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In wavelength division multiplexing two modulated signals are guaranteed to differ in what characteristic?
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∙ 15y ago
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∙ 14y ago
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∙ 15y agocolor
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What characteristic two modulated signals are guaranteed to differ in wavelength division multiplexing?
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Which happen first the modulation or the multiplexing?
A terminal may transmit several application, at a time. All such data of that terminal is multiplexed, and this multiplexed signal is modulated onto a carrier.
What is the wavelength of and AM radio wave in a vacuum if its freqency is 810 kilhertz?
Wavelength = speed/frequency = 299,792,458/810,000 = 370.114 meters.It makes no difference whether it's AM, FM, TV, 256QAM, modulated, or CW.
What type of technology is used in DSL?
At the simplest level of explanation: frequency division multiplexing (FDM) with a 3 KHz baseband for telephone audio, a wider modulated carrier band for internet data, and sometimes one or more 6 MHz modulated carrier bands for TV station signals. The exact technical and electronic design details are somewhat different in different versions of DSL.
What wave has a shorter wavelength AM or FM?
Generally, the wavelength of an FM signal is shorter than an AM signal. A typical FM broadcast band is 88-108 MHz, while a typical AM broadcast band is 540-1660 KHz, making the FM signal wavelength 100 times shorter.
What does am and fm?
fm- frequency modulated am- amplitude modulated
How do waves carry signals?
Waves can be varied (modulated) by either changing amplitude (amplitude modulation AM) or changing frequency (wavelength) (frequency modulation FM). The modulations are used to carry the information signal.
What does a m mean in radio language?
AM = amplitude modulated. FM = frequency modulated.
A two cavity klystron tube is a?
a. velocity modulated tube b. frequency modulated tube c. Amplitude modulated tube d. simple triode
What is FM means frequency modulated or fast modulated?
FM means Frequency Modulation.
Which type of wave has a larger wavelength FM radio or AM radio?
There's no difference between a frequency-modulated wave and an amplitude-modulated wave. Either kind can be generated and transmitted with any wavelength you want. In the USA, however, AM broadcast stations are licensed to operate only in the band 550-1700 KHz, and FM broadcast stations are licensed to operate only in the band 88-108 MHz. So for ordinary programs that you listen to on an ordinary radio, the AM stations all have longer wavelengths than the FM stations have.
When a carrier is phase modulated with an integrated modulating signal the resultant is?
It gives frequency modulated signal
