Which of the following is a form of amplitude modulation?
AnswerSingle sideband (SSB).
SSB is derived from amplitude modulation by suppressing the carrier and one sideband, making it more bandwidth- and power-efficient for voice communication.
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T8 · Signals and Emissions
Technician · correct answers only, in question-pool order.
Which of the following signal types has the narrowest bandwidth?
AnswerCW.
Morse-code continuous-wave signals can occupy extremely little spectrum compared with voice or image modes.
What is a characteristic of single sideband (SSB) compared with FM?
AnswerSSB signals have narrower bandwidth.
Typical SSB voice occupies only a few kilohertz, substantially less spectrum than ordinary amateur FM voice.