help me

**broken link removed**

I have application circuit OP-Amp for IR Thermopile but Im don’t know value ever component use in application Op-amp? and which IC Op-amp compatible use in circuit?
Please help me
Thanks

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How much voltage do you expect out of the thermopile?
Why does the schematic show R4 and R5 connected?
The impedance of the thermopile is so low that C3 is useless.
I think you should consider an instrumentation op amp, look it up on the www.

binux369 said:

**broken link removed**

I have application circuit OP-Amp for IR Thermopile but Im don’t know value ever component use in application Op-amp? and which IC Op-amp compatible use in circuit?
Please help me
Thanks

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Click to expand...

Why do you start a new thread when you already posted it here
https://www.electro-tech-online.com/threads/shock-sensors.12985/ a few days ago?