AWU6601
HELP3
AWU6601 requires only two calibration sweeps for
TheꢀAWU6601ꢀpowerꢀamplifierꢀmoduleꢀisꢀbasedꢀonꢀ
ANADIGICS proprietary HELP3™ technology. The
PA is designed to operate up to 17 dBm in the low
power mode, thus eliminating the need for three gain
state, while still maintaining low quiescent current
andꢀhighꢀefficiencyꢀinꢀlowꢀandꢀmediumꢀpowerꢀlevels.ꢀ
TheꢀPAꢀcanꢀstillꢀbeꢀoperatedꢀasꢀ3ꢀgainꢀstateꢀdeviceꢀ
if the customer chooses to. The directional “daisy
chainable” coupler is integrated within the PA module,
therefore there is no need for external couplers.
systemꢀcalibration,ꢀthusꢀsavingꢀcalibrationꢀtime.ꢀ
Figure 16 shows one application example on mobile
board. C1 and C2 are RF bypass caps and should
be placed nearby pin 1 and pin 10. Bypass caps
C9ꢀandꢀC5ꢀmayꢀnotꢀbeꢀneeded.ꢀAlsoꢀaꢀ“T”ꢀmatchingꢀ
topology is recommended at PA RFIN and RFOUT
portsꢀtoꢀprovideꢀmatchingꢀbetweenꢀinputꢀTXꢀFilterꢀandꢀ
Duplexer / Isolator.
TheꢀAWU6601ꢀ hasꢀ anꢀ integratedꢀ voltageꢀ regulator,ꢀ
which eliminates the need for an external constant
voltageꢀ source.ꢀ Theꢀ PAꢀ isꢀ turnꢀ on/offꢀ isꢀ controlledꢀ
by VEN pin. A single VMODEꢀcontrolꢀlogicꢀ(VMODE1)ꢀisꢀ
neededꢀtoꢀoperateꢀthisꢀdevice.
Figure 15: PDF and Current
0.150
0.140
0.130
0.120
0.110
0.100
0.090
0.080
0.070
0.060
0.050
0.040
0.030
0.020
0.010
0.000
500
450
400
350
300
250
200
150
100
50
DG09 PDF
AWU6601 (mA)
Theꢀ DG09ꢀ powerꢀ distributionꢀ (figꢀ 15)ꢀ highlightsꢀ theꢀ
needꢀtoꢀimproveꢀtheꢀcurrentꢀconsumptionꢀinꢀlowꢀandꢀ
mediumꢀpowerꢀlevel.ꢀTheꢀAWU6601ꢀisꢀdesignedꢀtoꢀ
operate up to 17 dBm in the low power mode with
veryꢀlowꢀquiescentꢀcurrent.ꢀCurrentꢀconsumptionꢀforꢀ
AWU6601ꢀisꢀalsoꢀplottedꢀinꢀtheꢀfigureꢀ5.
0
-60
-50
-40
-30
-20
-10
0
10
20
30
Antenna Power (dBm)
VBATT
C6
GND
C1
C2
GND
at slug
GND
GND
RFOUT
VCC
VBATT
C4
C10
C7
L2
C8
RFIN
TX filter
Duplexer
RFOUT
RFIN
VMODE2 (N/C)
L1
CPLIN
50Ω
VMODE1
VEN
GND
CPLOUT
GND
C9
GND
GND
GND
(N/C)
BB
To
Detector
PA_R1
PA_R0
C5
PA_0N
GND
Figure 16: Typical Application Circuit
Data Sheet - Rev 2.0
10/2009
10
ANADIGICS [ ANADIGICS, INC ]
