A briefer on DAB+ Digital Technology and Elenos family of DAB+ transmitters and typical coverage of DAB+ low-medium power transmitters.

1. DAB+ Basics,DAB+ Familyof Digital Transmitters
and DAB+ Coverage

2. DAB Overview

3. What is Digital Radio?
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Radio has traditionally been delivered by AM and FM
•AM – 1920s (MW : 531 - 1611kHz)
•FM – 1940s (Band II : 87.5 – 108MHz)
Multiple Digital Radio standards
-DAB / DAB+ / T-DMB
-DRM / DRM+
-HD
-ISDB-T
DAB family of standards have the widest acceptance, the most
available receivers, the widest choice of infrastructure and the
overall lowest cost

4. The DAB Family ofStandards
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The Eureka Family of Standards
• DAB : 1995 Original audio with PAD and data services standard
• T-DMB : 2006 Added video services for Mobile TV and enhanced
data streaming
• DAB+ : 2007 Enhanced audio service efficiency
Why DAB+?
• 2.5 times more audio services than DAB due to the use of HE AAC+ v2
• Slightly better coverage – 1 to 2dB better than DAB – better FEC coding
• More flexibility for Programme Associated Data delivery
• PAD content has much stronger error protection

5. DAB Standards
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For detailed description of the DAB+ system refer to the following ETSI
standards documents
•EN 300 401 Main document
•TR 101 496-1, -2, -3 Guidelines of use and operation
•TS 102 563 Transport of AAC audio

6. DAB Features
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More stations with digital quality sound
The ability to select a service (station) from a list
The ability to broadcast Program Associated Data
• Text
• Images
• Information is transmitted with the audio stream
The ability to broadcast independent Data Services
• Electronic Program Guide
• Journaline
• Customer applications, e.g. Financial data, Education data

7. Other DAB Features
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Program information
- Announcements (verbal interruptions to normal program)
- Traffic
- News and Weather
- Emergency warnings
- Program type
- Rock, Light Classics, Country, Current Affairs, News etc
o Multiple Languages supported
Ensemble identifiers
- Ensemble ID
- Frequency used
- Region ID
- Service ID
- Transmitter Identification (TII code)

8. Typical FMNetwork
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100.3
98.2
97.5
104.3
102.5
102.8
93.3
100.1
95.4
95.7
103.4
101.5
100.1
92.5
2 stations using 14 FM frequencies! (example)
2 stations using totally 45 000 W ! (example)

9. DAB+ RF Spectrum
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10. DAB+ Transmission Australia
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11. DAB+ Network
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20 stations using 1 DAB frequency (SFN)
20 stations using totally 10 000 W for same coverage (example)
MULTIPLEXER
SFN

12. Typical DAB System
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13. Typical DAB RF System
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DAB+ Transmitter
Channel Filter
Antenna System

14. Our Company and Technology

16. About ELENOS…
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Started in 1977……..

17. www.elenos.com

18. Our CUSTOMERS Say…
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“ Very reliable products
and wonderful assistance “

19. FM From 150 W…

20. What makes us DIFFERENT?...
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o We build our own power supplies to
maintain the highest quality standard
o Planar technology:
 Reduced number of parts
 Reduced failure
 Reduced heat consumption
 Increased efficiency
o Tropicalized Circuit Boards
o Icefet, Ecosavings lifeXtender

21. Product Compliance – ETSI and FCC
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o EN 60215 Health and Safety Requirements
o EN301 489-1 Electromagnetic Compatibility
o EN 302 018-2 Measures for the Efficient Use of
the radio Frequency Spectrum
o FCC Part 73.801 Low Power FM Broadcast
Stations (LPFM)
o EN 300 401 DAB

22. www.elenos.com
Other Certifications

23. www.elenos.com
Planar Technology

24. www.elenos.com
ELENOS RF design “philosophy”:
Very high efficiency in alloutput power ranges
Very low temperatures
Very long product life
ICEFET Technology…

25. www.elenos.com
Infrared view…

26. www.elenos.com
ECOSAVING Quality…
The new generation of transmitters by ELENOS that
are highly efficient, resulting in a big advantage for
the ecology and for the cost of operation.
A “Win-Win” Combination

27. www.elenos.com
LIFEXTENDER Technology…
System (hardware and software) that allows
safe transmitter function in extremely tough
environmental conditions, maintaining
performance standards.

28. www.elenos.com
LIFEXTENDER Technology…

29. www.elenos.com
Non- Corrosive Design

30. www.elenos.com
Power Supplies

31. www.elenos.com
RF and Low Pass Filter Design

32. www.elenos.com
Exciter Technology – Digital Option

33. www.elenos.com
Direct-To-Channel Digital Exciter Technology

34. www.elenos.com
Total Control
Lumina
Galaxy Tab
Galaxy Phone
iPad/iPad Mini
iPhone

35. www.elenos.com
ECHOS3-EBOX Total Control…

36. www.elenos.com
REMOTE MONITOR & CONTROL…

37. DAB+ 4RU Products

38. www.elenos.com
DAB 300/600… 1200
300 or 600 Watts of power in a 4U chassissavesthat precious space at
your transmitter site

39. www.elenos.com
DAB 300/600 Product Features
 Compact dimensions
4U racksize
Weight max 38Kg (83.87Lbs)
Easy to install and maintain
AirCooled –Six Intelligent Fans
Remotable Control and Management
Energy saving, Ecosaving
Pwrconsumption: DAB600 2 KW

40. www.elenos.com
DAB 300/600 Product Features
 SFN/MFN Network Operation
Delay Compensation 1s, Steps 100 ns
Adaptive Precorection (non Linear)
Adjustable Crest Factor Reduction (PAPR)
Direct-toChannel Digital Exciter
High MER – 33 dB
DAB, DAB+. T-DMBSupported Standards
DAB Modes I, II, III, IV

41. www.elenos.com
DAB300/ DAB600 …

42. www.elenos.com
Front Panel…

43. www.elenos.com
Rear Panel…

44. www.elenos.com
Interfaces.........

45. Antenna Coverage Maps Reference –
Frank W. Massa
APAC Sales Manager 2/2014

46. www.elenos.comwww.elenos.com
General Reference
• FM Coverage Criteria
– The required minimum field strength to provide a
good stereo signal is:
• 34.4 dBμV/m

47. DAB Coverage – 300 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
UdonThaniCoverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend

48. DAB Coverage – 600 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
UdonThaniCoverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend

49. DAB Coverage – 1200 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
UdonThaniCoverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend

50. DAB Coverage – 300 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
NakhonRatchasima Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend

51. DAB Coverage – 600 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
NakhonRatchasima Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend

52. DAB Coverage – 1200 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
NakhonRatchasima Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend

53. DAB Coverage – 300 Watts, 8 dB Antenna 120 m
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Bangkok Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend

54. DAB Coverage – 600 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Bangkok Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend

55. DAB Coverage – 1200 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Bangkok Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend

56. Prepared by:
Frank W. Massa
Asia Pacific Sales
Elenos / 305 Broadcast
M: +66 83 618-9333
T: +1 831 264-4159
f.massa@elenos.com
Skype: fstarport
Twitter: @fstarport