315MHz/434MHz Low-Power, 3V/5V
ASK/FSK Superheterodyne Receiver
Functional Diagram
LNAOUT
MIXIN+
MIXIN-
MIXOUT IFIN-
IFIN+
10
11
12
13
15
16
IMAGE
REJECTION
IF LIMITING
LNAIN
8
LNA
0 °
AMPS
Σ
LNASRC 9
AGND 14
6
XTAL1
5
XTAL2
CRYSTAL
OSCILLATOR
DIVIDE
BY 32
VCO
90 °
RSSI
ASK
R DF1
100k ?
R DF2
100k ?
4
DFA
PHASE
DETECTOR
LOOP
FILTER
3
OPA+
CS 26
DIO 27
SERIAL INTERFACE,
CONTROL REGISTERS,
FSK
FSK
DEMODULATOR
ASK DATA FILTER
2
DSA+
AND POLLING TIMER
SCLK 28
DVDD 24
DGND 23
R DF1
100k ?
R DF2
100k ?
31 PDMINA
32 PDMAXA
FSK DATA
FILTER
1
DSA-
HVIN 29
AVDD 7
3.0V
REG
3.0V
MAX1471
30 ADATA
25
FDATA
19
DSF-
18
PDMAXF
17
PDMINF
20
DSF+
21
OPF+
22
DFF
_______________________________________________________________________________________
9
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相关代理商/技术参数
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MAX1471EVSYS-433 功能描述:射频开发工具 MAX1471 Eval Kit RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
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