Analog TV systems global map, with System D in pink.

CCIR System D is an analog broadcast television system used in Bulgaria, Latvia, Lithuania, Poland, Romania, Slovakia, Czech Republic, Hungary, Albania and the People's Republic of China, Mongolia, Kyrgyzstan, North Korea, Tajikistan, Turkmenistan, Uzbekistan, Armenia, Azerbaijan, Georgia, Kazakhstan, Moldova, Russia, Ukraine and Belarus paired with the PAL/SECAM colour.[1][2][3][4]

Initially known as the I.B.T.O. 625-line system this was the first 625-line system, developed by Mark Iosifovich Krivosheev in 1948,[5][6] and later associated with the SECAM and PAL color systems. Used on VHF only in most countries, it usually combined with System K on UHF. In China, it is used for both VHF and UHF.[7][8]

Specifications

The general specifications for System D are listed below:[9]

Plan showing VHF frequency ranges for ITU Systems

Television channels were arranged as follows:[10][11]

Original OIR assignments
System D 625 lines
ChannelVideo carrier (MHz)Audio carrier (MHz)
I41.7548.25
II49.7556.25
III59.2565.75
IV77.2583.75
1145.25151.75
2153.25159.75
3161.25167.75
4169.25175.75
5177.25183.75
6185.25191.75
7193.25199.75
8201.25207.75
9209.25215.75
Assignments since 1965
System D 625 lines
ChannelVideo carrier (MHz)Audio carrier (MHz)
149.7556.25
259.2565.75
377.2583.75
485.2591.75
593.2599.75
6175.25181.75
7183.25189.75
8191.25197.75
9199.25205.75
10207.25213.75
11215.25221.75
12223.25229.75
Channel arrangement for China (since 1970[12])
ChannelFrequency range (MHz)Video carrier (MHz)Audio carrier (MHz)DTMB center frequency (MHz)
Band I
148.5-56.549.7556.2552.5
256.5-64.557.7564.2560.5
364.5-72.565.7572.2568.5
476-8477.2583.7580
584-9285.2591.7588
Band III
6167-175168.25174.25171
7175-183176.25182.75179
8183-191184.25190.75187
9191-199192.25198.75195
10199-207200.25206.75203
11207-215208.25214.75211
12215-223216.25222.75219
UHF System D arrangement for China
ChVideo (MHz) DTMB (MHz)Audio (MHz)
13471.25 474477.75
14479.25 482485.75
15487.25 490493.75
16495.25 498501.75
17503.25 506509.75
18511.25 514517.75
19519.25 522525.75
20527.25 530533.75
21535.25 538541.75
22543.25 546549.75
23551.25 554557.75
24559.25 562565.75
25605.25 610611.75
26613.25 618619.75
27621.25 626627.75
28629.25 634635.75
29637.25 642643.75
30645.25 650651.75
31653.25 658659.75
32661.25 666667.75
33669.25 674675.75
34677.25 682683.75
35685.25 690691.75
36693.25 698699.75
37701.25 706707.75
38709.25 714715.75
39717.25 722723.75
40725.25 730731.75
41733.25 738739.75
42741.25 746747.75
43749.25 754755.75
44757.25 762763.75
45765.25 770771.75
46773.25 778779.75
47781.25 786787.75
48789.25 794795.75
49797.25 802803.75
50805.25 810811.75
51813.25 818819.75
52821.25 826827.75
53829.25 834835.75
54837.25 842843.75
55845.25 850851.75
56853.25 858859.75
57861.25 866867.75
58871.25 874877.75
59879.25 882885.75
60887.25 890893.75
61895.25 898901.75
62903.25 906909.75
  • The original assignments of channels 25 to 57 were 2 MHz higher in frequency until c.1984. Channels 58 to 62 were deleted at this time.

See also

References

  1. ↑ Report 624-4 Characteristics of television systems (PDF). UIT. 1990.
  2. ↑ "World Analogue Television Standards and Waveforms". August 30, 2012. Archived from the original on 30 August 2012.
  3. ↑ "Weltweite Fernsehsysteme (NTSC, PAL und SECAM)". www.paradiso-design.net. 2005. Retrieved 2023-03-06.
  4. ↑ Amadeus Trappe, Raffael (2005). "Weltweite Fernsehsysteme (NTSC, PAL und SECAM)". www.paradiso-design.net. Retrieved 2023-06-05.
  5. ↑ ""M.I. Krivosheev: Participation in the development of mass TV broadcasting" - an exhibition at Ostankino TV Center".
  6. ↑ "Mark Iosifovich Krivosheev (1922-2018)".
  7. ↑ 中华人民共和国国家标准 PAL-D制电视广播技术规范 GB 3174-1995 (in Chinese (China)). 中国标准出版社. 20 December 1995.
  8. ↑ 中华人民共和国国家标准 有线电视频率配置 GB/T 17786-1999 (in Chinese (China)). 中国标准出版社. 12 July 1999. pp. 3–5.
  9. ↑ "World Analogue Television Standards and Waveforms". 2007-05-15. Archived from the original on 2007-05-15. Retrieved 2023-04-13.
  10. ↑ "World Analogue Television Standards and Waveforms". www.pembers.freeserve.co.uk. Archived from the original on 30 August 2012. Retrieved 12 January 2022.
  11. ↑ "World Analogue Television Standards and Waveforms". www.pembers.freeserve.co.uk. Archived from the original on 30 August 2012. Retrieved 12 January 2022.
  12. ↑ "上海广播电视志". 上海通 (in Chinese (China)). 上海市地方志办公室. Retrieved 15 July 2023.
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