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Understand and apply the transimpedance amplifier (Part 2)

Posted: 10 Aug 2007     Print Version  Bookmark and Share

Keywords:transimpedance  op amps  sensor input  differentiator amplifier 

This article shows that the transimpedance amplifier is the same as a differentiator amplifier for stability calculations. The only difference between the transimpedance amplifier and a differentiator amplifier is the photodiode, which is a current source attached to the input node of the op amp. The photodiode has no affect on the stability calculations for a differentiator amplifier, once the diode capacitance is added to the total input capacitance of the differentiator amplifier.

View the PDF document for more information.





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