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

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RRB JE ECE 22 Apr 2025 Shift 2 CBT 2 Official Paper
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  1. Telephonic communication
  2. Television signal transmission
  3. FM radio broadcasting
  4. Satellite communication

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Option 2 : Television signal transmission
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<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
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More Vestigial Sideband(VSB-SC) Modulation Questions

Q1.What is a primary application of VSB (Vestigial Sideband) modulation?
Q2.Vestigial sideband is most commonly used in-
Q3.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.
Q4.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:
Q5.In a television system, VSB modulation is preferred to __________.
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
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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
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Q3.In a 100% modulated AM signal with a carrier power of 100 W, what is the power in the lower sideband?
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