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01/28/02 08:22
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#19146 - Protection for RS-232 with opto couplers
I have used 89C52, and its TXD & GND for Max-232. The output I am giving to PC.Some times back my 2 boards got damaged due to feed back from PC.So how can I protect my circuitary from this. Can I use opto-isolators? if so how

List of 15 messages in thread
TopicAuthorDate
Protection for RS-232 with opto couplers            01/01/70 00:00      
RE: Protection for RS-232 with opto couplers            01/01/70 00:00      
RE: Protection for RS-232 with opto couplers            01/01/70 00:00      
RE: Protection for RS-232 with opto couplers            01/01/70 00:00      
RE: Protection for RS-232 Rob            01/01/70 00:00      
RE: Protection for RS-232 Erik            01/01/70 00:00      
RE: Protection for RS-232 with opto couplers            01/01/70 00:00      
RE: 4N35 + MAX232            01/01/70 00:00      
RE: 4N35 + MAX232            01/01/70 00:00      
RE: 4N35 + MAX232            01/01/70 00:00      
RE: Protection for RS-232 with opto couplers            01/01/70 00:00      
RE: Protection for RS-232 with opto couplers            01/01/70 00:00      
RE: Protection for RS-232 with opto couplers            01/01/70 00:00      
RE: Protection for RS-232 with opto couplers            01/01/70 00:00      
RE: Protection for RS-232 with opto couplers            01/01/70 00:00      

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