Hello,
I attach an optocoupler interface based on 4N25, which is used to convert 5V TTL to 12V. It has been tested and it works. It was made several years ago. Now, I want to do something similar, instead of 12V output, I need 24V. So I suppose the only thing that changes is the supply voltage.
I also attach a circuit using the 74LS07. My question is, which one is better? I'm trying to design another interface like the 4N25 one, but I'm curious about the new enhaced chips nowadays that could be another solution.
I attach an optocoupler interface based on 4N25, which is used to convert 5V TTL to 12V. It has been tested and it works. It was made several years ago. Now, I want to do something similar, instead of 12V output, I need 24V. So I suppose the only thing that changes is the supply voltage.
I also attach a circuit using the 74LS07. My question is, which one is better? I'm trying to design another interface like the 4N25 one, but I'm curious about the new enhaced chips nowadays that could be another solution.
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