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RF2938
Rev A8 010418
11
RSSI versus VGC (VCC=3.15V, Temp=25
oC, IF LO=-10dBm)
0.600
0.700
0.800
0.900
1.000
1.100
1.200
1.300
1.400
1.500
1.600
1.700
1.800
1.900
2.000
2.100
2.200
2.300
2.400
2.500
2.600
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
RF Lvl (dBm)
RSSI, VGC= 1.2V
RSSI, VGC= 1.4V
RSSI, VGC= 1.6V
RSSI, VGC= 1.8V
RSSI, VGC= 2.0V
RSSI versus VCC (VGC=1.4V, Temp=25
oC, IF LO=-10dBm)
1.000
1.100
1.200
1.300
1.400
1.500
1.600
1.700
1.800
1.900
2.000
2.100
2.200
2.300
2.400
2.500
2.600
2.700
2.800
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
RF Lvl (dBm)
RSSI, Vcc= 2.7V
RSSI, Vcc= 3.15V
RSSI, Vcc= 3.6V
PA Gain versus VCC
(PA in=2440MHz@-30dBm)
19.00
19.25
19.50
19.75
20.00
20.25
20.50
20.75
21.00
21.25
21.50
21.75
22.00
22.25
22.50
22.75
23.00
23.25
23.50
23.75
24.00
2.70
3.15
3.60
VCC (V)
-40C Gain
25C Gain
85C Gain
RSSI versus Temp (VCC=3.15V, VGC=1.4V, IF LO=-10dBm)
1.000
1.100
1.200
1.300
1.400
1.500
1.600
1.700
1.800
1.900
2.000
2.100
2.200
2.300
2.400
2.500
2.600
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
RF Lvl (dBm)
RSSI, -40°C
RSSI, +25°C
RSSI, +85°C
PA IIP3 versus VCC
(PA in=2439 & 2440MHz@13dB Below IP1dB Point)
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
2.70
3.15
3.60
VCC (V)
-40C IIP3
25C IIP3
85C IIP3
PA OP1dB versus VCC
(PA in=2440MHz)
12.00
12.25
12.50
12.75
13.00
13.25
13.50
13.75
14.00
14.25
14.50
2.70
3.15
3.60
VCC (V)
-40C OP1dB
25C OP1dB
85C OP1dB
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