Comparision of SSB Suppression Techniques MCQ’s

This set of Analog Communication Multiple Choice Questions & Answers (MCQs) focuses on “Comparision of SSB Suppression Techniques”.

1. What is the expected modulation index in case of narrow band FM?
a) less than or equal to 1
b) infinite
c) 1.5
d) more than 1

2. Which of the following statement is true about pulse position modulation system?
a) pulses have constant width but varying amplitude
b) pulses have constant amplitudes and constant widths
c) pulses have constant amplitude but varying widths
d) pulses have varying width and varying amplitude

3. What is the expected modulation index in case of wide band FM?
a) less than 1
b) 1
c) 12
d) more than 1

4. IF stage is a receiver employs ________
a) impedance coupling
b) capacitive coupling
c) single tuned transformer coupling
d) double tuned transformer coupling

5. If modulation index of an AM was in changed from 0 to 1, then transmitted power ________
a) increases by 100%
b) increases by 50%
c) increases by 75%
d) increases by 25%

6. Companding is used in PCM transmitters to overcome quantizing noise in PCM.
a) True
b) False

7. In higher power AM transmission, modulation is done at _________
a) Source stage
b) Transducer Stage
c) Oscillator stage
d) RF power stage

8. In PCM system, output S/N increases ________
a) parabolically with bandwidth
b) exponentially with bandwidth
c) inversely with bandwidth
d) linearly with bandwidth

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