Sierra Wireless AirLink FXT Series Dokumentacja Pobierz pdf (Strona 34)

WA_DEV_FEX20_PTS_004 Rev 001 June 30, 2010 34

Expansion Card Product Technical

Specification

Signals and Indicators

5.4. GSM-2V8 and GSM-1V8 Output

These outputs must be used as reference or as a pull-up resistor supplies only. The voltage supplies

are available when the Fastrack Xtend is ON.

5.4.1. Pin Description

Refer to the following table for the pin description of the GSM-2V8 and GSM-1V8 output.

Table 28: GSM-2V8 and GSM-1V8 Output Pin Description

Pin Number

Signal

I/O

I/O Type

Description

GSM-2V8

Supply

Digital supply

GSM-1V8

Supply

Digital supply

5.4.2. Electrical Characteristics

Refer to the following table for the electrical characteristics of the GSM-2V8 and GSM-1V8 output.

Table 29: Electrical Characteristics of GSM-2V8 and GSM-1V8 Output

Parameter

Minimum

Typical

Maximum

Unit

GSM-2V8

Output voltage

2.74

2.8

2.86

Output current

GSM-1V8

Output voltage

1.76

1.8

1.94

Output current

5.5. Analog to Digital Converter

One Analog to Digital Converter input is available from the Expansion Card. The converter is a 10-bit

resolution ADC ranging from 0 to 2V.

5.5.1. Pin Description

Refer to the following table for the pin description of the analog to digital converter.

Table 30: Analog to Digital Pin Description

Pin Number

Signal

I/O

I/O Type

Description

AUX-ADC

Analog

A/D converter

5.5.2. Electrical Characteristics

Refer to the following table for the electrical characteristics of the analog to digital converter.

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 59 60

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