Generation of DSBSC Waves MCQ’s

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This set of Analog Communication Multiple Choice Questions & Answers (MCQs) focuses on “Generation of DSBSC Waves”.

1. Which of the following stage is present in FM receiver but not in AM receiver?
a) Amplitude limiter
b) Demodulator
c) AM amplifier
d) Mixer

2. Function of duplexer in a RADAR is to permit the use of same antenna for transmission and reception.
a) True
b) False

3. LCD uses ________
a) sematic crystals
b) twisted nematic crystals
c) nematic crystals
d) cholesteric crystals

4. Single Sideband Modulation (SSB) is generally reserved for point-to-point communication.
a) True
b) False

5. For which of the modulated system, the linear amplified modulated stage is used?
a) low level amplitude modulated system
b) high level amplitude modulated system
c) high level frequency modulated system
d) low level frequency modulated system

6. A narrow band noise can exist in _________
a) AM only
b) PCM only
c) FM only
d) AM and FM both

7. For an AM transmitter, class C amplifier can be used after the modulation stage.
a) True
b) False

8. When noise is passed through a narrow band filter, the output of filter should be?
a) triangular
b) square
c) parabolic
d) sinusoidal

9. The upper and lower sideband frequencies for 5KHz amplitude modulation with a 30KHz carrier frequency will be?
a) 35KHz and 25KHz
b) 34KHz and 24KHz
c) 25KHz and 35KHz
d) 0.35KHz and 0.25KHz

10. Phase array radar can track many targets together.
a) True
b) False

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