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- Subject
- Modulation and Demodulationelectrical-engineering-mcqs › modulation-and-demodulation
- Published
- 20 Dec 2018
- Last updated
- 28 May 2026
Explanation
The local oscillator frequency is calculated by adding the intermediate frequency (455 kHz) to the tuned frequency (855 kHz), resulting in 1310 kHz.
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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