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For a message signal m(t) = cos(2πfmt) and carrier frequency fc, which one of the following represents a SSB signal?

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KVS TGT WET (Work Experience Teacher) 23 Dec 2018 Official Paper
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  1. cos(2πfmt) cos(2πfct)
  2. cos(2πfct)
  3. cos[2π(fc + fm)t]
  4. 1 + cos(2πfmt) cos(2πfct)

Answer (Detailed Solution Below)

Option 3 : cos[2π(fc + fm)t]
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Detailed Solution

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For , the general expression is

for,

We get,

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