'Q4: Determine the minimum transmission bandwidth required to transmit the following two signals: fi(t) =10cos 150 nt + 15cos 200 nt and fz(t) 10 cos 100 t cos 200 tt in a PAMTDM system: Compare the result if FDM is used with AM & SSB techniques Ans: 300Hz.'
Added by Colin M.
Step 1
For fi(t) = 10cos(150nt) + 15cos(200nt), the frequencies are 150n and 200n. The bandwidth is the difference between the highest and lowest frequencies, which is (200n - 150n) = 50n. For fz(t) = 10cos(100t)cos(200t), we can use the trigonometric identity Show more…
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