Power line communication modem

30 September 2009 Telecoms, Datacoms, Wireless, IoT

New from ON Semiconductor is the AMIS-49587, a highly integrated, standards compliant, low-power power line communication (PLC) modem for use in applications such as smart electric automatic meter reading and management, street lighting control, smart power plug and building automation. The device is based around an ARM7TDMI processor core and includes both the physical interface transceiver (PHY) and the media access controller (MAC) layers. Using the spread frequency shift keying (S-FSK) modulation technique, coupled with accurate filtering, gives robust low data rate communications on power lines over long distances. Half-duplex selectable communication speeds of 2400 bps can be achieved. A low operating frequency of less than 20 kHz with an automatic repeater function supports dependable communications by minimising communication errors.

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