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DSB-SC Demodulation Process

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Questions and Answers

What is the primary function of the RF Amplifier with Tuning Load in an AM receiver?

Drive the speaker with the detected audio signal

Amplify the selected carrier signal (correct)

Demodulate the modulated carrier signal

Enhance the selectivity of the receiver

What is the purpose of the Demodulator in an AM receiver?

Recover a baseband signal from a modulated carrier (correct)

Amplify the detected audio signal

Drive the speaker with the demodulated audio

Enhance the selectivity of the receiver

In a Tuned Radio Frequency (TRF) AM Receiver, what role does the Antenna play?

Enhances the selectivity of the receiver

Demodulates the modulated carrier signal

Intercepts radio waves and induces voltage in it (correct)

Amplifies the detected audio signal

What is Image Frequency Rejection crucial for in a Superheterodyne Receiver?

Avoiding interference from undesired frequencies Signup and view all the answers

Why is Sensitivity an important performance characteristic of an AM receiver?

To detect weak incoming signals effectively Signup and view all the answers

How does Selectivity contribute to the performance of an AM receiver?

By distinguishing between adjacent carrier frequencies Signup and view all the answers

What is a key advantage of using a Superheterodyne Receiver compared to other types?

Improved selectivity and image rejection Signup and view all the answers

'Q factor in tuned circuits' primarily affects which aspect of an AM receiver's performance?

Bandwidth and selectivity Signup and view all the answers

'DSB-SC Demodulator' focuses on recovering which type of signal from a modulated carrier?

Baseband signal Signup and view all the answers

'Dual Conversion' concept in receivers involves converting the received signal twice. What does this redundancy primarily offer?

Improved image rejection and frequency selection accuracy Signup and view all the answers