# Forum: Analog Circuits Applications where a transimpedance amplifier is used for measuring small sine AC currents.

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Dear all,

for a thesis I'm looking for applications where a transimpedance
amplifier is used for measuring a small sine wave current (AC current).
Means on the non inverting input of the transimpedance amplifier (TIA) a
reference sine signal is conneted. On the inverting input a sensor is
connected. As soon as the sensor draws a current this current leads to a
change in voltage of the TIA output.

I would be very glad when you could send me examples where a wiring like
this is realized.

Kind Regards

Ron

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