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Preliminary
8-133
RF2461
Rev A13 010607
8
Condition T =25oC, VCC =2.75 V, RF= 880 and 881MHz, LO = 965MHz @-10 dBm
LNA Current =LNA Gain2-LNA-Gain1
IP_SET
IF_SEL
LNA GAIN
MIX GAIN
ENABLE
MIXER_GAIN
00
011
LNA_GAIN1
10
001
LNA_GAIN2
10
101
LNA Gain, Noise Figure and IIP3 versus ICC -
LNA Only (LNA High Gain)
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
ICC (mA)
-20.0
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
Gain (dB)
NF (dB)
IIP3 (dBm)
Mixer Gain, Noise Figure and IIP3 versus ICC -
Mixer (Mixer High Gain, LO=-7dBm)
-20.00
-15.00
-10.00
-5.00
0.00
5.00
10.00
15.00
20.00
25.00
10.00
15.00
20.00
25.00
30.00
35.00
40.00
ICC (mA)
-10.00
-5.00
0.00
5.00
10.00
Gain (dB)
NF (dB)
IIP3 (dBm)
Resistor (R3) versus ICC (mA) -
LNA Only (LNA High Gain)
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
200.0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
ICC (mA)
R3 (kohm)
Resistor (R2) versus ICC - Mixer (Mixer High Gain,
LO=2170@-7dBm)
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
200.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
ICC (mA)
R2 (kohm)