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analog feedback temprature regulator question


 

Hello, I am looking for a differential feedback temprature regulator project which explains the theory best it could and give practical example in simulation.
I am looking to design a very precise temprature regultor up to 1Kelvin.
Is there some material of a project I could try to learn it?
Thanks.


 

This is just a question about the question you asked, as I am unable to provide information about plans for a differential temperature regulator -
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On Thu, Mar 13, 2025 at 06:11 AM, john23 wrote:
Hello, I am looking for a differential feedback temprature regulator project which explains the theory best it could and give practical example in simulation.
I am looking to design a very precise temprature regultor up to 1Kelvin.
I am unsure how to interpret "1Kelvin".
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Do you mean that the device should continue to work down to a minimum temperature of 1 K (1Kelvin)?
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Or do you mean that the device's precision should be 1 K?? If this is what you meant, then I think 1°C is an equivalent amount of precision, because a temperature change of 1°C and 1 K are equivalent.? Do you agree?
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Andy
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Hello, I ment as precise as possible 1C presition is cool too.
I want to use feedback mechanism to regulate the temperature of a box.
I want to do some fancy analog feedback like PID controller circuit, also I was given the following advice? but I cant imagine how to draw it.
Could you please reccomend me a cool circuit?
Thanks.
"You can proceed with an Op-Amp (LM358), an NTC thermistor,? a MOSFET (IRF540) and a resistive heater (10W).
?The op-amp will compare the thermistor voltage to a reference voltage. If the temperature deviates, it will switch the MOSFET on/off to regulate heating."