
1575MHz/1900MHz Variable-IP3
Low-Noise Amplifiers
Typical Operating Characteristics
(P IN = -30dBm, input and output are terminated to 50 ? , V CC = +3V, high-gain and low-gain modes are applicable only to the MAX2656,
T A = +25 ° C, unless otherwise noted.)
8
7
6
5
MAX2654
SUPPLY CURRENT vs. SUPPLY VOLTAGE
14
12
10
MAX2654
SHUTDOWN CURRENT vs. TEMPERATURE
2.0
1.5
MAX2654
INPUT LOGIC VOLTAGE vs. TEMPERATURE
INPUT LOGIC HIGH AT V RFOUT
4
3
2
T A = -40 ° C
T A = +85 ° C
T A = +25 ° C
8
6
4
V CC = +6V
1.0
INPUT LOGIC LOW AT V RFOUT
1
2
0
0
V CC = +3V
0.5
2
3
4
5
6
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
SUPPLY VOLTAGE (V)
MAX2654
INPUT LOGIC CURRENT vs. TEMPERATURE
TEMPERATURE ( ° C)
MAX2654
INPUT LOGIC CURRENT vs. TEMPERATURE
TEMPERATURE ( ° C)
MAX2654
INPUT IP3 vs. TEMPERATURE
8
INPUT LOGIC HIGH AT V RFOUT
60
INPUT LOGIC LOW AT V RFOUT
-6
f 1 = 1570 MHz
f 2 = 1580 MHz
7
6
4
0
55
50
45
40
-7
-8
-9
-10
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
16
14
TEMPERATURE ( ° C)
MAX2654
GAIN vs. FREQUENCY
15
TEMPERATURE ( ° C)
MAX2654
GAIN vs. SUPPLY VOLTAGE
3.2
3.0
TEMPERATURE ( ° C)
MAX2654
NOISE FIGURE vs. FREQUENCY
12
10
14
13
T A = +85 ° C
T A = +25 ° C
T A = -40 ° C
2.8
2.6
8
2.4
6
4
2
12
11
2.2
2.0
1.8
0
10
f 0 = 1575MHz
1.6
1000 1200
1400
1600 1800
2000
2200
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
1000
1200
1400
1600
1800
2000
FREQUENCY (MHz)
SUPPLY VOLTAGE (V)
FREQUENCY (MHz)
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5