TRM-418-LT (Linx Technologies Inc) Datasheet资料下载 PDF(22/44 页)

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参数资料

型号：	TRM-418-LT
厂商：	Linx Technologies Inc
文件页数：	22/44页
文件大小：	0K
描述：	TRANSCEIVER RF 418MHZ LT SERIES
特色产品：	LT Series Long-Range RF Transceiver Modules
标准包装：	34
系列：	LT
频率：	418MHz
数据传输率 - 最大：	10kbps
调制或协议：	AM，OOK
应用：	双向传呼，ISM，机器人，遥测
功率 - 输出：	10dBm
灵敏度：	-112dBm
电源电压：	2.1 V ~ 3.6 V
电流 - 接收：	6.1mA
电流 - 传输：	12mA
数据接口：	PCB，表面贴装
天线连接器：	PCB，表面贴装
工作温度：	-40°C ~ 85°C
封装/外壳：	表面安装
包装：	管件

Protocol Guidelines

While many RF solutions impose data formatting and balancing require-

ments, Linx RF modules do not encode or packetize the signal content in

any manner. The received signal will be affected by such factors as noise,

edge jitter and interference, but it is not purposefully manipulated or altered

by the modules. This gives the designer tremendous flexibility for protocol

design and interface.

Despite this transparency and ease of use, it must be recognized that there

are distinct differences between a wired and a wireless environment. Issues

such as interference and contention must be understood and allowed for in

the design process. To learn more about protocol considerations, read Linx

Application Note AN-00160.

Errors from interference or changing signal conditions can cause corruption

of the data packet, so it is generally wise to structure the data being sent

into small packets. This allows errors to be managed without affecting large

amounts of data. A simple checksum or CRC could be used for basic error

detection. Once an error is detected, the protocol designer may wish to

simply discard the corrupt data or implement a more sophisticated scheme

to correct it.

– 18 –

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