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Main hu PritamPyare aur aap sunn
rahe hai RadioMirchi 98.3 FM..Its HottTT..
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In common language, we
say that Communication asthe process or act ofsharing anything. Basically
we have two types ofcommunications; Wired &
Wireless.
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Radio is an electronic devicethat enables us to hear to
telecasted programs from miles
and miles away.
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The Transmitting Earth station is the
initial assembly where all the
transmission starts from. It includes
various sections like Studio and
Transmitter.
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The set of processes that occur in this stage is as follows:-
1. Announcer/R.J. gives voice input through Microphone.
2. Microphone passes it on to the Pre-amplifier.
3. From Pre-amplifier, it is passed on to the Drier-amplifier.
4. Drier-amplifier forwards it to the Power-amplifier.5. Then it goes to the Switching Console.
6. Various other equipments give input to the Switching Console like
Turntable, Tape-deck, Computers, Link-swap, etc.
7. From Switching Console, it is sent to the Refraining board, that
consists of Mixer, Oscillator, etc.8. Finally it is sent to the Studio Radar hoisted at a Radio Tower and
then aired to the satellite.
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Basically there are many sections of astudio. But some of the most widely usedare:Talk rooms, music room, announcerbooth, etc. All these give their respectiveoutput, and the outputs are collected in a
device at the control room called as theConsole.
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Console is a setup in which the output from various
segments are taken and the decision is made; what toforward to the transmitter and what not to.Some of the main parts of the console are:1) Remote 1
2) Remote 23) Transmission booth4) Talks5) Music
6) CDP ( Compact disc player )7) COMP ( Computer )8) Tone / Signature tune9) Master 110)Master 2
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It is a 20 KHz Medium Wave Transmitter. It
is the transmitter that is now a days used
the most. Before the introduction of
HARRIS 20-MWT, NIPPON ELECTRIC waswidely in use. It was a 10 KHz transmitter.
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Refraining
Board
Mixer
Oscillator
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1. LOW FREQUENCY AMPLIFIER:- It catches the signals
of the uplinked frequency and terminates the remaining.
2. MIXER:- With the help of an OSCILLATOR, another
new frequency is defined, which on which the signals
are again re-imposed by the Mixer.
3. POWER AMPLIFIER:- It makes the new wave thoroughand uniform, and throws the signal towards the
Receiving Earth Station with a frequency called as
Downlink Frequency.
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The set of steps in this process are as follows:-1. The Antenna catches the signals and forwards it to
the Fx-1632 Selector.2. The Fx-1632 Selector passes the signals equivalent
to the downlink frequency, and eliminates theremaining.
3. Then the signal is passed on to the Decoder, whichseparates out the main wave from the carrier wave.
It is also referred as Demodulation.4. Then, it is again passed on to the Switching
Console, through the Mikoshta Converter, fromwhere either it can be played there itself, or evenbroadcasted on air using the pre-describedprocess.
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Radio has become a very essential part of our
generation. From Radio sets to Public
transports..from our Nokia 1600 to a Honda
CRV.radio is listened to everywhere. So, with
these we are now in a state that we now know
how we get to hear songs like Munni Badnaam
and Sheela in our Radio sets. Finally. Ourvirtual tour to a Radio Station has ended.
Solemme stop here..
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