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GATE ECE 1994 | Question-14

$v(t)=5[\cos (106 \pi t)-\sin (103 \pi t) \times \sin (106 \pi t)$ represents

  1. $\text{DSB}$ suppressed carrier signal
  2. $\text{AM}$ signal
  3. $\text{SSB}$ upper sideband signal
  4. Narrow band $\text{FM}$ signal

     

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