LM1893 LM2893 Carrier-Current Transceiver April 1995 LM1893 LM2893 Carrier-Current Transceiver General Description Carrier-current systems use the power mains to transfer information between remote locations This bipolar carriercurrent chip performs as a power line interface for half-duplex (bi-directional) communication of serial bit streams of virtually any coding In transmission a sinusoidal carrier is FSK modulated and impressed on most any power line via a rugged on-chip driver In reception a PLL-based demodulator and impulse noise filter combine to give maximum range A complete system may consist of the LM1893 a COPSTM controller and discrete components Y Y Y Y Y Output power easily...

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