RTV 3007 Audio_Video Lesson 3

RTV 3007 Audio_Video Lesson 3 - Step3SignalTransmission

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Step 3 - Signal Transmission Electromagnetic Spectrum is very large Radio and television signals occupy a portion of the ES
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Step 3 - Signal Transmission o Radio and television signals occupy a portion of  the electromagnetic spectrum n Radio and television stations are assigned specific  frequencies n Carrier wave  - the signal produced by a station’s  transmitter  o AM - The carrier wave is modulated o FM - The frequency is modulated
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AM and FM radio stations use different  portions of the spectrum
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VHF and UHF television stations use  different portions of the spectrum
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Communicating With Electromagnetic  Energy o The oscillations of a  wave defines its frequency
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Frequency Different Frequencies Behave  Differently!! Ground Waves  ( AM Radio )
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Frequency Different Frequencies Behave  Differently!! Sky Waves Daytime (AM Radio)
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Frequency Different Frequencies Behave Differently!!
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RTV 3007 Audio_Video Lesson 3 - Step3SignalTransmission

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