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1575MHz/1900MHz Variable-IP3
Low-Noise Amplifiers
Typical Operating Characteristics (continued)
(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.)
MAX2656
GAIN vs. FREQUENCY
MAX2656
GAIN vs. FREQUENCY
MAX2656
GAIN vs. R BIAS
16
14
12
R BIAS = 392 ? ± 1%
HIGH-GAIN MODE
4
3
2
R BIAS = 392 ? ± 1%
LOW-GAIN MODE
18
17
16
15
f IN = 1960MHz
HIGH-GAIN MODE
T A = -40 ° C
10
R BIAS = 511 ? ± 1%
1
14
13
8
0
R BIAS = 511 ? ± 1%
12
6
R BIAS = 698 ? ± 1%
-1
11
10
T A = +25 ° C
4
2
0
-2
-3
-4
R BIAS = 715 ? ± 1%
9
8
7
6
T A = +85 ° C
1000 1200 1400
1600 1800
2000 2200
1000 1200 1400
1600 1800 2000 2200
200
400
600
800
1000 1200 1400 1600
FREQUENCY (MHz)
MAX2656
GAIN vs. R BIAS
FREQUENCY (MHz)
MAX2656
GAIN vs. SUPPLY VOLTAGE
R BIAS ( ? )
MAX2656
GAIN vs. SUPPLY VOLTAGE
4
3
f IN = 1960MHz
LOW-GAIN MODE
3
R BIAS = 511 ? ±1%
f IN = 1960MHz
LOW-GAIN MODE
T A = -40° C
16.0
15.5
R BIAS = 511 ? ±1%
f 1 = 1960MHz
HIGH-GAIN MODE
2
T A = -40 ° C
2
1
15.0
T A = -40 ° C
T A = +25 ° C
0
T A = +25 ° C
1
T A = +25° C
T A = +85°C
14.5
T A = +85 ° C
-1
T A = +85 ° C
-2
0
14.0
200
400
600
800
1000 1200 1400 1600
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
R BIAS ( ? )
MAX2656
NOISE FIGURE vs. FREQUENCY
SUPPLY VOLTAGE (V)
MAX2656
NOISE FIGURE vs. TEMPERATURE
SUPPLY VOLTAGE (V)
MAX2656
INPUT/OUTPUT RETURN LOSS vs. FREQUENCY
2.4
2.2
2.0
R BIAS = 392 ? ± 1%
R BIAS = 715 ? ± 1%
2.4
2.2
2.0
1.8
f 1 = 1960MHz
R BIAS = 511 ? ± 1%
0
-2
-4
-6
-8
-10
-12
LOW-GAIN MODE
INPUT
RETURN LOSS
OUTPUT
RETURN LOSS
1.8
1.6
-14
1.6
R BIAS = 511 ? ± 1%
1.4
1.2
-16
-18
-20
-22
1.4
1.0
-24
1500 1600 1700 1800 1900 2000 2100 2200 2300
-40
-20
0
20
40
60
80
1000 1200 1400
1600 1800 2000
2200
FREQUENCY (MHz)
TEMPERATURE ( ° C)
FREQUENCY (MHz)
10
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MAX2656EXT-T 功能描述:射频放大器 1575MHz/1900MHz Variable-IP3 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:Low Noise Amplifier 工作频率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 输出截获点:37.5 dBm 功率增益类型:32 dB 噪声系数:0.85 dB 工作电源电压:5 V 电源电流:125 mA 测试频率:2.6 GHz 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-16 封装:Reel
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