Post on 23-Dec-2015
Beath High School - Int 1 Physics 1
Intermediate 1 Physics
Telecommunication Glossary aerial to
earpiece fax to hertz
loudspeaker to oscilloscope picture tube to receiver
reflection to telephone
transmitter to wavelength
Beath High School - Int 1 Physics 2
aerial
aerial to earpiece
amplifier
amplitude
decoder
earpiece
part of a radio or TV which takes in all
radio wavespart of a radio or TV which increasesthe strength of a signal
the height of a wave
part of a radio or TV which takes thesignal off the carrier radio waves
part of a telephone in which is aspeaker which changes an electricalsignal to sound
Beath High School - Int 1 Physics 3
fax
fax to hertz
FM
frequency
Geostationary
satellite
hertz
a machine which sends a signal along
telephone wires and makes a copy of a
document at a distancefrequency modulation – a way ofsending high quality radio messages
the number of waves each second
a satellite which orbits once every 24
hours and stays above the same point
on the equatorthe units for frequency
Beath High School - Int 1 Physics 4
loudspeaker
loudspeaker to oscilloscope
mobile
phonemouthpiece
optical fibre
oscilloscope
this device changes electrical energy to
sound in the earpiece of a telephonea phone which is both a transmitter
andreceiver and uses radio waves tocommunicate with a base stationthis is the part of a telephone whichcontains a microphone
a long, thin piece of glass throughwhich a beam of light can travel
an instrument which displayspictures of electrical signals
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picture tube
picture tube to receiver
pitch
power
supplyradio waves
receiver
this device changes electrical energy to
light in a televisionhow high or low a sound is, e.g. awhistling kettle produces a high
pitchednotethis is the part of a radio or
televisionwhich supplies the amplifier with
extraenergyinvisible rays of energy which can beused to carry signals
the part of a communications system
which takes in and replays the signal
Beath High School - Int 1 Physics 6
reflection
reflection to telephone
reflector
telecommunication
telegraph
telephone
light “bouncing” off a shiny surface
a shiny surface which light bounces off
easily
passing a message over a distance
the use of wires to send a message,e.g. using morse code
sending a sound message using wires,
optical fibres or radio waves
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transmitter
transmitter to wavelength
tuner
wavelength
the part of a communications system
which sends out the signalthe part of a radio or television
whichselects the station you wishthe distance from the crest of onewave to the crest of the next wave
Beath High School - Int 1 Physics 8
Intermediate 1 Physics Telecommunication
End of Glossary