Q2- Explain by equations and block diagram the direct method demodulation in NBFMQ3- Write the formula of the phase modulation (PM) when Ac=25 , Fc=10® Hz, Kp= 20 . Ifan information signal m(t) = cos(212000t) + 10sin(2n2000t)Q4- Drive a formula for NBFM by using Bessel functionQ5- If an information signal X(t) = cos(2n700t) + 10cos(25000t). Write the formula ofthe frequency modulation (FM) when Ac=20 , Fc=10® Hz, Kf= n2000Q6-) If NBFM signal passes through a frequency multiplier. With B < 0.5 and fc=200kHz. Let fmranges from 50OHZ to 15kHz, and let the maximum frequency deviation Afat the output be75kHz. Find the required frequency multiplication n and the maximum allowed frequencydeviation at the input.Q7- If an angle modulated signal S(t) = 10[cos(210®t) + 15sin(2n10³t)]

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Answered: Q3- Write the formula of the phase…

Q3- Write the formula of the phase modulation (PM) when Ac=25 , Fc=108 Hz, Kp= n20 . If an information signal m(t) = cos(212000t) + 10sin(2n2000t)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Frequency Modulation

Frequency modulation is a method or process of encoding the data of a specific signal (analog or digital) by modulating the carrier wave frequency according to the frequency of the modulated signal. Modulated signals are nothing more than information or data that should be conveyed after being converted into electronic signals.

Question

Q2- Explain by equations and block diagram the direct method demodulation in NBFM
Q3- Write the formula of the phase modulation (PM) when Ac=25 , Fc=10® Hz, Kp= 20 . If
an information signal m(t) = cos(212000t) + 10sin(2n2000t)
Q4- Drive a formula for NBFM by using Bessel function
Q5- If an information signal X(t) = cos(2n700t) + 10cos(25000t). Write the formula of
the frequency modulation (FM) when Ac=20 , Fc=10® Hz, Kf= n2000
Q6-) If NBFM signal passes through a frequency multiplier. With B < 0.5 and fc=200kHz. Let fm
ranges from 50OHZ to 15kHz, and let the maximum frequency deviation Afat the output be
75kHz. Find the required frequency multiplication n and the maximum allowed frequency
deviation at the input.
Q7- If an angle modulated signal S(t) = 10[cos(210®t) + 15sin(2n10³t)]

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