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What is the primary function of a modulator in a communication system?
What is the primary function of a modulator in a communication system?
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Practice Questions
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Q1
What is the primary function of a modulator in a communication system?
To amplify the signal
To convert the signal into a suitable form for transmission
To demodulate the received signal
To filter out noise
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A modulator converts the baseband signal into a form suitable for transmission over a communication channel.
Questions & Step-by-step Solutions
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Q
Q: What is the primary function of a modulator in a communication system?
Solution:
A modulator converts the baseband signal into a form suitable for transmission over a communication channel.
Steps: 5
Show Steps
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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