AWT6155
DCS/PCS_IN 1
BS 2
TX_EN 3
VBATT 4
VRAMP 5
CEXT 6
GND 7
GSM850/900_IN 8
11 DCS/PCS_OUT
GND
10 N/C
9 GSM850/900_OUT
Figure 2: Pinout (X - ray Top View)
Table 1: Pin Description
PIN
NaMe
DesCrIPtION
PIN
NaMe
DesCrIPtION
RF input to the
DCS/PCS PA. There is a
1
DCS/PCS_IN
175 shunt resistor
before the DC blocking
7
capacitor to set the input
impedance.
GND
Ground
RF Input to GSM850/900
PA. There is a 185 shunt
2
BS
Band Select Logic Input 8 GSM850/900_IN resistor before the DC
blocking capacitor to set the
input impedance.
3
TX_EN
TX Enable Logic Input
9 GSM850/900_OUT GSM900 RF Output
4
VBATT
Battery Supply
Connection
10
N/C
No Connection
Do not connect to ground
5
VRAMP
Analog Signal used to
control output power
11 DCS/PCS_OUT DCS RF Output
6
CEXT
Bypass (VREG)
2
Data Sheet - Rev 2.0
02/2009