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RXM-418-LC-S 参数 Datasheet PDF下载

RXM-418-LC-S图片预览
型号: RXM-418-LC-S
PDF下载: 下载PDF文件 查看货源
内容描述: LC系列接收器模块数据 [LC SERIES RECEIVER MODULE DATA]
分类和应用:
文件页数/大小: 9 页 / 381 K
品牌: ETC [ ETC ]
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PHYSICAL PACKAGING  
TYPICAL PERFORMANCE GRAPHS  
The receiver is packaged as a hybrid SMD module with sixteen pads spaced  
0.100" on center. The castellated SMD package allows for easy prototyping or  
hand assembly while maintaining full compatibility with automated pick-and-  
place equipment. Modules are supplied in tube packaging.  
SENSITIVITY vs. VSWR  
(VSWR)  
Supply current  
(mA)  
16  
12  
8
10.0  
6.0  
5.0  
4.0  
3.0  
2.5  
2.0  
1.5  
1.0  
4
0
2.7  
3
3.5  
4 (V)  
0
0.18  
0.5 0.9 1.25 1.94 2.53 3.10 4.80  
SENSITIVITY DECREASE (dB)  
16  
15  
14  
13  
12  
11  
10  
9
ANT  
GND  
NC  
NC  
NC  
1
2
3
4
5
6
7
8
Supply voltage  
0.812"  
NC  
Figure 4: Consumption vs. Supply Voltage  
Figure 3: Sensitivity vs. VSWR  
NC  
GND  
VCC  
PDN  
NC  
NC  
0.630"  
NC  
0.14"  
NC  
LOT 2000  
NC  
DATA  
Data Out  
Bottom View  
Data Out  
Figure 2: LC-S Series Receiver Package Dimensions  
Carrier  
Carrier  
PIN DESCRIPTIONS:  
Pin 1, 2, 3, 7, 9, 10, 11, 12, 13, 14 - NO CONNECTION  
Figure 5: RF in vs. Receiver Response Time  
Figure 6: Typical Receiver Turn-Off Time  
Attach to an isolated pad to provide support for the module. Do not make any electrical  
connection.  
Pin 4, 15 - GROUND  
Original  
Original  
Connect to quiet ground or groundplane. It is internally connected to pin 8.  
Pin 5 - POSITIVE SUPPLY (VCC 2.7 - 4.2 VDC *4.7 - 5.2 w/ external dropping resistor)  
Received  
Received  
The supply must be clean (<20mVpp), stable and free of high-frequency noise. A supply  
filter is recommended unless the module is operated from its own regulated supply or  
battery. Please note that operation from 4.7 to 5.2 volts requires the use of an external  
200 resistor placed in series with V .  
CC  
Figure 8: Original vs. Received Data  
4,800bps 80% Duty Cycle  
Figure 7: Original vs. Received Data  
4,800bps 20% Duty Cycle  
Pin 6 - POWER DOWN  
Pull this line low to put the receiver in sleep mode (700 µA). Leave floating or pull high to  
enable the receiver.  
Pin 8 - DATA OUT  
P
DN Pin  
Internally pulled to VCC. Open collector data output with internal pullup to VCC. Recovered data  
is output on this pin. Output voltage during a high bit will average VCC- 0.3V.  
Data Out  
Pin 16 - RF IN  
The receiver antenna connects to this input. It has nominal RF impedance of 50 and is  
capacitively isolated from the internal circuitry.  
Figure 9: Power-On Settling Time  
(Time to Valid Data)  
Page 5  
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