Question

17. What circuit produces an output that approximates the area under the curve of an input
function?
a) Integrator
b) Differentiator
c) Summing amplifier
d) Comparator
​

Answer 1

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The answer is option c

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Answer 2

Answer:

The correct option for this question is a) Integrator.

Explanation:

Based on the circuit time constant and the amplifier's bandwidth, the integrator circuit outputs the integral of the input signal over a range of frequencies. Applying the input signal to the inverting input causes the output to be polarity-inverted with respect to the input signal. Analog computers, analog-to-digital converters, and wave-shaping circuits are the main applications for the integrator circuit. Although they can be built utilising high gain discrete transistor designs, operational amplifiers are mostly used in wave-shaping applications as charge amplifiers. When supplied to its inverting terminal, an op-amp-based integrator generates an output that is an integral of the input voltage.

Thus, Integrator circuit produces an output that approximates the area under the curve of an input function.