E-GSM900 datasheet(33/38 Pages) SILABS

Part #	E-GSM900

Description	Single 8x8 mm package CMOS process technology Intergrated GSM/GPRS transceiver including

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Manufacturer	SILABS [Silicon Laboratories]

Direct Link	http://www.silabs.com

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33 / 38 page

Aero I

Rev. 1.0

33

Pin Descriptions: Si4205-BM

Pin Number(s)

Name

Description

1, 28

RXQN, RXQP

Receive Q output (differential).

2, 3

RXIP, RXIN

Receive I output (differential).

4, 5

TXIP, TXIN

Transmit I input (differential).

6, 7

TXQP, TXQN

Transmit Q input (differential).

8

XIN

Reference frequency input from crystal oscillator.

9, 32

VDD

Supply voltage.

10

PDN

Powerdown input (active low).

11

SDO

Serial data output.

12

SEN

Serial enable input (active low).

13

SCLK

Serial clock input.

14

SDI

Serial data input.

15, 29–31

GND

Ground. Connect to ground plane on PCB.

16, 17

RFIPP, RFIPN

PCS LNA input (differential).

Use for PCS 1900 band.

18, 19

RFIDP, RFIDN

DCS LNA input (differential).

Use for DCS 1800 band.

20, 21

RFIGP, RFIGN

GSM LNA input (differential).

Used for GSM 850 or E-GSM 900 bands.

22

RFOD

DCS and PCS transmit output to power amplifier.

Used for DCS 1800 and PCS 1900 bands.

23

RFOG

GSM transmit output to power amplifier.

Used for GSM 850 and E-GSM 900 bands.

24, 25

DIAG1, DIAG2

Diagnostic output.

Can be used as digital outputs to control antenna switch functions.

26

XEN

XOUT pin enable.

27

XOUT

Clock output to baseband.

GND

1

2

3

22

23

24

25

26

27

28

RXQN

RXIP

TXQN

RXIN

TXIP

TXQP

TXIN

RFIPN

RFIDP

GND

RFIPP

RFIDN

RFIGP

RFIGN

15

16

17

18

19

20

21

8

9

10

11

12

13

14

4

5

6

7

GND

32

31

29

30

Similar Description - E-GSM900

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More results

E-GSM900 Datasheet(PDF) 33 Page - Silicon Laboratories

E-GSM900 Datasheet(HTML) 33 Page - Silicon Laboratories

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