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AD623 Thermocouple Amp

Question asked by bbernier on Oct 8, 2014
Latest reply on Dec 12, 2014 by ScottH

I'm trying to amplify a type-J thermocouple signal with the AD623.

I've tried multiple different configurations but nothing seems to work the way I want it.

I would like to see a gain around 100 so I have a 1K resistor on pin 1 and 8.

I have the negative input grounded, and my reference is also grounded.

 

I'm not seeing any voltage change on the output yet i've created a simulation with multisim and it works just fine.

Is this the proper amp for the job?

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