Electronics and Communication Engineering (ECE) Exam > Electronics and Communication Engineering (ECE) Questions > Which of the following is NOT one of the type...
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Which of the following is NOT one of the types of amplitude modulation?
- a)Vestigial sideband
- b)Single-sideband with carrier
- c)Single-sideband suppressed carrier
- d)Double-sideband suppressed carrier
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Which of the following is NOT one of the types of amplitude modulation...
Single-sideband with carrier
Single-sideband with carrier modulation is NOT one of the types of amplitude modulation. This type of modulation involves the transmission of only one of the sidebands along with the carrier signal, resulting in a more efficient use of bandwidth compared to double-sideband modulation.
Types of Amplitude Modulation:
- Vestigial sideband: In vestigial sideband modulation, one sideband is partially suppressed to reduce bandwidth while still retaining the necessary information for demodulation.
- Single-sideband suppressed carrier: Single-sideband suppressed carrier modulation involves the transmission of only one sideband without the carrier signal, which helps in reducing bandwidth requirements.
- Double-sideband suppressed carrier: In double-sideband suppressed carrier modulation, both sidebands are transmitted without the carrier signal, resulting in efficient use of bandwidth.
Explanation:
Single-sideband with carrier modulation is not a commonly used modulation technique in practice. It is not as efficient in terms of bandwidth utilization compared to other types of amplitude modulation. Therefore, it is important to understand the different types of modulation techniques available in order to choose the most suitable one for a particular application.
Single-sideband with carrier modulation is NOT one of the types of amplitude modulation. This type of modulation involves the transmission of only one of the sidebands along with the carrier signal, resulting in a more efficient use of bandwidth compared to double-sideband modulation.
Types of Amplitude Modulation:
- Vestigial sideband: In vestigial sideband modulation, one sideband is partially suppressed to reduce bandwidth while still retaining the necessary information for demodulation.
- Single-sideband suppressed carrier: Single-sideband suppressed carrier modulation involves the transmission of only one sideband without the carrier signal, which helps in reducing bandwidth requirements.
- Double-sideband suppressed carrier: In double-sideband suppressed carrier modulation, both sidebands are transmitted without the carrier signal, resulting in efficient use of bandwidth.
Explanation:
Single-sideband with carrier modulation is not a commonly used modulation technique in practice. It is not as efficient in terms of bandwidth utilization compared to other types of amplitude modulation. Therefore, it is important to understand the different types of modulation techniques available in order to choose the most suitable one for a particular application.
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Community Answer
Which of the following is NOT one of the types of amplitude modulation...
Vestigial Sideband:
VSB (vestigial sideband) transmission transmits one sideband fully and the other sideband partially thus, reducing the bandwidth requirement.
Vestigial Sideband Modulation (VSB) is used for video modulation in TV transmission.
The spectrum of a vestigial sideband is as shown:
VSB (vestigial sideband) transmission transmits one sideband fully and the other sideband partially thus, reducing the bandwidth requirement.
Vestigial Sideband Modulation (VSB) is used for video modulation in TV transmission.
The spectrum of a vestigial sideband is as shown:
Single Side Band (SSB SC)
- SSB SC is a form of amplitude modulation where only a single sideband is transmitted and 1 sideband and carrier are suppressed.
- In advantage of SSB is bandwidth saving and power saving over both conventional AM and DSB SC.
Double Side Band (DSB SC):
- DSB -SC is a form of Amplitude modulation where only the sidebands are transmitted and carrier is suppressed.
- The advantage is 66% power saving compared to conventional AM.
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