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3.4GHz to 3.8GHz SiGe
Low-Noise Amplifier/PA Predriver
Typical Operating Characteristics (continued)
(MAX2645 EV kit, V CC = +3.3V, R BIAS = 20k ? , f RFIN = 3550MHz, T A = +25 ° C, unless otherwise noted.)
GAIN vs. FREQUENCY
(HIGH-GAIN MODE)
GAIN vs. FREQUENCY
(LOW-GAIN MODE)
GAIN vs. SUPPLY VOLTAGE
(HIGH-GAIN MODE)
17
16
-5
-6
15.0
14.8
T A = -40 ° C
15
14
13
12
11
T A = +25 ° C
T A = -40 ° C
T A = +85 ° C
-7
-8
-9
-10
-11
T A = -40 ° C
T A = +25 ° C
14.6
14.4
14.2
14.0
13.8
T A = +25 ° C
T A = +85 ° C
10
9
-12
-13
T A = +85 ° C
13.6
13.4
8
7
LOW-NOISE FIGURE CIRCUIT
-14
-15
LOW-NOISE FIGURE CIRCUIT
13.2
13.0
LOW-NOISE FIGURE CIRCUIT
3.4
3.5
3.6
3.7
3.8
3.4
3.5
3.6
3.7
3.8
3.0
3.5
4.0
4.5
5.0
5.5
-7.0
-7.5
FREQUENCY (GHz)
GAIN vs. SUPPLY VOLTAGE
(LOW-GAIN MODE)
26.0
25.5
FREQUENCY (GHz)
GAIN STEP
vs. SUPPLY VOLTAGE
15.0
SUPPLY VOLTAGE (V)
GAIN vs. R BIAS
(HIGH-GAIN MODE)
-8.0
T A = -40 ° C
25.0
14.8
-8.5
T A = +25 ° C
24.5
T A = +25 ° C
14.6
V CC = 5V
-9.0
24.0
-9.5
-10.0
T A = +85 ° C
23.5
23.0
T A = +85 ° C
T A = -40 ° C
14.4
14.2
V CC = 3.3V
-10.5
22.5
-11.0
LOW-NOISE FIGURE CIRCUIT
22.0
LOW-NOISE FIGURE CIRCUIT
14.0
LOW-NOISE FIGURE CIRCUIT
3.0
3.5
4.0
4.5
5.0
5.5
3.0
3.5
4.0
4.5
5.0
5.5
15.0
17.5
20.0
22.5
25.0
-10.0
-10.2
SUPPLY VOLTAGE (V)
GAIN vs. R BIAS
(LOW-GAIN MODE)
5
SUPPLY VOLTAGE (V)
NOISE FIGURE vs. FREQUENCY
(HIGH-GAIN MODE)
20
19
R BIAS (k ? )
NOISE FIGURE vs. FREQUENCY
(LOW-GAIN MODE)
-10.4
-10.6
-10.8
-11.0
-11.2
-11.4
-11.6
-11.8
V CC = 5V
V CC = 3.3V
4
3
2
1
18
17
16
15
14
13
12
11
-12.0
LOW-NOISE FIGURE CIRCUIT
0
LOW-NOISE FIGURE CIRCUIT
10
LOW-NOISE FIGURE CIRCUIT
15.0
17.5
20.0
22.5
25.0
3.4
3.5
3.6
3.7
3.8
3.4
3.5
3.6
3.7
3.8
R BIAS (k ? )
FREQUENCY (GHz)
FREQUENCY (GHz)
_______________________________________________________________________________________
5
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相关代理商/技术参数
MAX2648EBT 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX2648EBT-T 功能描述:射频放大器 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
MAX2648EBT-T10 功能描述:射频放大器 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
MAX2648EVKIT 功能描述:放大器 IC 开发工具 RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V
MAX2648PCB 功能描述:射频放大器 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
MAX2649CCM 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX2649EBT 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX2649EBT-T 功能描述:射频放大器 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