Modulation refers to a low-frequency signal controlling the ________________?

Related Mcqs:

At 100% modulation, the power in each sideband is _____________ of that of carrier?

A. 50% B. 40% C. 60% D. 25%...

In amplitude modulation, bandwidth is ____________ the audio signal frequency?

A. Thrice B. Four times C. Twice D. None of the above...

In superhetrodyne receiver, the input at mixer stage is________________?

A. IF and RF B. RF and AF C. IF and AF D. RF and local oscillator signal...

The letters AVC stand for ________________?

A. Audio voltage control B. Abrupt voltage control C. Automatic volume control D. Automatic voltage control...

In a TRF radio receiver, the RF and detection stages are tuned to______________?

A. Radio frequency B. IF C. Audio frequency D. None of the above...