Upload
mohan-jha
View
235
Download
0
Embed Size (px)
Citation preview
8/12/2019 Rajesh Ppt 13.10
1/36
PRESENTATION
ON
INDUSTRIAL SUMMER TRAININGAT
8/12/2019 Rajesh Ppt 13.10
2/36
ALL INDIA RADIO
(AIR) HAS BEEN
SERVING TO INFORM,
EDUCATE AND
ENTERTAIN THE MASSESSINCE IT'S INCEPTION,
TRULY LIVING UP TO ITS
MOTTO BAHUJAN
HITAYA: BAHUJANSUKHAYA.
MISSION
WELCOME TO PRASAR BHARTI
8/12/2019 Rajesh Ppt 13.10
3/36
In June 1923 the Radio Clu o! "o#a$
#ade the !i%&t e'e% %oad(a&t in the(ount%$
The Indian "%oad(a&tin) Co#*an$ +I"C,
(a#e into ein) on Jul$ 23- 192.
The te(hnolo)$ ado*ted i& the Di)ital Radio
Mondiale o% DRM/ 0ith the ta%)et o! (o#*lete
di)itiation $ 21.
8/12/2019 Rajesh Ppt 13.10
4/36
AIR& ho#e &e%'i(e (o#*%i&e& 2..
&tation& toda$ lo(ated a(%o&& the (ount%$/
Rea(hin) nea%l$ 924 o! the (ount%$&
a%ea and 99/19 4 o! the total *o*ulation/
AIR o%i)inate& *%o)%a##in) in 23lan)ua)e& and 156 diale(t&
8/12/2019 Rajesh Ppt 13.10
5/36
1 4 Andh%aP%ade&h- "iha%-Chhati&)ah- Delhi- Goa-7a%$ana- Jha%8hand-a%nata8a- Madh$a
P%ade&h- Mani*u%-Me)hala$a- O%i&&a-Pondi(he%%$- T%i*u%a-Utta% P%ade&h-Utta%an(hal/
: 4 ; #o%e than
A&&a#- Maha%a&ht%a-Ra
8/12/2019 Rajesh Ppt 13.10
6/36
8/12/2019 Rajesh Ppt 13.10
7/36
Title
= Te>t
e%
8/12/2019 Rajesh Ppt 13.10
8/36
8/12/2019 Rajesh Ppt 13.10
9/36
8/12/2019 Rajesh Ppt 13.10
10/36
Mi(%o*hone
T%an&%e(ei'e% A#*li!ie% tune%
Anntena
e$*addle
TNC COMPU
TER
HOW RADIOS SENDS AND RECEIVE INFORMATIONS
8/12/2019 Rajesh Ppt 13.10
11/36
PO0ER SUPPL? IN AIR
8/12/2019 Rajesh Ppt 13.10
12/36
8/12/2019 Rajesh Ppt 13.10
13/36
In hi)h *o@e% A/M/ t%anitte%- lot o! *o@e% i&
di&&i*ated in the 'al'e a& the in*ut *o@e% i& not !ull$
(on'e%ted into out*ut R//
*o@e% due to the e!!i(ien($ o! the a#*li!ie% @hi(h
ne'e% %ea(he& 14/ 7en(e the 'al'e& ha'e to e
(ooled/
Di!!e%ent t$*e& o! (oolin) a%e u&ed in AIR
t%anitte% at *%e&ent/
8/12/2019 Rajesh Ppt 13.10
14/36
P%a&a% "ha%ati A(t (a#e into e>i&ten(e
on 23 no' 199.
It i& the Puli( Se%'i(e "%oad(a&te% o!
the (ount%$//
The o
8/12/2019 Rajesh Ppt 13.10
15/36
8/12/2019 Rajesh Ppt 13.10
16/36
8/12/2019 Rajesh Ppt 13.10
17/36
8/12/2019 Rajesh Ppt 13.10
18/36
8/12/2019 Rajesh Ppt 13.10
19/36
8/12/2019 Rajesh Ppt 13.10
20/36
To@ &tation& (an u&e a &etellite a& a %ela$&tation !o% thei% (o##uni(ation/
One ea%th &tation &end& a t%ani&&ion tothe &etellite - thi& i& (alled u*lin8 /
The &atellite t%an&*onde%(on'e%t& the &i)naland &end& it do@n to the &e(ond ea%th &tation /
Thi& i& (alled a do@nlin8 /
8/12/2019 Rajesh Ppt 13.10
21/36
RADIO 0ABE
8/12/2019 Rajesh Ppt 13.10
22/36
8/12/2019 Rajesh Ppt 13.10
23/36
Radio @a'e& a%e a t$*e o! ele(t%o#a)neti(
%adiation @ith @a'elenth/
In the ele(t%o#a)neti( &*e(t%u# lon)e% than
in!%a%ed li)ht
Radio @a'e& ha'e !%euen($ !%o# 3 G7 to
a& lo@ a& 3 87
And (o%%e&*ondin) @a'elen)th& !%o# 1
#illi#ete% to 1
8/12/2019 Rajesh Ppt 13.10
24/36
P%o*a)ation #ode& i#a)e&
8/12/2019 Rajesh Ppt 13.10
25/36
Ni)ht Da$
Ni)ht Da$
Radiatio
%o#
&un
8/12/2019 Rajesh Ppt 13.10
26/36
8/12/2019 Rajesh Ppt 13.10
27/36
8/12/2019 Rajesh Ppt 13.10
28/36
8/12/2019 Rajesh Ppt 13.10
29/36
M#$l"%!#n
8/12/2019 Rajesh Ppt 13.10
30/36
N&&
#
M#$l"%!#n
8/12/2019 Rajesh Ppt 13.10
31/36
Antenna &ie (an e %edu(ed $
#odulatin) the &i)nal o'e% hi)he%
!%euen($/
To di!!e%entiate a#on) t%ani&&ion&+&tation&,
Ma>i#u# to #ini#u# !%euen($ %atio (ane %edu(ed to #ini#u# $ #odulatin) the
&i)nal on a hi)h !%euen($/
8/12/2019 Rajesh Ppt 13.10
32/36
8/12/2019 Rajesh Ppt 13.10
33/36
AMPLITUDE MODULATION
A
t
t
t
8/12/2019 Rajesh Ppt 13.10
34/36
A
t
t
t
Modulatin) &i)nal +audio,
Ca%%ie% &i)nal
# &i)nal
FREUENCY MODULATION
8/12/2019 Rajesh Ppt 13.10
35/36
A
Modulatin) &i)nal
Ca%%ie% &i)nal
P# &i)nal
t
t
t
P7ASE MODULATION
8/12/2019 Rajesh Ppt 13.10
36/36