B. DSBSC modulated signal istransmitted over a noisy channel, with the power spectral density of noise being as shown in Figure 1. The Costas receiver shown in figure 2 is used to recover the signal. (Assume: (o) phase shift is constant value arrange between zero to 90 degree) 1. Derive the demodulated signal 2. Determine the maximum power of the demodulated signal 3. Determine the signal to noise ratio for the demodulated signal lehanel

B. DSBSC modulated signal istransmitted over a noisy channel, with the power spectral density of noise being as shown in Figure 1. The Costas receiver shown in figure 2 is used to recover the signal. (Assume: (o) phase shift is constant value arrange between zero to 90 degree) 1. Derive the demodulated signal 2. Determine the maximum power of the demodulated signal 3. Determine the signal to noise ratio for the demodulated signal lehanel

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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In an AM transmitter and receiver, when a carrier signal has high frequency (2Vpk, and 20kHz)and with the information signal (1Vpk and 1kHz) what happened to the receivers signal? Is it attenuated or not? If it is, does the information signal with low frequency, high voltage and information signal with same value of frequency and voltage affects it? Explain.
A 10Vp carrier signal is amplitude modulated by two different frequencies 5 KHz and 10 KHz with amplitude of 4Vp and 7.5Vp respectively using an DSBFC. If the system is connected to the 100Ω antenna, (a) what is the modulated carrier power and AM wave total power? From DSBFC, different transmitters with different modulation schemes were used to evaluate the performance in terms of power and bandwidth and compare to conventional AM. (b) Complete the table below and provide your solution.
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c) i) Consider a noisy continuous communication channel of bandwidth B = 1 MHz, which is perturbed by additive white Gaussian noise whose total spectral power is N0B = 1 W. Continuous signals are transmitted across such a channel, with average transmitted power S = 1,023 W. Give a numerical estimate for the channel capacity, in bits per second, of this noisy channel. ii) Suppose that for such a continuous channel with added white Gaussian noise, the ratio of signal power to noise power is given as 30 decibels, and the frequency bandwidth B of this channel is now 10 MHz. Determine the information capacity of this noisy channel, in bits per second, and the number of signal levels needed to achieve it. ONLY answer question ii)
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discuss how the information signal is recovered from an FM signal using slope detector