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What is the output waveform of the circuit?
- a)sine wave
- b)square wave
- c)sawtooth wave
- d)triangle wave
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
What is the output waveform of the circuit?a)sine waveb)square wavec)s...
If the input voltage is zero, no input current will flow. Therefore no feedback current can flow and the output voltage will remain constant. If the input voltage is non-zero, the basic equation for the output voltage becomes Vout = -Vin/RC + K, where R is the input resistance in ohms, C is the feedback capacitance in farads, and K is a fixed constant representing the accumulated voltage from the past.
If the input voltage is constantly changing, the output voltage at any instant will be the integral of all past input voltage values. For example, a bipolar sine wave input will actually produce another sine wave as its output, at a phase angle of 90� from the input sine wave. Technically, the output will be an inverted cosine wave.
If the input is a constant positive dc voltage, the output will be a negative linear ramp. There is no exponential factor in an op amp integrator. The equation for the ramp will be Vout = -Vint/RC, where t is time in seconds.
So according to given above statement, input must be need to desire the output of the integrator
when sine input --------> co(sine) output
when dc input-------> ramp output(squar wave---> triangular wave)
Hence,correct option is (D).
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What is the output waveform of the circuit?a)sine waveb)square wavec)sawtooth waved)triangle waveCorrect answer is option 'B'. Can you explain this answer?
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