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CCIR System C

From Wikipedia, the free encyclopedia

CCIR System C (originally known as the Belgian 625-line system) is an analog broadcast television system[1] used between 1953 and 1978[2] in Belgium, Italy, Netherlands and Luxembourg as a compromise between Systems B and L. Used on VHF only.[3]

Specifications

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Some of the important specifications for System C are listed below:[4][3][1][5]

Plan showing VHF frequency ranges for ITU Systems

Television channels were arranged as follows:[2]

System C 625 lines
Channel Video carrier (MHz) Audio carrier (MHz)
1 41.25 46.75
1A 42.25 47.75
2 48.25 53.75
2A 49.75 55.25
3 55.25 60.75
4 62.25 67.75
4A 82.25 87.75
5 175.25 180.75
6 182.25 187.75
7 189.25 194.75
8 196.25 201.75
9 203.25 208.75
10 210.25 215.75
11 217.25 222.75
12 224.25 229.75

See also

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Notes and references

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  1. ^ a b Documents of the XIth Plenary Assembly - Oslo, 1966 - Volume V - Sound Broadcasting Television (PDF). International Telecommunication Union. 1967.
  2. ^ a b "World Analogue Television Standards and Waveforms". August 30, 2012. Archived from the original on 30 August 2012.
  3. ^ a b "World Analogue Television Standards and Waveforms". August 30, 2012. Archived from the original on 30 August 2012.
  4. ^ Reference Data for Radio Engineers, ITT Howard W.Sams Co., New York, 1977, section 30
  5. ^ "C.C.I.R. Report 624-4 Characteristics of television systems, 1990" (PDF).
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