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measurement of voltage in micro vol range

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donkey41

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hello there,

what is the best method to measure the voltage from 1 micro to 1000 mili Volt range?
i want to measure the voltage in this range and give the resulted value to computer via serial port.

can someone give me any idea ?

regards
 

You need to amplify the signal using an IC like LM358. Due to the low voltage levels your measurements will be susceptible to high noise levels. You may need precision resistors for biasing the amplifier.
 

Hi,
You can use a low level precision ADC as the one covered in the App.Note of TI enclosed . Just replace the load cell bridge with your signal and directly display the voltage.

Regards,
Laktronics
 

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