ﺍﻟﺗﻠﻔﺎﺯ ﺍﻟﺗﻧﺎﻅﺭﻱ
،PAL B/G ،PAL B/B
،PAL-I ،PAL D/K
،SECAM D/K ،SECAM B/G
NTSC-M
CATV ،UHF ،VHF
2,000 : ﻭﺍﻟﺗﻠﻔﺎﺯ ﺍﻟﺗﻧﺎﻅﺭﻱDVB-T/T2
6,000 :DVB-S/S2
ﺑﻣﻘﺎﻭﻣﺔ ﻗﺩﺭﻫﺎ 57 ﺃﻭﻡ
(. ﻻ ﺗﻧﻁﺑﻕ ﻓﻲ ﺍﻟﻔﻠﺑﻳﻥDVB-T2 ﻓﻲ ﻁﺭﺍﺯDVB-T/T2 ﻓﻘﻁ. )ﺭﻏﻡ ﺃﻥّ ﻣﻳﺯﺓDVB-T2 ﺍﻟﻁﺭﺍﺯﺍﺕ ﺍﻟﺗﻲ ﺗﺩﻋﻡ
ﻣﻥ 0 ﺇﻟﻰ 04 ﺩﺭﺟﺔ ﻣﺋﻭﻳﺔ
% 80 ﺃﻗﻝ ﻣﻥ
ﻣﻥ -02 ﺇﻟﻰ 06 ﺩﺭﺟﺔ ﻣﺋﻭﻳﺔ
% 85 ﺃﻗﻝ ﻣﻥ
.ﻗﺩ ﻳﺧﺗﻠﻑ ﺍﺳﺗﻬﻼﻙ ﺍﻟﻁﺎﻗﺔ ﺍﻟﻔﻌﻠﻲ ﺗﺑ ﻌ ًﺎ ﻟﻌﻭﺍﻣﻝ ﻣﺛﻝ ﻧﻭﻉ ﻣﺣﺗﻭﻯ ﺍﻟﻔﻳﺩﻳﻭ ﺍﻟﻣﻌﺭﻭﺽ ﻭﺇﻋﺩﺍﺩﺍﺕ ﺍﻟﺗﻠﻔﺎﺯ
ﻣﻭﺍﺻﻔﺎﺕ ﺍﻟﺑﺙ
ﺗﻠﻔﺎﺯ ﺭﻗﻣﻲ
DVB-T/T2
1
DVB-T/T2/C/S/S2
2
Ku-Band
،C-Band
،UHF ،VHF
2
2
. ﻓﻘﻁDVB-T2/C/S2 ﺍﻟﻁﺭﺍﺯﺍﺕ ﺍﻟﺗﻲ ﺗﺩﻋﻡ
ﻅﺭﻭﻑ ﺑﻳﺋﺔ ﺍﻟﺗﺷﻐﻳﻝ
ﺩﺭﺟﺔ ﺣﺭﺍﺭﺓ ﺍﻟﺗﺷﻐﻳﻝ
ﻧﺳﺑﺔ ﺭﻁﻭﺑﺔ ﺍﻟﺗﺷﻐﻳﻝ
ﺩﺭﺟﺔ ﺣﺭﺍﺭﺓ ﺍﻟﺗﺧﺯﻳﻥ
ﻧﺳﺑﺔ ﺍﻟﺭﻁﻭﺑﺔ ﻓﻲ ﻣﻛﺎﻥ ﺍﻟﺗﺧﺯﻳﻥ
(ﺗ ُ ﺣ ﺩ ﱠ ﺩ ﻣﻌﻠﻭﻣﺎﺕ ﺍﻟﻁﺎﻗﺔ ﺍﻟﻣﻘ ﺩ ﱠ ﻣﺔ ﻣﻊ ﺍﻟﻣﻧﺗﺞ ﻭﻓ ﻘ ً ﺎ ﻟﻠﻭﺍﺋﺢ ﺍﻟﺑﻠﺩ. )ﻭﻓ ﻘ ً ﺎ ﻟﻠﺑﻠﺩ
.(IEC 62087) ﻳ ُﻘﺎﺱ ﺍﺳﺗﻬﻼﻙ ﺍﻟﻁﺎﻗﺔ ﺗﺑ ﻌ ًﺎ ﻟﻠﺟﻧﺔ ﺍﻟﻛﻬﺭﺑﺎﺋﻳﺔ ﺍﻟﺗﻘﻧﻳﺔ ﺍﻟﺩﻭﻟﻳﺔ
ﺍﻟﻣﻭﺍﺻﻔﺎﺕ
()ﻭﻓ ﻘ ً ﺎ ﻟﻠﺑﻠﺩ
ﻧﻅﺎﻡ ﺍﻟﺗﻠﻔﺎﺯ
ﺗﻐﻁﻳﺔ ﺍﻟﺑﺭﺍﻣﺞ
ﺃﻗﺻﻰ ﻋﺩﺩ ﻣﻥ ﺍﻟﺑﺭﺍﻣﺞ ﺍﻟﻘﺎﺑﻠﺔ
ﻟﻠﺗﺧﺯﻳﻥ
ﻣﻌﺎﻭﻗﺔ ﺍﻟﻬﻭﺍﺋﻲ ﺍﻟﺧﺎﺭﺟﻲ
1
2
•
-
•
18