railway RRB JE (CBT I + CBT II) Mock Test 2024 Communication Systems Amplitude Modulation Double Sideband Suppressed Carrier(DSB-SC) Modulation
What will be the upper sideband and lower sideband frequencies for amplitude modulation of a 5-kHz signal with 40-kHz carrier frequency?
1
42.5 kHz and 37.5 kHz, respectively
2
45 kHz and 35 kHz, respectively
3
50 kHz and 30 kHz, respectively
4
25 kHz and 15 kHz, respectively