(a) State Carson's rule relating the number of sidebands to the peak frequency deviation Av and the modulating frequency Vm in frequency modulation. (b) An FM signal has a peak frequency deviation of 75 kHz and a carrier frequency of 10 MHz. What is the maximum bandwidth given by Carson's rule if the modulating signal is a sinusoid of frequency 1.0 kHz? (c) Reception of such a frequency modulated signal often involves the use of a discrim- inator. A simple discriminator can be obtained using an FIR filter consisting of the difference between two taps with a time delay T between them. What is the frequency transfer function of this filter?

(a) State Carson's rule relating the number of sidebands to the peak frequency deviation Av and the modulating frequency Vm in frequency modulation. (b) An FM signal has a peak frequency deviation of 75 kHz and a carrier frequency of 10 MHz. What is the maximum bandwidth given by Carson's rule if the modulating signal is a sinusoid of frequency 1.0 kHz? (c) Reception of such a frequency modulated signal often involves the use of a discrim- inator. A simple discriminator can be obtained using an FIR filter consisting of the difference between two taps with a time delay T between them. What is the frequency transfer function of this filter?

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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Problem 4. A carrier wave of frequency 25 MHz is frequency- modulated by a sine-wave of amplitude 3 volts and frequency 4 kHz. The frequency sensitivity of the modulator is 12 kHz per volt. a. Determine the approximate bandwidth of the FM wave using Carson's rule. b. Repeat part (a) assuming that the amplitude of the modulating wave is doubled. c. Repeat part (a) assuming that the modulation frequency is doubled.
PARTICULAR CONCEPT AND EXAMPLES OF : 1. Random Processes.1.2. Spectral characteristics.1.2.1. Power density spectrum.1.2.2. Definitions of noise
it is the fractional value of an AC quantity through which the .6 * .AC quantity has advanced or delayed from the reference point frequency period Peak-to-peak value Phase different phase O
What instrument can be used to determine the bandwidth, modulation index and efficiency of an amplitude modulated signal?
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hi=33
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