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MAX2769B
Universal GPS Receiver
Typical Operating Characteristics
(MAX2769B EV kit, V CC_ = 2.7V to 3.3V, T A = -40°C to +85 N C, PGM = Ground. Registers are set to the default power-up states. LNA
input is driven from a 50 I source. All RF measurements are done in the analog output mode with ADC bypassed. PGA gain is set
to 51dB gain by serial-interface word GAININ = 111010. Maximum IF output load is not to exceed 10k I ||7.5pF on each pin. Typical
values are at V CC_ = 2.85V and T A = +25 N C, unless otherwise noted.)
120
100
CASCADED RECEIVER GAIN
vs. PGA GAIN CODE
T A = -40°C
2.0
1.5
CASCADED GAIN AND NOISE FIGURE
vs. TEMPERATURE
MAX2769B toc02
120
115
40
30
20
LNA1 |S21| AND |S12|
vs. FREQUENCY
|S21|
80
T A = +25°C
1.0
AGC GAIN
NOISE FIGURE
110
105
10
0
-10
|S12|
60
T A = +85°C
0.5
100
95
-20
-30
-40
40
0 5 10 15 20 25 30 35 40 45 50 55 60 65
0
-40
-15
10
35
60
85
90
-50
0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
PGA GAIN CODE (DECIMAL FORMAT)
TEMPERATURE (°C)
FREQUENCY (GHz)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
LNA1 GAIN AND NOISE FIGURE
vs. LNA1 BIAS DIGITAL CODE
MAX2769B toc04
GAIN
NOISE FIGURE
25
20
15
10
5
1.4
1.2
1.0
0.8
0.6
0.4
0.2
LNA1 GAIN AND NOISE FIGURE
vs. TEMPERATURE
MAX2769B toc05
LNA BIAS = 1000
NOISE FIGURE     GAIN
19.6
19.4
19.2
19.0
18.8
18.6
18.4
18.2
18.0
5.0
2.5
0
-2.5
-5.0
-7.5
-10.0
-12.5
LNA1 INPUT 1dB COMPRESSION POINT
vs. LNA1 BIAS DIGITAL CODE
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0
0
-40
-15
10
35
60
85
17.8
-15.0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
LNA BIAS DIGITAL CODE (DECIMAL)
Maxim Integrated
TEMPERATURE (°C)
LNA BIAS DIGITAL CODE (DECIMAL)
5
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相关代理商/技术参数
MAX2769BEVKIT# 功能描述:射频接收器 Eval Kit for MAX2769B Universal GNSS receiver RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel
MAX2769E/W 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel
MAX2769E/W-GB6 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel
MAX2769E/W-T 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel
MAX2769E/W-TGB6 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel
MAX2769ETI+ 功能描述:射频接收器 Universal GPS Receiver RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel
MAX2769ETI+T 功能描述:射频接收器 Universal GPS Receiver RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel
MAX2769EVKIT+ 功能描述:GPS开发工具 MAX2769 Eval Kit RoHS:否 制造商:STMicroelectronics 产品:Evaluation Boards 工具用于评估:IT600, STM32F20x 频率:1.575 GHz 工作电源电压:1.8 V 接口类型:Wireless