Electronics and Communication Engineering - Exam Questions Papers - Discussion


Consider the following circuit using an ideal OP-AMP. The I-V characteristics of the diode is described by the relation where VT = 25mV, I0 = 1mA and V is the voltage across the diode (taken as positive for forward bias). For an input voltage V1 = - 1 V, the output voltage V0 is

[A]. 0 V
[B]. 0.1 V
[C]. 0.7 V
[D]. 1.1 V

Answer: Option B


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