13

aWt6280

Data Sheet - Rev 2.1

11/2008

aPPLICatION INFOrMatION

Figure 4: recommended application Circuit

GSM850/900 RF INPUT

1

2

3

4

5

6

7

16

15

14

13

12

11

10

8

9

18

17

DCS/PCS_IN

BS

TX_EN

GSM_IN

GND

GND

GSM_OUT

N/C

GND

GND

DCS/PCS_OUT

aWt6280

DCS/PCS RF INPUT

BAND SELECT

TX ENABLE

DAC OUTPUT

BATTERY

VOLTAGE

* Component values depends on baseband chipset used.

** This component should be placed as close to the device pin as possible.

++ These components are recommended as good design practice for improving noise

rejection characteristics. The values specified are not critical as they may not be required in the

final application.

asM

or

FeM