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Unformatted text preview: TELECOM
TELECOM V = f x λ
hz m V is speed ,f is frequency
λ is wavelength TELECOM
v =d/t v is speed in m/s d is distance in m
t is time ins TELECOM
Radio waves are carried from transmitter by the carrier wave.
Speed of radio waves is 300,000,000m/s TELECOM
The main parts of a radio receiver are
Aerial – receives all signals
Tuner – tunes into one particular signal TELECOM
Decoder – separates the carrier wave from the audio (sound ) wave
Amplifier gives a bigger copy of the audio wave TELECOM
LOUDSPEAKER TURNS THE ELECTRICAL SIGNAL INTO SOUND
DIFFERENT RADIO STATIONS ARE IDENTIFIED BY THE CARRIER WAVE FREQUENCY SPACE
SPACE Radio waves are detected by large curved dishes similar to the dish aerials in T.V. systems ...
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This note was uploaded on 11/08/2011 for the course PHYSICS 121 taught by Professor Richardvanfleet during the Winter '09 term at BYU.
- Winter '09