2.4GHz SiGe,
High IP3 Low-Noise Amplifier
Typical Operating Characteristics
(P RFIN = -30dBm, Z S = Z L = 50 ? , V CC = +3.0V, f RFIN = 2450MHz, R BIAS = 1.2k ? , T A = +25 ° C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY CURRENT vs. R BIAS
GAIN vs. SUPPLY VOLTAGE
14
12
10
R BIAS = 1.2k ?
T A = +85 ° C
13
11
9
T A = +85 ° C
22
21
20
19
R BIAS = 1.2k ?
T A = -40 ° C
8
6
7
T A = +25 ° C
18
17
16
4
T A = +25 ° C
T A = -40 ° C
5
15
T A = +25 ° C
T A = +85 ° C
2
0
3
1
T A = -40 ° C
14
13
12
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
GAIN vs. FREQUENCY
R BIAS (k ? )
GAIN vs. R BIAS
SUPPLY VOLTAGE (V)
INPUT AND OUTPUT RETURN LOSS
vs. FREQUENCY
20
19
18
R BIAS = 1.2k ?
T A = -40 ° C
19
18
T A = -40 ° C
0
-2
-4
R BIAS = 1.2k ?
17
16
17
-6
-8
OUTPUT RETURN LOSS
15
14
T A = +25 ° C
T A = +85 ° C
16
T A = +25 ° C
-10
-12
13
15
-14
12
11
10
14
13
T A = +85 ° C
-16
-18
-20
INPUT RETURN LOSS
2200
2300
2400
2500
2600
2700
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
2200
2300
2400
2500
2600
2700
FREQUENCY (MHz)
REVERSE ISOLATION vs. FREQUENCY
R BIAS (k ? )
NOISE FIGURE vs. FREQUENCY
FREQUENCY (MHz)
NOISE FIGURE vs. TEMPERATURE
-20
R BIAS = 1.2k ?
4.0
R BIAS = 1.2k ?
4.0
R BIAS = 1.2k ?
-25
-30
T A = -40 ° C
3.5
3.0
2.5
3.5
3.0
2.5
-35
-40
-45
T A = +25 ° C
T A = +85 ° C
2.0
1.5
1.0
0.5
2.0
1.5
1.0
0.5
-50
2200
2300
2400
2500
2600
2700
0
2350
2400
2450
2500
2550
0
-40
-15
10
35
60
85
FREQUENCY (MHz)
FREQUENCY (MHz)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
3
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