In the circuit shown below, the input voltage Vin in positive. The current (I) - voltage (V) characteristics of the diode can be assumed to be I = I0eV/VT under the forward bias condition, where VT is the thermal voltage and I0 is the reverse saturation current. Assuming an ideal op-amp, the output voltage Vout of the circuit is proportional to

In the circuit shown below, the input voltage Vin in positive. The cur

1.	In the circuit shown below, the input voltage Vin in positive. The current (I) - voltage (V) characteristics of the diode can be assumed to be I = I0eV/VT under the forward bias condition, where VT is the thermal voltage and I0 is the reverse saturation current. Assuming an ideal op-amp, the output voltage Vout of the circuit is proportional to
A.	loge (Vin/VT)
B.	2Vin
C.	\({e^{{V_{in}}/{V_T}}}\)
D.	\(V_{in}^2\)
Answer» D. \(V_{in}^2\)