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Which require higher bandwidth FM or AM and why?

Frequency Modulation (FM) requires higher bandwidth than Amplitude Modulation (AM) due to the nature of how each modulation method encodes information. FM varies the frequency of the carrier wave to transmit information, which results in a wider range of frequencies being occupied. In contrast, AM varies the amplitude of the carrier wave, which occupies a narrower bandwidth. As a result, FM typically requires about 10 times more bandwidth than AM to accommodate the greater frequency deviations used in the modulation process.


Which modulation scheme requires the least minimum bandwidth?

Suppressed carrier single sideband amplitude modulation - SCSSBAM.


What is the channel bandwidth for 2KHZ signal?

depends on type of modulation and other variables


Is modulated voice signal a baseband or broadband?

Neither.baseband refers to the original voice signal itselfbroadband refers to a form of wide bandwidth data transmission (e.g. internet traffic)the modulated voice signal consists of a carrier frequency and two sidebands, the bandwidth of the sidebands varies depending on the form of modulation used as well as the bandwidth of the original baseband signal, to reduce transmission power it is possible to eliminate the carrier frequency and to reduce overall bandwidth one of the sidebands may be partially suppressed or eliminated completely (but one sideband must always be fully retained)


How is the bandwidth allocated in case of FM?

In Frequency Modulation (FM), bandwidth is allocated based on the modulation index, which is determined by the frequency deviation of the carrier signal and the frequency of the modulating signal. According to Carson's Rule, the total FM bandwidth is approximately twice the sum of the maximum frequency deviation and the maximum frequency of the modulating signal. This means that FM signals can occupy a wider bandwidth compared to Amplitude Modulation (AM), allowing for better noise immunity and audio quality. Typically, for standard FM broadcasting, the bandwidth is around 200 kHz.

Related Questions

Which cellular system uses the most bandwidth efficient modulation?

I think it is Frequency Modulation with Phase modulation which it the most bandwidth efficient


What determines the data rate that a modem can support?

The bandwidth of the transmission media The modulation encoding used


Which require higher bandwidth FM or AM and why?

Frequency Modulation (FM) requires higher bandwidth than Amplitude Modulation (AM) due to the nature of how each modulation method encodes information. FM varies the frequency of the carrier wave to transmit information, which results in a wider range of frequencies being occupied. In contrast, AM varies the amplitude of the carrier wave, which occupies a narrower bandwidth. As a result, FM typically requires about 10 times more bandwidth than AM to accommodate the greater frequency deviations used in the modulation process.


Which analog modulation scheme requires minimum transmitted power and minimum channel bandwidth?

ssb modulation scheme


Which modulation scheme requires the least minimum bandwidth?

Suppressed carrier single sideband amplitude modulation - SCSSBAM.


Why do you use sigma delta modulation instead of adaptive delta modulation?

if we need simple transmitter and receiver, if we need low bandwidth


What are the contrast of amplitude modulation to frequency modulation?

AM (Amplitude Modulation) has a smaller bandwidth and can have more stations available in any frequency range. AM is cheaper and can be transmitted over long distances. FM (Frequency Modulation) signals are prone to interference due to physical obstructions. The better sound quality is due to a much higher bandwidth, using FM.


What is the channel bandwidth for 2KHZ signal?

depends on type of modulation and other variables


Is modulated voice signal a baseband or broadband?

Neither.baseband refers to the original voice signal itselfbroadband refers to a form of wide bandwidth data transmission (e.g. internet traffic)the modulated voice signal consists of a carrier frequency and two sidebands, the bandwidth of the sidebands varies depending on the form of modulation used as well as the bandwidth of the original baseband signal, to reduce transmission power it is possible to eliminate the carrier frequency and to reduce overall bandwidth one of the sidebands may be partially suppressed or eliminated completely (but one sideband must always be fully retained)


How is the bandwidth allocated in case of FM?

In Frequency Modulation (FM), bandwidth is allocated based on the modulation index, which is determined by the frequency deviation of the carrier signal and the frequency of the modulating signal. According to Carson's Rule, the total FM bandwidth is approximately twice the sum of the maximum frequency deviation and the maximum frequency of the modulating signal. This means that FM signals can occupy a wider bandwidth compared to Amplitude Modulation (AM), allowing for better noise immunity and audio quality. Typically, for standard FM broadcasting, the bandwidth is around 200 kHz.


What key features affect the channel capacity?

Key features that affect channel capacity include bandwidth, signal-to-noise ratio, and modulation technique. A wider bandwidth allows for more data to be transmitted, while a high signal-to-noise ratio enables better accuracy in data transmission. The modulation technique used can also impact channel capacity by determining how efficiently the available bandwidth is utilized.


How do you find the bandwidth of 1066 MHz?

To find the bandwidth of a 1066 MHz signal, you first need to understand that bandwidth refers to the range of frequencies a signal occupies. If you have a specific signal operating at 1066 MHz, its bandwidth can be determined by analyzing its modulation scheme or the specifications provided by the manufacturer. For example, if it's a data bus with a specific modulation technique, you may find the bandwidth in the technical documentation. Generally, the bandwidth is the difference between the upper and lower frequency limits related to the signal.