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Circuit diagram of power line carrier communication IC-LM189

2017-01-18 03:30  
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Circuit diagram of power line carrier communication IC-LM1893 and its application
Circuit diagram of power line carrier communication IC-LM1893 and its application
LM1893 is a power line carrier communication integrated circuit developed by National Semiconductor. It contains the whole functions of sending and receiving data. It can realize half duplex communication of serial data. It only needs few exterior components to constitute and whole power line carrier communication system, which is applicable in industrial automatic control system, building data or voice communication, house-application central control, emergency call box system in hospital, fire proofing annunciator and computer data transmitting and so on. Its main features are as follows: FSK anti-noise modulation technology Pulse generator with alternative noise filtering Data transmitting rate :up to 4.8KB Sine wave carrier frequency to reduce radio frequency disturbance Radio frequency rate which can be 10 times stronger Alternative carrier frequency between 50 and 200kHz Compatible TTL and MOS logic level Adjustable voltage, power and level Ability to drive all sorts of level LM1893 working principle