Home Ask MCQ Quiz Topics Login

Dapzoi Asked :

25-09-2021 Signals & Systems

Q. Which of the following is an example of amplitude scaling?

A. Electronic amplifier
B. Electronic attenuator
C. Both amplifier and attenuator
D. Adder

Commented on 2021-09-25
Answer: C

Explanation: Amplitude scaling refers to multiplication of a constant with the given signal. It is given by y (t) = a x (t). It can be both increase in amplitude or decrease in amplitude.

Submit Your Comment

* You must be logged in to add answer.

Related MCQs:

Comment on the linearity of y[n] = n*x[n].

Resistor performs amplitude scaling when x (t) is voltage, a is resistance and y (t) is output current.

All real time systems concerned with the concept of causality are

Comment on the causality of y[n] = n*x[n].

What is the convolution of a signal with an impulse?