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What are 2 advantages of FM over AM?

The main advantages of FM over AM are: Improved signal to noise ratio (about 25dB) w.r.t. to man made interference. Smaller geographical interference between neighboring stations. Less radiated power.
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What are the main advantages and disadvantages of FM over AM?

A distinct advantage that FM has over AM is that FM radio has better sound quality than AM radio. The disadvantage of FM signal is that it is more local and cannot be transmitted over long distance. Thus, it may take more FM radio stations to cover a large area.
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What makes FM better than AM?

With FM, the frequency (the number of times each second that the current changes direction) of the carrier signal is varied. FM signals have a great advantage over AM signals. Both signals are susceptible to slight changes in amplitude. With an AM broadcast, these changes result in static.
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What is the advantage of FM frequency?

In radio transmission, frequency modulation has a good advantage over other modulation. It has a larger signal-to-noise ratio meaning it will reject radio frequency interferences much better than an equal power amplitude modulation (AM) signal. For this major reason, most music is broadcasted over FM radio.
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What are the advantages and disadvantages of FM?

It provides a high sound-to-noise ratio with very low interference, the reason why it is used in a radio broadcast. One of the most significant drawbacks is that it does not cover a large area, and the system is very costly and complex.
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ADVANTAGE OF FM OVER AM(LECTURE-12 UNIT-02) BCT& SE,ACS

What are two disadvantages of FM as compared to AM?

Disadvantages of Frequency Modulation over Amplitude Modulation. The equipment needed for FM and AM systems is different. The equipment cost of an FM channel is more since the equipment is much more complex and involves complicated circuitry. As a result FM systems are costlier than AM systems.
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What are the 3 main advantages of FM over AM?

The main advantages of FM over AM are:
  • Improved signal to noise ratio (about 25dB) w.r.t. to man made interference.
  • Smaller geographical interference between neighboring stations.
  • Less radiated power.
  • Well defined service areas for given transmitter power.
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Why does FM sound so much better than AM?

Each FM station is allocated 150 kHz of bandwidth, which is 15 times that of an AM station. This means that an FM station can transmit 15 times as much information as an AM station and explains why music sounds so much better on FM.
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What is the primary disadvantage of FM over AM?

FM systems have a much wider bandwidth than AM systems and therefore more prone to selective fading.
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What are the disadvantages of FM systems over AM systems?

(i) A much wider channel typically 200 kHz is required in FM as against only 10 kHz in AM broadcast. This forms serious limitation of FM. (ii) FM transmitting and receiving equipment particularly used for modulation and demodulation tend to be more complex and hence more costly.
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What is the difference between FM and AM?

The main difference between both modulations is that in frequency modulation, the carrier wave frequency is modified as per the transmit data. In contrast, in amplitude modulation, the carrier wave is modified according to the data.
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What are the major uses of FM?

Frequency modulation is widely used for FM radio broadcasting. It is also used in telemetry, radar, seismic prospecting, and monitoring newborns for seizures via EEG, two-way radio systems, sound synthesis, magnetic tape-recording systems and some video-transmission systems.
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Why FM is used for sound?

Frequency modulation (FM)

Because the frequency of a radio wave is less vulnerable to noise than the amplitude, FM was originally introduced to reduce noise and improve the quality of radio reception. In order to accomplish this, FM radio signals have bandwidth several times that of AM signals.
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What are the advantages of AM?

Advantages of Amplitude Modulation
  • The cost of amplitude modulation is low.
  • Amplitude modulated signals are reflected by the earth from the ionosphere layer.
  • Thus, they travel a long distance and cover a wider area.
  • Required carrier frequency is low.
  • It requires a simple transmitter and receiver.
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Does FM have more energy than AM?

Since these radio waves are shorter than AM waves they can also carry more energy and are able to penetrate objects more easily. Therefore FM radio signals can be recieved indoors more easily.
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Does AM or FM use more power?

Power Consumption: FM based signal transmission consumes a higher amount of power than an equivalent AM based signal transmission system.
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When did FM radio become more popular than AM?

Radios started to have an FM band included with the AM band in the late 1950s and 1960s. By the 1970s, FM audience size surpassed that of AM, and the gap has been growing ever since.
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Why FM has a better transmission than AM station?

"FM, which stands for Frequency Modulation, has better sound quality due to higher bandwidth. Also, the way the audio is encoded for FM makes it less sensitive to interference from electrical activity from storms or electrical devices than AM.
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What is the main disadvantage of AM?

Amplitude modulation systems are susceptible to noise generation. This deteriorates the quality of the original signal at the receiving end and causes problems in the quality of the signal. This limits the applications of Amplitude Modulation to Radios, VHF, and systems used for one to one communications only.
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Which of the following is not an advantage of FM over AM?

7. Which one of the following is not an advantage of FM over AM? Explanation: Frequency Modulation has many advantages over amplitude modulation such as it has better noise immune, it requires less modulating power. But it requires higher bandwidth is not an advantage of FM when compared to AM.
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What are the advantages of FM over AM Quora?

FM radio has a wider channel, allowing better frequency response for music than AM. FM uses frequency modulation rather than amplitude modulation- hence the names. Amplitude modulation is the same thing as noise or static; frequency modulation doesn't respond to noise or static.
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Why is FM rather than AM used in most mobile radio system?

Because the frequency of a radio wave is less vulnerable to noise than the amplitude, FM was originally introduced to reduce noise and improve the quality of radio reception. In order to accomplish this, FM radio signals have bandwidth several times that of AM signals.
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Why do AM waves travel faster than FM?

Since AM radio operates at a lower frequency, it has much larger wavelengths. Larger wavelength waves can travel farther because they can travel well through solid objects. FM radio waves on the other hand do not travel well through solid objects.
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Why does AM radio get worse at night?

Most AM radio stations are required by the FCC's rules to reduce their power or cease operating at night in order to avoid interference to other AM stations.
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What is the difference between AM and FM radio quizlet?

What is the difference between AM and FM modulation? The differences is AM radio station broadcast information by changing the amplitude, and a FM radio station does it by changing the frequency.
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