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Yeah, I also thought about the cold junction compensation. But in the first trial, I just want to see the difference in output between room temperature and about 400 500 degrees Celcius (made by the lighter). If the result is reasonable, then I will try to improve the circuit for a more accurate...
Thank you for your reply.
Because I want to simulate the changing of voltage due to the changing of temperature. That is the reason why I use an AC input.
Hello experts,
I'm a student and I'm trying to study how an op-amp works.
I want to make an amplifier circuit using a thermocouple (TC) as the input (K-type, range about 0 - 50 mV). The output I expect is about several V. In the case of this LM358P that I'm using, I expect the output to be...
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