EEE :: Modulation and Demodulation
- Man made noise are ___________ variations.
- In TV transmission, picture signal is ___________ modulated
- In TV transmission, sound signal is ___________ modulated
- Most of the amplification in a superhetrodyne receiver occurs at ___________ stage
- The superhetrodyne principle provides selectivity at ___________ stage
- A high Q tuned circuit will permit an amplifier to have high ___________
- If a radio receiver amplifies all the signal frequencies equally well, it is said to have high ___________
- In amplitude modulation, bandwidth is ___________ the audio signal frequency
- A 100 V carrier is made to vary between 160 V and 40 V by the signal. What is the modulation factor?
- In amplitude modulation, the ___________ of carrier is varied according to the strength of the signal.
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