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- Subject
- Modulation and Demodulationelectrical-engineering-mcqs › modulation-and-demodulation
- Published
- 20 Dec 2018
- Last updated
- 28 May 2026
Explanation
The superheterodyne principle is based on converting the received signal to a lower, fixed intermediate frequency for easier processing. It does not primarily involve using many amplifier stages or push-pull circuits.
More Modulation and Demodulation MCQs
Practice related questions from the same subject.
- 1.Why is the intermediate frequency (IF) in a superheterodyne receiver selected as the difference between the received and oscillator frequencies rather than their sum?
- 2.In a TRF radio receiver, to which frequency are the RF and detection sections typically tuned?
- 3.What is the power contained in the sidebands according to the previous question?
- 4.Which type of modulation is used for the audio signal in television broadcasting?
- 5.Where is the diode detector typically located in an AM radio receiver circuit?
- 6.What is the power contained in the sidebands according to the previous question?
- 7.What does modulation involve when a low-frequency signal influences a carrier wave?
- 8.What is the primary benefit of Frequency Modulation (FM) compared to Amplitude Modulation (AM)?
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