Air (3)3. Basic Programme Chain at ALL INDIA RADIO
STUDIO
OUTSIDE
C-Band
UPLINK
S-Band
UPLINK
S-Band
Downlink
EQA
CONTROL
ROOM
DTH
Downlink
AUDIO SELECTOR SWITCH
PROG INPUT RACK(TR HALL)
EARTH
STATION
P&TLine
DTH
C-BandD’LINK
S-BandD’LINK
DIGTALLINK
MWLINK
FMLINK
DTH
Uplink
C-Band
Downlink
LIMITER TRANSMITTER
6. Categories of station
• Transmitter + Studio ( Co-sited)
( FM Station)
• Transmitter + Studio ( Non Co-sited)
( FM & AM Station)
• Transmitter
( Relay Centre , HPT , SPT)
9. Uplink Frequency
(i) Uplink freq. for S-Band
=Down link freq. + 3300 MHz
(ii) Uplink freq. for C-Band/
=Down link freq. + 2225 MHz
(iii) Ex. C Band
10. C - Band
Uplink Terminal
C - Band
Downlink Terminal
(DTH Uplink Station)
DTH Uplink Terminal
(Ku-Band)
12. S – Band
Uplink
C – Band
Uplink
Ku – Band
Uplink
(DTH)
S – Band
Downlink
C – Band
Downlink
Ku – Band
Downlink
(DTH STB)
AUDIO SELECTOR SWITCH
(PROG INPUT RACK AT TR HALL)
17. What is the basic recognition of
a Radio Transmitter?
It’s
Carrier Frequency
18. What is the power of a
Radio Transmitter?
It’s
Rated Carrier Power
19. What are the basic types of
Modulation?
• Amplitude Modulation
• Frequency Modulation
• Digital Modulation
21. What are the basic type of
Radio Transmitter?
• AM Transmitter
• FM Transmitter
• Digital Transmitter
22. What are the basic type of AM
Transmitter?
• 10 kW
• 2 X 10 kW
• 100 kW
• 2 X 100 kW
• 300 kW
• 2 X 500 kW
23. What are the basic types of
FM Transmitter?
• 3 kW
• 2 X 3 kW
• 5 kW
• 2 X 5 kW
• 2 X 10 kW
Editor's Notes EQA : EXTERNAL QUALITY ASSEMENT