A carrier signal given by (cos21105t) volt is AM modulation by the message signal given by (4cos2rt103t) volt with percentage of modulation 25%- Calculate: sideband power and carrier, the bandwidth, and the value * .of u

A carrier signal given by (cos21105t) volt is AM modulation by the message signal given by (4cos2rt103t) volt with percentage of modulation 25%- Calculate: sideband power and carrier, the bandwidth, and the value * .of u

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter10: Atomic Physics

Section: Chapter Questions

Problem 41Q

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Concept explainers

Debye Theory of Solids

In solid-state physics, debye theory is used to estimate the phonons contributing to the specific heat capacity in a solid. It explains that the specific heat is a consequence of the vibrations of the atomic lattice of the solid, which is in contrast to the Einstein model. In the Einstein model, solids are treated as independent, non-interacting quantum harmonic oscillators. This model clearly explains the low-temperature dependence of the heat capacity, which is proportional to T3. This is known as Debye T3 law.

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نقطتار
A carrier signal given by
(cos21105t) volt is AM
modulation by the message
signal given by (4cos2rt103t)
volt with percentage of
modulation 25%- Calculate:
sideband power and carrier,
the bandwidth, and the value
* .of u
Pc=129 Ps=65, BW=3kHz, µ=0.04
Pc=130 Ps=66, BW=4kHz, µ=0.05 O
Pc=131 Ps=67, BW=5kHz, µ=0.06 O
Pc-132 Ps-68, BW=6kHz, µ=0.07 O
Pc=128 Ps-64, BW=2kHz, p=0.03

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