ﺍﻟﺗﻠﻔﺎﺯ ﺍﻟﺗﻧﺎﻅﺭﻱ
PAL B/B, PAL B/G, PAL D/K, PAL-I
SECAM B/G, SECAM D/K
NTSC-M
VHF, UHF, CATV
ﻣﻥ 0 ﺇﻟﻰ 04 ﺩﺭﺟﺔ ﻣﺋﻭﻳﺔ
ﻣﻥ 02 - ﺇﻟﻰ 06 ﺩﺭﺟﺔ ﻣﺋﻭﻳﺔ
7
3000 : ﻭﺍﻟﺗﻠﻔﺎﺯ ﺍﻟﺗﻧﺎﻅﺭﻱDVB-T/T2 , DVB-C
6000 : DVB-S/S2
57 ﺃﻭﻡ
% 80 ﺃﻗﻝ ﻣﻥ
% 85 ﺃﻗﻝ ﻣﻥ
.ﻗﺩ ﻳﺧﺗﻠﻑ ﺍﺳﺗﻬﻼﻙ ﺍﻟﻁﺎﻗﺔ ﺍﻟﻔﻌﻠﻲ ﺗﺑ ﻌ ً ﺎ ﻟﻌﻭﺍﻣﻝ ﻣﺛﻝ ﻧﻭﻉ ﻣﺣﺗﻭﻯ ﺍﻟﻔﻳﺩﻳﻭ ﺍﻟﻣﻌﺭﻭﺽ ﻭﺇﻋﺩﺍﺩﺍﺕ ﺍﻟﺗﻠﻔﺎﺯ
ﺍﻟﻣﻭﺍﺻﻔﺎﺕ
ﻣﻭﺍﺻﻔﺎﺕ ﺍﻟﺑﺙ
ﺗﻠﻔﺎﺯ ﺭﻗﻣﻲ
DVB-T/T2
DVB-T/T2/C/S/S2
VHF, UHF
C-Band
, Ku-Band
(2
ﻅﺭﻭﻑ ﺑﻳﺋﺔ ﺍﻟﺗﺷﻐﻳﻝ
(ﺗ ُ ﺣ ﺩ ﱠﺩ ﻣﻌﻠﻭﻣﺎﺕ ﺍﻟﻁﺎﻗﺔ ﺍﻟﻣﻘ ﺩ ﱠﻣﺔ ﻣﻊ ﺍﻟﻣﻧﺗﺞ ﻭﻓ ﻘ ً ﺎ ﻟﻠﻭﺍﺋﺢ ﺍﻟﺑﻠﺩ. )ﻭﻓ ﻘ ً ﺎ ﻟﻠﺑﻠﺩ
.(IEC 62087) ﻳ ُ ﻘﺎﺱ ﺍﺳﺗﻬﻼﻙ ﺍﻟﻁﺎﻗﺔ ﺗﺑ ﻌ ً ﺎ ﻟﻠﺟﻧﺔ ﺍﻟﻛﻬﺭﺑﺎﺋﻳﺔ ﺍﻟﺗﻘﻧﻳﺔ ﺍﻟﺩﻭﻟﻳﺔ
(ﻟﻣﻌﻠﻭﻣﺎﺕ ﻋﻥ ﺗﺯﻭﻳﺩ ﺍﻟﻁﺎﻗﺔ ﻭﺍﺳﺗﻬﻼﻛﻬﺎ، ﺭﺍﺟﻊ ﺍﻟﻣﻠﺻﻖ ﺍﻟﻣﻭﺟﻭﺩ ﻋﻠﻰ ﺍﻟﻣﻧﺗﺞ. )ﻭﻓ ﻘ ً ﺎ ﻟﻠﺑﻠﺩ
. ﺃﻭ ﻟﻠﻭﺍﺋﺢ ﺍﻟﻁﺎﻗﺔ ﻓﻲ ﻛﻝ ﺑﻠﺩIEC 62087 ﻳﺗﻡ ﻗﻳﺎﺱ ﺍﺳﺗﻬﻼﻙ ﺍﻟﻁﺎﻗﺔ ﺍﻟ ﻣ ُ ﻌﺗﺎﺩ ﻭﻓ ﻘ ً ﺎ ﻟﻣﻌﻳﺎﺭ
.ﻓﻲ ﺑﻌﺽ ﺍﻟﻁﺭﺍﺯﺍﺕ، ﻳﻭﺟﺩ ﺍﻟﻣﻠﺻﻖ ﺩﺍﺧﻝ ﻏﻁﺎء ﻁﺭﻑ ﺗﻭﺻﻳﻝ ﺍﻟﺟﻬﺎﺯ ﺍﻟﺧﺎﺭﺟﻲ
.ﺣﺳﺏ ﺍﻟﻁﺭﺍﺯ ﺃﻭ ﺍﻟﺑﻠﺩ، ﻗﺩ ﻻ ﻳﻛﻭﻥ ﺍﺳﺗﻬﻼﻙ ﺍﻟﻁﺎﻗﺔ ﺍﻟ ﻣ ُ ﻌﺗﺎﺩ ﻋﻠﻰ ﺍﻟﻣﻠﺻﻖ
(1
( 2
(2
ﺃﻗﺻﻰ ﻋﺩﺩ ﻣﻥ ﺍﻟﺑﺭﺍﻣﺞ
ﻣﻘﺎﻭﻣﺔ ﺍﻟﻬﻭﺍﺋﻲ ﺍﻟﺧﺎﺭﺟﻲ
. ﻓﻘﻁDVB-T2 ﺍﻟﻁﺭﺍﺯﺍﺕ ﺍﻟﺗﻲ ﺗﺩﻋﻡ
. ﻓﻘﻁDVB-T2/C/S2 ﺍﻟﻁﺭﺍﺯﺍﺕ ﺍﻟﺗﻲ ﺗﺩﻋﻡ
ﺩﺭﺟﺔ ﺣﺭﺍﺭﺓ ﺍﻟﺗﺷﻐﻳﻝ
ﻧﺳﺑﺔ ﺭﻁﻭﺑﺔ ﺍﻟﺗﺷﻐﻳﻝ
ﺩﺭﺟﺔ ﺣﺭﺍﺭﺓ ﺍﻟﺗﺧﺯﻳﻥ
ﻧﺳﺑﺔ ﺍﻟﺭﻁﻭﺑﺔ ﻓﻲ ﻣﻛﺎﻥ ﺍﻟﺗﺧﺯﻳﻥ
()ﺗﺑ ﻌ ً ﺎ ﻟﻠﺑﻠﺩ
ﻧﻅﺎﻡ ﺍﻟﺗﻠﻔﺎﺯ
ﺗﻐﻁﻳﺔ ﺍﻟﻘﻧﺎﺓ
ﺍﻟﻘﺎﺑﻠﺔ ﻟﻠﺗﺧﺯﻳﻥ
1 (
2 (
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