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Preliminary
4-49
RF2376
Rev A2 010829
4
IGC versus VGC
(VCC=3.0V, VGC=2.0V to 0.0V)
-3000.0
-2500.0
-2000.0
-1500.0
-1000.0
-500.0
0.0
500.0
1000.0
1500.0
0.
0
0.
1
0.
2
0.
3
0.
4
0.
5
0.
6
0.
7
0.
8
0.
9
1.
0
1.
1
1.
2
1.
3
1.
4
1.
5
1.
6
1.
7
1.
8
1.
9
2.
0
VGC (V)
Igc [uA]
Gain & OIP3 versus VGC
(CDMA Frequency 836MHz, VCC=3.0V, VGC=2.0V to 0.0V)
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
0.00.1 0.20.3 0.40.5 0.60.7 0.80.9 1.01.1 1.21.3 1.41.5 1.61.7 1.81.9 2.0
VGC (V)
Gain [dB]
OIP3 [dBm]
Gain versus Input Power
(Frequency 836MHz, VCC=3.0V)
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
-25.0
-20.0
-15.0
-10.0
-5.0
0.0
5.0
10.0
Input Power (dBm)
Gain[dB]@Vgc 2.0V
Gain[dB]@Vgc 1.5V
Gain[dB]@Vgc 1.0V
Gain[dB]@Vgc 0.5V
Gain[dB]@Vgc 0.3V
Output Power versus Input Power
(Frequency 836MHz, VCC=3.0V, VGC=2.0V)
-60.0
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
-25.0
-20.0
-15.0
-10.0
-5.0
0.0
5.0
10.0
Input Power (dBm)
Pout[dBm]@Vgc 2.0V
Pout[dBm]@Vgc 1.5V
Pout[dBm]@Vgc 1.0V
Pout[dBm]@Vgc .5V
Pout[dBm]@Vgc 0.3V
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