AWT6751
APPLICATION INFORMATION
ꢀo ensure proper performance, refer to all related (see Operating Ranges table) to tꢂe VMODE pin. ꢀꢂe
Application Notes on tꢂe ANADIGICꢁ web site: Bias Control table below lists tꢂe recommended modes
ꢂttp://www.anadigics.com
of operation for various applications.
Shutdown Mode
ꢀwo operating modes are recommended to optimize
ꢀꢂe power amplifier may be placed in a sꢂutdown current consumption. higꢂ Bias/higꢂ Power operating
mode by applying logic low levels (see Operating mode is for POUꢀ levels > 17 dBm. For POUꢀ levels <
Ranges table) to tꢂe VENABLE and VMODE pads.
17 dBm, tꢂe PA can be switcꢂed to Low Power Mode
for extremely low current consumption.
Bias Modes
ꢀꢂe power amplifier may be placed in eitꢂer Low or
higꢂ Bias mode by applying tꢂe appropriate logic level
Table 8: Bias Control
BIAS
POUT
LEVELS
APPLICATION
VEN
VMODE
VCC
VBATT
MODE
Low power
(Low Bias Mode)
< +17 dBm
Low
+1.8 V +1.8 V
1.7 - 4.4 V
> 3.1 V
higꢂ power
(higꢂ Bias Mode)
> +15 dBm
-
higꢂ
+1.8 V
0 V
0 V
0 V
0.6 - 4.4 V
0.6 - 4.4 V
> 3.1 V
> 3.1 V
ꢁꢂutdown
ꢁꢂutdown
GND CPLIN
VBATT
1
16
15
14
RF_OUT B1
VBATT
10uF
100pF
0.1µF
13
12
2
RF_IN
GND
SMPS
VCC
3
VEN_B1
(optional)
100pF
0.1uF
10uF
AWT6751
VEN_B8
4
5
11
10
GND
RF_OUT B8
VMODE
6
7
8
9
APT
Control
GND
GND
CPLOUT
GND
Figure 3: Evaluation Board Schematic
data sheet - Rꢀv 2.1
01/2014
8
ANADIGICS [ ANADIGICS, INC ]
