What is the primary function of a modulator in a communication system?

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Question: What is the primary function of a modulator in a communication system?

Options:

Correct Answer: To convert the signal into a suitable form for transmission

Solution:

A modulator converts the baseband signal into a form suitable for transmission over a communication channel.

What is the primary function of a modulator in a communication system?

What is the primary function of a modulator in a communication system?

Correct Answer: A modulator converts the baseband signal into a form suitable for transmission over a communication channel.

Step 1: Understand what a baseband signal is. It is the original signal that contains the information we want to send.
Step 2: Recognize that communication channels (like radio waves or cables) have specific requirements for the signals they can carry.
Step 3: Learn that a modulator is a device that changes the baseband signal into a different form.
Step 4: This new form is suitable for transmission, meaning it can travel effectively through the communication channel.
Step 5: The modulated signal can then be sent over the channel to the receiver, where it will be demodulated back into the original baseband signal.

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