much more. Here you will

find the answers you need arranges in an intuitive format. Be sure to visit often!

www.linxtechnologies.com

Notes:

1. I

OUT

= 0

2. V

= 3.3V, I

OUT

= 0

3. V

= 3.3V

4. Output buffer

5. At 25

°C

6. With passive antenna. Active antennas will increase current consumption.

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