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Forum 电力线通信芯片SM2200
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  • 电力线通信
  • sm2200
Related

电力线通信芯片SM2200

铁丝19
铁丝19 over 14 years ago

来源:电子发烧友

 

SM2200使电力线通信变得更加可靠和经济高效。电力线通信一直受到众多公共事业单位的青睐,因为这对他们来讲是最自然的方式,可以让这些单位在他们自己管理的基础设施上快速地完成数据传送。长期以来,电力线通信解决方案始终无法摆脱嘈杂噪声等因素的影响。今天SM2200的推出将会终结这个时代。”

面向SM2200的应用包括高级电表架构与自动抄表系统、路灯控制系统、智能化家庭电力管理、家庭自动化、楼宇自动化以及其他各类需要利用供电线路进行通信的应用部署。目前,SM2200所采用的技术已经在中国地区1000多个节点上成功地完成了测试和部署。
SM2200中内置了一个具备简单物理层通信协议的完整数据包调制解调器。通过与微控制器(MCU)的整合,提供了一个面向数据链路和点到点、星型或ad hoc网络的经济高效的通信解决方案。
SM2200的特有功能包括:
  • 可编程调制技术,有效提升通信的可靠性:OFDMA通信收发器具有54块载波和多达18条信道
  • 噪声环境下的高速率数据传送:用户能够灵活选择面向高载波电压和高噪声抗扰的BPSK调制或面向高速率数据传送的QPSK调制。
  • 窄带仿真和低频模式(将信道放入CENELEC频率范围)
  • 对每个载波可选择频率范围
  • 传输功率自动调校
  • 错误自动纠正
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