参数资料
型号: RXM-433-LR_
厂商: Linx Technologies Inc
文件页数: 16/40页
文件大小: 0K
描述: RECEIVER 433MHZ LR SERIES
标准包装: 25
系列: LR
频率: 433MHz
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-433-LR
RXM-433-LR_-ND
Using the RSSI Pin
The receiver’s Received Signal Strength Indicator (RSSI) line serves a
variety of functions. This line has a dynamic range of 80dB (typical) and
outputs a voltage proportional to the incoming signal strength. It should be
noted that the RSSI levels and dynamic range will vary slightly from part
to part. It is also important to remember that RSSI output indicates the
strength of any in-band RF energy and not necessarily just that from the
intended transmitter; therefore, it should be used only to qualify the level
and presence of a signal.
The RSSI output can be utilized during testing or even as a product feature
to assess interference and channel quality by looking at the RSSI level
with all intended transmitters shut off. The RSSI output can also be used
in direction-finding applications, although there are many potential perils to
consider in such systems. Finally, it can be used to save system power by
“waking up” external circuitry when a transmission is received or crosses a
certain threshold. The RSSI output feature adds tremendous versatility for
the creative designer.
– 12 –
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