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| 型号： | RXM-418-LR_ |
| 厂商： | Linx Technologies Inc |
| 文件页数： | 15/40页 |
| 文件大小： | 0K |
| 描述： | RECEIVER 418MHZ LR SERIES |
| 标准包装： | 25 |
| 系列： | LR |
| 频率： | 418MHz |
| 灵敏度： | -112dBm |
| 数据传输率 - 最大： | 10 kbps |
| 调制或协议： | ASK，OOK |
| 应用： | ISM，车库门开启器，RKE |
| 电流 - 接收： | 5mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 特点： | 远程 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 70°C |
| 封装/外壳： | 16-SMD 模块 |
| 包装： | 管件 |
| 其它名称： | RXM-418-LR RXM-418-LR-S |
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Power Supply Requirements
The module does not have an internal volt-
age regulator, therefore it requires a clean,
well-regulated power source. While it is
preferable to power the unit from a battery,
it can also be operated from a power supply
as long as noise is less than 20mV. Power
supply noise can significantly affect the
receiver sensitivity, therefore; providing clean
power to the module should be a high priority
Figure 14: Supply Filter
during design.
A 10 Ω resistor in series with the supply followed by a 10μF tantalum
capacitor from VCC to ground will help in cases where the quality of the
supply power is poor. Operation from 4.3V to 5.2V requires an external
330-ohm series resistor to prevent VCC from exceeding 3.6V. These values
may need to be adjusted depending on the noise present on the supply
line.
Using the PDN Pin
The Power Down (PDN) line can be used to power down the receiver
without the need for an external switch. This line has an internal pull-up, so
when it is held high or simply left floating, the module will be active.
When the PDN line is pulled to ground, the receiver will enter into a low-
current (<40μA) power-down mode. During this time the receiver is off and
cannot perform any function. It may be useful to note that the startup time
coming out of power-down will be slightly less than when applying V CC .
The PDN line allows easy control of the receiver state from external compo-
nents, like a microcontroller. By periodically activating the receiver, checking
for data, then powering down, the receiver’s average current consumption
can be greatly reduced, saving power in battery-operated applications.
Note: The voltage on the PDN line should not exceed V CC . When used
with a higher voltage source, such as a 5V microcontroller, an open
collector line should be used or a diode placed in series with the
control line (anode toward the module). Either method avoids damage
to the module by preventing 5V from being placed on the PDN line
while allowing the line to be pulled low.
– 11 –
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| RXM-418-LR_ | 功能描述:RECEIVER 418MHZ LR SERIES RoHS:是 类别:RF/IF 和 RFID >> RF 接收器 系列:LR 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 09/Jan/2012 标准包装:50 系列:* 频率:850MHz ~ 2.175GHz 灵敏度:- 数据传输率 - 最大:- 调制或协议:- 应用:* 电流 - 接收:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 特点:- 电源电压:4.75 V ~ 5.25 V 工作温度:0°C ~ 85°C 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| RXM-418-RM | 功能描述:RECEIVER RF 418MHZ RoHS:否 类别:RF/IF 和 RFID >> RF 接收器 系列:RM 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 09/Jan/2012 标准包装:50 系列:* 频率:850MHz ~ 2.175GHz 灵敏度:- 数据传输率 - 最大:- 调制或协议:- 应用:* 电流 - 接收:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 特点:- 电源电压:4.75 V ~ 5.25 V 工作温度:0°C ~ 85°C 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| RXM430-408 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| RXM-433-LC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LC SERIES TRANSMITTER MODULE |
| RXM-433-LC-P | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LC SERIES RECEIVER MODULE DATA |
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