AWT6277RM20P9 ANADIGICS [ANADIGICS, Inc], AWT6277RM20P9 Datasheet - Page 5

• Manufacturer Part Number: AWT6277RM20P9
• Description: HELPTM IMT/WCDMA 3.4 V/28.5 dBm Linear Power Amplifier Module
• Manufacturer: ANADIGICS [ANADIGICS, Inc]

APPLICATION INFORMATION
To ensure proper performance, refer to all related
Application Notes on the ANADIGICS web site:
http://www.anadigics.com
Shutdown Mode
The power amplifier may be placed in a shutdown
mode by applying logic low levels (see Operating
Ranges table) to both the V
Bias Modes
The power amplifier may be placed in either a Low Bias
mode or a High Bias mode by applying the appropriate
RF IN
VMODE
Shutdown
APPLICATION
WCDMA - low power
WCDMA - med power
WCDMA - high power
VREF
VCC1
REF
0.01µF
and V
C1
Figure 3: Application Circuit Schematic
7 < P
C2
0.01µF
MODE
>+16 dBm
<+7 dBm
OUT
LEVELS
voltages.
Table 5: Bias Control
1
2
3
4
5
P
< +16 dBm
Data Sheet - Rev 2.1
OUT
-
V
RF
GND
V
V
CC
MODE
REF
IN
11/2008
GND
at slug
logic level (see Operating Ranges table) to the V
voltage. The Bias Control table lists the recommended
modes of operation for various applications.
Three operating modes are recommended to optimize
current consumption. High Bias/High V
mode is for P
the PA should be “Mode Switched” to Low Bias Mode.
For P
to 1.5 V (Low Bias Mode is also used for this P
range).
RF
GND
GND
GND
Shutdown
V
OUT
MODE
CC
BIAS
High
Low
Low
OUT
10
9
8
7
6
levels < ~7 dBm, the V
OUT
+2.85 V +2.85 V
+2.85 V +2.85 V
+2.85 V
V
0 V
C3
0.01µF
levels > 16 dBm. At ~16dBm - 7 dBm,
REF
V
0 V
0 V
MODE
C4
2.2µF ceramic
CC
+1.5
+3.4
+3.4
V
VCC2
can be switched
-
CC
CC
AWT6277R
operating
RF OUT
MODE
OUT
5