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Need help with common mode noise

Question asked by fbartra on Apr 17, 2013
Latest reply on Apr 24, 2013 by OliverSedlacek

I am using the AD8607AZR in a "current to voltage" configuration (very simple circuit)

 

My signal BW is less than 0.1HZ

The feedback resistor is only 30K

 

I have a photo multiplier (PMT) as my current source to this OPAMP

Current from the PMT is only 10ua maximum

 

I am trying to reduce the common mode noise

 

Is there an alternative circuit to the current to voltage configuration that I can use to reduce the common mode noise?

 

Thank you

 

Fausto Bartra

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