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Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
Typical Operating Characteristics (continued)
(Typical Application Circuit, V PAVDD = V AVDD = V DVDD = V HVIN = +3.0V, f RF = 433.92MHz, T A = +25°C, IF BW = 280kHz, data rate
= 4kbps Manchester encoded, frequency deviation = ±50kHz, BER = 0.2% average RF power, unless otherwise noted.)
RECEIVER
FSK DEMODULATOR OUTPUT
1.6
vs. IF FREQUENCY
50
SYSTEM GAIN vs. IF FREQUENCY
48
IMAGE REJECTION vs. TEMPERATURE
40
UPPER SIDEBAND
f RF = 434MHz
1.2
0.8
30
20
10
48dB IMAGE
REJECTION
FROM RFIN
TO MIXOUT
f RF = 434MHz
46
f RF = 315MHz
0.4
0
0
-10
-20
LOWER SIDEBAND
44
42
10.4
10.5
10.6
10.7
10.8
10.9
11.0
0
5
10
15
20
25
30
-40
-15
10
35
60
85
110
IF FREQUENCY (MHz)
NORMALIZED IF GAIN vs. IF FREQUENCY
IF FREQUENCY (MHz)
S11 vs. RF FREQUENCY
TEMPERATURE ( ° C)
S11 SMITH PLOT OF RFIN
0
-4
-8
-12
0
-6
-12
433.92MHz
434MHz
-16
-20
-18
-24
400MHz
500MHz
1
10
100
200
250
300
350
400
450
500
IF FREQUENCY (MHz)
INPUT IMPEDANCE
vs. INDUCTIVE DEGENERATION
RF FREQUENCY (MHz)
INPUT IMPEDANCE
vs. INDUCTIVE DEGENERATION
90
f RF = 315MHz
MAX7032 toc17
-220
90
f RF = 434MHz
MAX7032 toc18
-150
80
-230
80
-160
70
60
50
40
30
20
1
IMAGINARY
IMPEDANCE
10
REAL IMPEDANCE
100
-240
-250
-260
-270
-280
-290
70
60
50
40
30
20
1
IMAGINARY
IMPEDANCE
REAL IMPEDANCE
10
100
-170
-180
-190
-200
-210
-220
INDUCTIVE DEGENERATION (nH)
INDUCTIVE DEGENERATION (nH)
8
_______________________________________________________________________________________
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相关代理商/技术参数
MAX7033 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:315MHz/433MHz ASK Superheterodyne Receiver with AGC Lock
MAX7033_1 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Evaluation Kit
MAX7033_11 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:315MHz/433MHz ASK Superheterodyne Receiver with AGC Lock
MAX7033_1109 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:315MHz/433MHz ASK Superheterodyne Receiver with AGC Lock
MAX7033ETJ 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:315MHz/433MHz ASK Superheterodyne Receiver with AGC Lock
MAX7033ETJ+ 功能描述:射频接收器 315MHz/433MHz ASK Superheterodyne Rec 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
MAX7033ETJ+T 功能描述:射频接收器 315MHz/433MHz ASK Superheterodyne Rec 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
MAX7033EUI 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