For single-sideband production in AM SSBSC, three transmitter configurations aretypically used: the filter approach, the phase-shift method, and the so-called thirdmethod. A bandpass filter circuit is used in the filter method to reject one sidebandand transmit the remaining sideband. The modulating signal and carrier are applieddirectly to one of the modulators in the phase-shift method, then both are moved 90degrees and applied to the second modulator. The outputs of the two balancedmodulators are double-sideband suppressed-carrier signals with the proper phase, sothat one of the sidebands is canceled when they are combined in a linear summer.The disadvantage of single-sideband transmission is which of the followingstatements?Select your answer.Tuning single-sideband receivers is more difficult and precise thantuning DSBSC AM receivers.Because most single-sideband transmissions involve a suppressed carrier,envelope detection cannot be employed unless the carrier is regeneratedat an exalted level, single-sideband systems are more sophisticated andexpensive than standard AM transmissions.Because most single-sideband transmissions involve a reduced carrier,envelope detection cannot be employed unless the carrier is regeneratedat an exalted level, single-sideband systems are more difficult andexpensive than traditional AM transmission.Single-sideband receivers are more complicated and precise totune than conventional AM receivers.

According to the question, we need to select the correct option. For single-sideband production in…

For single-sideband production in AM SSBSC, three transmitter configurations are typically used: the filter approach, the phase-shift method, and the so-called third method. A bandpass filter circuit is used in the filter method to reject one sideband and transmit the remaining sideband. The modulating signal and carrier are applied directly to one of the modulators in the phase-shift method, then both are moved 90 degrees and applied to the second modulator. The outputs of the two balanced modulators are double-sideband suppressed-carrier signals with the proper phase, so that one of the sidebands is canceled when they are combined in a linear summer. The disadvantage of single-sideband transmission is which of the following

For single-sideband production in AM SSBSC, three transmitter configurations are typically used: the filter approach, the phase-shift method, and the so-called third method. A bandpass filter circuit is used in the filter method to reject one sideband and transmit the remaining sideband. The modulating signal and carrier are applied directly to one of the modulators in the phase-shift method, then both are moved 90 degrees and applied to the second modulator. The outputs of the two balanced modulators are double-sideband suppressed-carrier signals with the proper phase, so that one of the sidebands is canceled when they are combined in a linear summer. The disadvantage of single-sideband transmission is which of the following

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 the production of single sideband with filter, the baseband signal is band limited between 1khz and 2khz and transmission will be carried out at a frequency of 40 MHz. In case of using practical band-pass filters, how many balanced modulator structures should there be consecutively?
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Which of the following is the result when the lower band components of the double sideband signal given the spectrum in the figure are multiplied by cos (Wct) in the signal time space obtained by suppressing the lower band components with a filter?
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A filter is provided with a cascaded differential amplifier. The midband gain and noise coefficient of the filter are given as −3 dB and 3 dB, respectively.According to this,a) If it is known that the amplifier gain is ?1= 20 dB and the noise coefficient is ?1= 2 dB, calculate the midband gain for the entire cascaded system. Give your answers in dB
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A. Suppose that a modulated signal x(t) is created by taking a baseband signal and mixing it with a 250 Hz cosine signal, resulting in the passband spectrum X(f) shown below. Suppose that the modulated signal x(t) is mixed with a 200 Hz cosine signal c(t). The spectrum of the 200 Hz cosine is shown below as C(f). (Please look at the picture.) Which of the spectra above is the spectrum of the after mixing x(t) and c(t)? (Please pick among the choices in the picture) ============================================= B. Please look at the 2nd picture. Need help. Thank you.
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Answer the Following and provide solution. 1. The maximum frequency deviation of the carrier is ± 15 kHz and the maximum modulating frequency is 3 kHz, calculate for the modulation index. 2. Assume that the 60-dB bandwidth of a receiver is 12 kHz and the 6-dB bandwidth is 7 kHz. What is the shape factor of the circuit? 3. What is the bandwidth of a receiver with a quality factor of 50 and a resonance frequency of 540 kHz. 4. What is the maximum bandwidth of an FM signal with a deviation of 27 kHz and a maximum modulating signal of 4 kHz as determined by Carson’s rule? 5. A PM signal has a maximum allowed deviation of 17 kHz and an actual deviation of 8 kHz. What is the percentage modulation?