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4N25 Optocoupler No current flow
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timothy.j.ronan 7 years ago
![enter image description here][1] [1]: /editor/20170217/58a67692847e3.png When I run simulation I get zero current in the ammeter. The input of the opto is an LED and should act like one. If i put an LED across the Opto input terminals (As shown in diagram) I get the expected current flow. Can anyone tell me what I'm doing wrong with the opto (ignore the output circuit of the opto its not finished yet) to stop it acting like its open circuit?
Comments
support 7 years ago
Can't support to simulation this
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andyfierman 7 years ago
I think the symbol you have chosen for the 4N25 has no simulation model associated with it. There is however a simulatable model for an opto-coupler. Please see: https://easyeda.com/forum/topic/How_to_find_simulatable_parts_in_EasyEDA-1YgasK2kC
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