Question

Q2 An FM signal expressed as S(t)=1000cos[2?10^7t+0.5cos(2?10^4t)] is measured in an 50 ? antenna. Determine the following a. The un-modulated carrier power b. Total transmitted power c. Modulation index and peak frequency deviation d. Modulation sensitivity if 200mV is required to achieve part c e. Bandwidth by Carson's rule

          Q2
An FM signal expressed as S(t)=1000cos[2*?*10^7t+0.5cos(2*?*10^4t)] is measured in an 50 ? antenna. Determine the following
a. The un-modulated carrier power
b. Total transmitted power
c. Modulation index and peak frequency deviation
d. Modulation sensitivity if 200mV is required to achieve part c
e. Bandwidth by Carson's rule

Q2
An FM signal expressed as S(t)=1000cos[2*?*10^7t+0.5cos(2*?*10^4t)] is measured in an 50 ? antenna. Determine the following
a. The un-modulated carrier power
b. Total transmitted power
c. Modulation index and peak frequency deviation
d. Modulation sensitivity if 200mV is required to achieve part c
e. Bandwidth by Carson's rule

Added by Donald R.

Objective Physics for NEET

Abhay Kumar 2nd Edition

Chapter 28

Instant Answer

Solved by Expert Supreeta N

04/03/2023

Step 1

The un-modulated carrier signal can be represented as \(S_c(t) = Acos(2\pi f_c t)\), where \(A\) is the amplitude of the carrier signal, and \(f_c\) is the carrier frequency. From the given FM signal \(S(t) = 1000\cos[2\pi \cdot 107t + 0.5\cos(2\pi \cdot Show more…

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