Datenblatt-Suchmaschine für elektronische Bauteile |
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LM1893 Datenblatt(PDF) 1 Page - National Semiconductor (TI) |
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LM1893 Datenblatt(HTML) 1 Page - National Semiconductor (TI) |
1 / 24 page TLH6750 April 1995 LM1893LM2893 Carrier-Current Transceiver General Description Carrier-current systems use the power mains to transfer in- formation between remote locations This bipolar carrier- current chip performs as a power line interface for half-du- plex (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 demodula- tor and impulse noise filter combine to give maximum range A complete system may consist of the LM1893 a COPSTM controller and discrete components Features Y Noise resistant FSK modulation Y User-selected impulse noise filtering Y Up to 48 kBaud data transmission rate Y Strings of 0’s or 1’s in data allowed Y Sinusoidal line drive for low RFI Y Output power easily boosted 10-fold Y 50 to 300 kHz carrier frequency choice Y TTL and MOS compatible digital levels Y Regulated voltage to power logic Y Drives all conventional power lines Applications Y Energy management systems Y Home convenience control Y Inter-office communication Y Appliance control Y Fire alarm systems Y Security systems Y Telemetry Y Computer terminal interface Typical Application TLH6750 – 1 FIGURE 1 Block diagram of carriercurrent chip with a complement of discrete components making a complete FOe125 kHz fDATAe360 Baud transceiver Use caution with this circuitdangerous line voltage is present BI-LINETM and COPSTM are trademarks of National Semiconductor Corp Carrier-Current Transceivers are also called Power Line Carrier (PLC) transceivers C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
Ähnliche Teilenummer - LM1893 |
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Ähnliche Beschreibung - LM1893 |
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