engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Amplitude Modulation Single Sideband Suppressed Carrier(SSB-SC) Modulation
Find the frequencies present in lower sideband of SSB spectrum if the modulating signal is m(t) = cos 2π ⋅ 1000 t + cos 2π ⋅ 2000 t and carrier is given by c(t) = cos 2π ⋅ 10000 t
1
800 Hz & 1000 Hz
2
8 KHz and 12 KHz
3
8 KHz and 9 KHz
4
11 KHz and 10 KHz.