Optocoupler_that_is_used_as_a_load_to_logic_translator

Published:2009/7/22 21:52:00 Author:Jessie | From:SeekIC

This circuit shows a 4N26 that is used to couple a high-voltage load to a low-voltage logic input. In this case, the value of R is chosen so that the output current is greater than 10 mA (to ensure that the 4N26 output voltage exceeds the logic-one level of the flip-flop).



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