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ECE · Q145

Analog Electronics

Engineering and GATE · ECE · question 145

Q145

Consider the following circuit using an ideal op-amp. The I-V characteristics of the diode is described by the relation I = I_0 ( e^ V V_ T - 1 ) where VT = 25 mV, I0 = 1 µA and V is the voltage across the diode (taken as positive for forward bias). For an input voltage Vi = -1 V, the output voltage V0 is

Consider the following circuit using an ideal op-amp. The I-V characteristics of the diode is described by the relation   where VT = 25 mV, I0 = 1 µA and V is the voltage across the diode (taken as positive for forward bias).
For an input voltage Vi = -1 V, the output voltage V0 is
Analog Electronics mcq question image
A.
0 V
B.
0.1 V
Answer
C.
0.7 V
D.
1.1 V

Answer: Option B

Solution

Answer: Option B
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