AWT6123
Figure 3: Application Block Diagram For Single Output Power Control
DCS/PCS_IN
DCS/PCS_OUT
V
APC_DCS/PCS
V
CCA_DCS/PCS
Reg
EN_A
V
REG_DCS/PCS
~3.5mA
~3.5mA V
REG_GSM
V
CCA_GSM
V
APC_GSM
DCS/PCS Bias
V
CCB
To
Filter/
Switch
Reg
EN_B
GSM Bias
GSM_IN
GSM
_OUT
BAND
GSM800/900
DCS/PCS
EN_A
OFF
ON
EN_B
ON
OFF
Power Control IC
-3.0 to +3.0mA
Vramp
Figure 4: Application Block Diagram For Dual Output Power Control
DCS/PCS_IN
DCS/PCS_OUT
To
Filter/
Switch
V
APC_DCS/PCS
V
CCA_DCS/PCS
Reg
EN
DCS/PCS Bias
V
REG_DCS/PCS
V
REG_GSM
~7mA
V
CCA_GSM
V
APC_GSM
V
CCB
GSM Bias
GSM
_IN
GSM_OUT
To
Filter/
Switch
Power Control IC
-3.0 to +3.0mA
-3.0 to +3.0mA
Vramp
Note: Power control outputs need to sink current to power down each power amplifier
Advanced Product Information - Rev 0.7
02-2003
3
ANADIGICS [ ANADIGICS, INC ]
