What is real diffrence between dsb and ssb ?

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Double-sideband_reduced_carrier_.28DSB-RC.29In summary, DSB (double sideband) and SSB (single sideband) are different types of AM (amplitude modulation) signals. DSB transmits both sidebands while SSB removes one of the sidebands. SSB is considered better and is commonly used due to its power advantages and ease of reception. However, DSB still has some applications.
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oufa
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what is real diffrence between dsb and ssb ?
which is better
which is used mostly
 
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what is real diffrence between dsb and ssb ?

You are asking about double sideband and single sideband in AM radio transmitters?
You would have to know how amplitude modulation works. I'll assume you do.
If not, read the following:
http://en.wikipedia.org/wiki/Amplitude_modulation
The products of AM are the original carrier and the sum and difference of the carrier and the audio modulation.

So this is a carrier and two sidebands. It is what you listen to as an AM broadcast signal.

DSB removes the carrier but transmits both sidebands.
SSB removes the carrier and also one of the sidebands.


which is better

SSB is better but more expensive to produce. However it is easier to receive.

which is used mostly
SSB is nearly always used now since it gives power advantages (DSB transmits the same information twice) and is easier to receive than DSB.

You might like to read the following article which gives some applications for DSB
http://en.wikipedia.org/wiki/Sideband
 
  • #3


The real difference between DSB (Double Sideband) and SSB (Single Sideband) is the way they transmit information. In DSB, both the upper and lower sidebands are transmitted, while in SSB only one of the sidebands is transmitted, along with the carrier signal. This results in a more efficient use of bandwidth in SSB compared to DSB.

As for which is better, it depends on the specific application and requirements. DSB is simpler and easier to implement, but it requires more bandwidth. SSB, on the other hand, is more complex but offers better bandwidth efficiency.

In terms of usage, SSB is more commonly used in applications where bandwidth is limited, such as in radio communications. DSB is used in applications where bandwidth is not a concern, such as in AM radio broadcasting.

Ultimately, the choice between DSB and SSB depends on the specific needs and constraints of the application. Both have their advantages and disadvantages, and it is up to the scientist or engineer to determine which is the most suitable for a particular scenario.
 

1. What is the difference between DSB and SSB?

The main difference between DSB (Double Sideband) and SSB (Single Sideband) is the amount of bandwidth they occupy. DSB occupies twice the bandwidth as SSB because it contains both the upper and lower sidebands. SSB only contains one of the sidebands, resulting in a more efficient use of bandwidth.

2. Which one is better for communication, DSB or SSB?

It depends on the specific communication needs. DSB is better for transmitting audio signals, while SSB is better for long-distance communication as it requires less power and bandwidth. SSB is also less susceptible to interference, making it a better option for radio communication.

3. How do DSB and SSB compare in terms of efficiency?

DSB is less efficient than SSB as it requires more bandwidth and power to transmit the same information. SSB, on the other hand, is more efficient as it only transmits one of the sidebands, resulting in a more compact and clearer signal.

4. Can SSB be converted to DSB?

Yes, SSB can be converted to DSB using a process called demodulation. This is often done in receivers to convert the single sideband back into the full double sideband, allowing for the original audio signal to be heard.

5. What are the advantages of using DSB over SSB?

The main advantage of DSB is that it can transmit both the upper and lower sidebands, making it ideal for transmitting audio signals. It also does not require complex demodulation techniques like SSB, making it easier to implement in communication systems. However, it does require more bandwidth and power, which can be a disadvantage in certain situations.

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