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  您的位置: 首页 > 颠峰对决——2008热点技术大看台

 
型号:
SX1211    厂商:SEMTECH (珠海元井电子有限公司)
技术参数

Low Rx power consumption: 3mA

Low Tx power consumption: 25 mA @ +10 dBm

Good reception sensitivity: down to -107 dBm at

25 kb/s in FSK, -113 dBm at 2kb/s in OOK

Programmable RF output power: up to +12.5 dBm

in 8 steps

Packet handling feature with data whitening and

automatic CRC generation

RSSI (Received Signal Strength Indicator) range

from Rx noise floor to 0 dBm

Bit rates up to 150 kb/s, NRZ coding

On-chip frequency synthesizer

FSK and OOK modulation

Incoming sync word recognition

Built-in Bit-Synchronizer for incoming data and

clock synchronization and recovery

5 x 5 mm TQFN package

Optimized Circuit Configuration for Low-cost

applications

性能特点
      运行频率; 863 ~ 870 MHz and 902-928 MHz ;免费许可 ISM 频率带宽 , 950 ~ 960 MHz 频宽 . 与欧洲和北美标准一致, EN 300-220 V 2.1.1 (June 2006 release) and FCC Part 15 ( 10-1-2006 edition). 在接收模式下具有极低的电流损耗,仅为 3mA (typ).5x 5 mm TQFN-32 封装 .
结构框图
应用领域
      无线安全与报警系统;无线传感器网络;自动抄表;家庭与建筑自动化;工业监控;远程无线控制
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