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A circuit with an ideal OPAMP is shown in the figure. A pulse VIN of 20 ms duration is applied to the input. The capacitors are initially uncharged.
The output voltage Vout of this circuit at t = 0+ (in integer) is ______ V.
Correct answer is '-12'. Can you explain this answer?
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A circuit with an ideal OPAMP is shown in the figure. A pulse VIN of 2...
The given circuit is shown below,
Above figure can be redrawn as
From above circuit it is clear that,
V− =VIN= + 5 V
V+= 0 V
Here, V− ≠V+
It means, voltage at both terminals of op-amp are unequal and fixed so virtual ground concept is not valid here and op-amp work as a comparator.
Thus, V− >V+
So, Vout =−Vsat
Vout =−12 V
Hence, the output voltage Vout of this circuit at t = 0+ is −12 V.
Question_Type: 4
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Community Answer
A circuit with an ideal OPAMP is shown in the figure. A pulse VIN of 2...
The given circuit is shown below,
Above figure can be redrawn as
From above circuit it is clear that,
V− =VIN= + 5 V
V+= 0 V
Here, V− ≠V+
It means, voltage at both terminals of op-amp are unequal and fixed so virtual ground concept is not valid here and op-amp work as a comparator.
Thus, V− >V+
So, Vout =−Vsat
Vout =−12 V
Hence, the output voltage Vout of this circuit at t = 0+ is −12 V.
Question_Type: 4
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A circuit with an ideal OPAMP is shown in the figure. A pulse VIN of 20 ms duration is applied to the input. The capacitors are initially uncharged.The output voltage Vout of this circuit at t = 0+ (in integer) is ______ V.Correct answer is '-12'. Can you explain this answer?
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