English
Hindi

Question

Download Solution PDF

What is a primary application of VSB (Vestigial Sideband) modulation?

This question was previously asked in
RRB JE ECE 22 Apr 2025 Shift 2 CBT 2 Official Paper
Download PDF Attempt in App
View all RRB JE Papers >
  1. Telephonic communication
  2. Television signal transmission
  3. FM radio broadcasting
  4. Satellite communication

Answer (Detailed Solution Below)

Option 2 : Television signal transmission
Free Tests
View all Free tests >
Free
General Science for All Railway Exams Mock Test
20 Qs. 20 Marks 15 Mins
Start Now

Detailed Solution

Download Solution PDF
<p><span><u>Concept:</u></span></p><p>VSB (vestigial sideband) transmission transmits one sideband fully and the other sideband partially thus, reducing the bandwidth requirement.</p><p>Vestigial Sideband Modulation (VSB) is used for video modulation in TV transmission due to the following reasons:</p><ul> <li>Video signal exhibits a large bandwidth and significant low-frequency content which suggests the use of VSB.  </li> <li>VSB (vestigial sideband) transmission transmits one sideband fully and the other sideband partially thus, reducing the bandwidth requirement.</li> <li>The circuitry for demodulation in the receiver should be simple and therefore cheap. VSB demodulation uses simple envelope detection.</li> </ul><p> </p><p>The spectrum of a vestigial sideband is as shown:</p><p><amp-img alt="JULY 2018 PART 4.docx 26" src="/" height="141" width="241"></amp-img></p> - www.guacandrollcantina.com
Download Solution PDF
Latest RRB JE Updates

Last updated on Jun 16, 2025

-> RRB JE CBT 2 answer key 2025 for June 4 exam has been released at the official website.

-> Check Your Marks via RRB JE CBT 2 Rank Calculator 2025

-> RRB JE CBT 2 admit card 2025 has been released. 

-> RRB JE CBT 2 city intimation slip 2025 for June 4 exam has been released at the official website.

-> RRB JE CBT 2 Cancelled Shift Exam 2025 will be conducted on June 4, 2025 in offline mode. 

-> RRB JE CBT 2 Exam Analysis 2025 is Out, Candidates analysis their exam according to Shift 1 and 2 Questions and Answers.

-> The RRB JE Notification 2024 was released for 7951 vacancies for various posts of Junior Engineer, Depot Material Superintendent, Chemical & Metallurgical Assistant, Chemical Supervisor (Research) and Metallurgical Supervisor (Research). 

-> The selection process includes CBT 1, CBT 2, and Document Verification & Medical Test.

-> The candidates who will be selected will get an approximate salary range between Rs. 13,500 to Rs. 38,425.

-> Attempt RRB JE Free Current Affairs Mock Test here

-> Enhance your preparation with the RRB JE Previous Year Papers. 

‹‹ Previous Ques
Next Ques ››
Exams Tests Super Practice

More Vestigial Sideband(VSB-SC) Modulation Questions

Q1.Vestigial sideband is most commonly used in-
Q2.Direction: The item consists of two statements, one labelled as 'Statement (I)' and the other as 'Statement (II)'. You are to examine these two statements carefully and select the answers to these items using the code given below. Statement (I): A popular method for generating a VSB modulated wave is to use the frequency discrimination method. Statement (II): One of the sidebands is partially suppressed and a vestige of the other sideband is transmitted to compensate for that suppression.
Q3.Read the following statements: (A) A selective filtering method is most commonly used for generation of SSB signals (B) A selective filtering method is most commonly used for generation of DSB signals (C) A VSB modulation is also known as asymmetric side band system (D) A VSB modulation is also known as symmetric sideband system Choose the correct answer from the options given below:
Q4.In a television system, VSB modulation is preferred to __________.
Q5.Which of the following modulation methods is used for the transmission of picture signals in TV transmission?
Q6.In television transmission, the type of modulation used for video is
Q7.A VSB transmitter that transmits 25% of the other sideband along with the wanted sideband radiates 0.625 kW when the modulation percentage is 60%. If we want to transmit the same message by an AM transmitter then the carrier power (in kW) required is 
Q8.VSB modulation is termed as ___________.
Q9.Which of the following statements are correct w.r.t. the vestigial sideband modulation? (i) As compared to SSB-SC, the bandwidth of the vestigial sideband becomes larger. (ii) The filter required needs to have a sharp cut-off. (iii) The transmitted vestige of the undesired sideband compensates for the loss of the wanted sideband.  (iv) Vestigial sideband is used in TV for transmission of the picture and sound signals.   Choose the correct answer from the code given below:

More Amplitude Modulation Questions

Q1.In a 100% modulated AM signal with a carrier power of 100 W, what is the power in the lower sideband?
Q2.What is another name for PWM in communication engineering?
Q3.What is a primary application of VSB (Vestigial Sideband) modulation?
Q4.What does DSB-SC stand for in communication system engineering?
Q5.DSB-SC, VSB and SSB modulation are types of:
Q6.Vestigial sideband is most commonly used in-
Q7.Direction: The item consists of two statements, one labelled as 'Statement (I)' and the other as 'Statement (II)'. You are to examine these two statements carefully and select the answers to these items using the code given below. Statement (I): A popular method for generating a VSB modulated wave is to use the frequency discrimination method. Statement (II): One of the sidebands is partially suppressed and a vestige of the other sideband is transmitted to compensate for that suppression.
Q8.By considering standard notations, in VCO, the centre frequency is
Q9.A certain AM transmitter is radiating 125 kW when a certain audio sine wave is modulating it to a depth of 70% and 144.5 kW when a second sinusoidal audio wave also modulates it simul-taneously. What is the depth of the modulation for the second audio wave?
Q10.By considering standard notations, the normalized power of the AM signal is

More Communication Systems Questions

Q1.Which of the following components is required to detect (demodulate) Pulse Position Modulation (PPM)? a) Pulse Generator b) RS Flip-Flop c) PWM Demodulator
Q2.Which of the following statements about the AM detection using PLL circuit is/are correct? S1: It has higher noise immunity than the conventional peak detector type AM detector. S2: The PLL is locked to the carrier frequency of the AM signal.
Q3.In a 100% modulated AM signal with a carrier power of 100 W, what is the power in the lower sideband?
Q4.Which of the following is NOT a commonly used pulse-shaping filter in communication systems?
Q5.In which modulation technique is the carrier modulated using phase shifts of 0°, 90°, 180°, and 270°?
Q6.What is another name for PWM in communication engineering?
Q7.Which of the following statements about FM detection using PLL circuit are correct? S1: At the error amplifier output, we get demodulated FM output. S2: FM signal is applied to the input of the PLL.
Q8.In PLL as frequency synthesizer, if the crystal oscillator having frequency 500 MHz is passed through divide by 2 network, then the input frequency to PLL is _______ MHz.
Q9.The following block diagram represents which type of signal generation in communication?
Q10.What is a primary application of VSB (Vestigial Sideband) modulation?
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
support@testbook.com
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Hot Links： teen patti octro 3 patti rummy teen patti joy vip teen patti master old version teen patti - 3patti cards game teen patti casino apk