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Isolated Thermocouple Amplifier

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bogdani1991

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What is the value of output voltage Vout???
An idea how can I start?
 

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Start what?

Why don't you pull out the datasheet for the AD210 and find out what Vout is? Hint: It is related to the temperature and the thermocouple type.
 

I do that,but i need to calculate function transfer.
 

Thermocouple operational amplifier

What is the expression for Vo???
 

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Re: Thermocouple operational amplifier

What is the expression for Vo???

Voltage created by the thermocouple is fed to the non-inverting input. (I cannot tell whether it is positive or negative, therefore I'm not sure whether the output is positive or negative.)

It appears that the op amp is set for a gain of 100.

Rg adjusts the output voltage up/down.

The capacitor reduces high frequencies, which presumably is noise.
 

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