Txheej txheem cej luam
Lub DMB-9020C HD Professional IRD suav nrog kev tshaj tawm qib txais, Demodulator, Descrambler thiab Decoder. Cov nplua nuj ntau yam ntawm INPUTS qauv kev xaiv ua rau nws ua tau raws li ntau hom kev tshaj tawm thiab cov ntawv thov kev faib tawm, txhawb cov peev txheej los ntawm satellite (DVB-S / S2), terrestrial (DVB-T), Cable network (DVB-C). Tsis tas li ntawd, DMB-9020C tau txais kev siv thev naus laus zis thev naus laus zis thev naus laus zis, muaj peev xwm los txiav txim siab ntau hom Kev thauj mus los ntws (TS) nrog ultra-low latency uas suav nrog HD thiab SD, MPEG-4 AVC /H.264 thiab MPEG-2, kev txiav txim siab thiab tso tawm cov yeeb yaj kiab Composite, Cov Khoom (YPbPr), HDMI teeb liab thiab ob lub suab teeb liab (2 Suab PID) uas tuaj yeem xaiv los ntawm NMS raws li qhov xav tau tiag tiag. Lub caij no, kev ruaj ntseg ntawm cov ntsiab lus yog txhua yam tseem ceeb, HD Professional IRD txhawb nqa tag nrho cov xwm txheej tseem ceeb hauv kev nkag nrog rau BISS 1, BISS E, Irtedo, Viaccess thiab Conax thiab lwm yam nrog 2 DVB-CI slots (Common Interface). Tag nrho cov nta saum toj no ua kom yooj yim rau digital TV headend system thiab kev faib tawm, txhim kho kev ruaj ntseg ntawm kev tshaj tawm, txuag tus nqi thiab chaw rau cov neeg tshaj tawm xov xwm, digital TV tswv, cov chaw muab kev pabcuam video.
Nta:
Tuner (DVB-S2 / S, DVB-C thiab DVB-T yeem) Cov tswv yim rau kev xaiv
Lub module ntawm DVB-S2 receiver txo tus nqi satellite bandwidth.
Multi-services descrambling: BISS hom 1 thiab E, 2xDVB-CI slots (rau CAM)
Multi-Format decoding nrog tsis siv neeg hom ntawv nrhiav pom muaj xws li MPEG-2 thiab H.264, SD thiab HD.
Kev nplua nuj Analog thiab Digital Outputs suav nrog CVBS, YPbPr, HDMI, XLR, L / R
Tso zis 2 Suab PID ntawm ob lub xov tooj digital suab decoding ntawm MPEG1 Txheej II thiab AAC
Tso zis suab hom: Sab laug, Txoj Cai, Dual mono, Stereo.
Muab 2 kev ywj pheej ASI tso zis
Kev tswj chaw taws teeb thiab kev tswj hwm los ntawm SNMP, HTTP WEB thiab Proprietary HDMS software
Dynamic PMT pib nrhiav thiab hloov kho
Txhawb Kaw Lub Npe, VBI TELETEXT, EBU / DVB Subtitle
Muaj peev xwm ntawm lub hwj chim-tawm nco
Cim npe nrov: Tuam Tshoj integrated receiver decoder manufacturers, lwm tus neeg, Hoobkas
Specifications
Thauj kwj input interfaces (yeem)
DVB-S/S2 Tuner Input
Connector Hom: 1 × F hom poj niam 75Ω rau cov tswv yim
1 × Ftype poj niam 75Ω rau lub voj los ntawm cov zis
Input zaus: 950 ~ 2150MHz
Kev nkag siab theem -25~-65dBm
Lub cim tus nqi: 5 ~ 45MBaud / s rau QPSK
10 ~ 31MBaud/s rau 8PSK
Roll Off Factor: DVB-S QPSK: 0.35
DVB-S2 8PSK: 0.35, 0.25, 0.2
FEC Code Rate: DVB-S QPSK: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6,8/9, 8/10
DVB-S2 8PSK: 3/5, 2/3, 3/4, 5/6, 8/9,9/10
LNB Polarity Xaiv Voltage: 0, 13V, 18V (yeem)
LNB Band Xaiv Tone: 0/22KHz xaiv tau
Satellite Selection Command: DiSEqC 1.0
DVB-C Tuner Input
Connector Hom: 1 × F hom poj niam 75Ω rau cov tswv yim
1 × Ftype poj niam 75Ω rau lub voj los ntawm cov zis
Input FrequencyRange: 48 ~ 860MHz
Cov tswv yim theem: 45 ~ 75dBμV
Tus lej cim: 1 ~ 7MBaud (ITU J.83 Annex A)
Constellation: 16/32/64/128/256 QAM
Bandwidth: 6MHz, 7MHz, 8MHz
Input Rov Los Poob: 7dB (typ.)
DVB-T Tuner Input
Connector Hom: 1 × F hom poj niam 75Ω rau cov tswv yim
1 × Ftype poj niam 75Ω rau lub voj los ntawm cov zis
Input FrequencyRange: 104 ~ 862MHz (VHF/UHF)
Qib nkag: -20~-70dBm (Quasi yuam kev Free, QEF)
Constellation: QPSK, 16-QAM, 64-QAM
Bandwidth 6MHz, 7MHz, 8MHz
FFT hom: 2K, 8K
Guard Interval: 1/4, 1/8, 1/16, 1/32
FEC Code Tus Nqi: 1/2, 2/3, 3/4, 5/6, 7/8
Input Rov Los Poob: 7dB (typ.)
TS Processing
Descrambler DVB Common Scrambling Algorithm (CSA)
BISS hom: BISS-1, BISS-E
Common Interface: 2 * PCMCIA slots, tau tshaj CA CAMs hauv khw
Thauj kwj tawm interface
ASI tso zis
Connector hom: 2 × BNC Poj Niam, 75Ω
Ua raws li tus qauv DVB-ASI, EN50083-9
Digital Video Decoding
Video compression txheem: MPEG-2(MP@ML rau SD,MP@HL rau HD)
MPEG-4AVC/H.264 Part 10 (MP@L3 forSD, HP@L4.1 for HD)
Video PID ntsis tus nqi <80Mb/s
Digital Audio Decoding
Tso zis Audiochannel: 2 × digital Audio PIDs raug txiav txim siab
Qauv Zauv: 32KHz, 44.1KHz thiab 48KHz
Audio Bit Rate: 32, 64, 96, 128, 160, 192, 224,256, 288, 320,
352, 384, 416 thiab 448 kb/s rau MPEG-1 Txheej I
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32, 48, 56, 64, 80, 96, 112, 128, 160, 192,
224, 256, 320 thiab 384 kb/s rau MPEG-1Txheej II
Video thiab Audio Outputs
HDMI tso zis
Connector: 1 × HDMI, 1.3 interface
Video daws teeb meem: 1080i × 30, 1080i × 29.97, 1080i × 25,
720p×60, 720p×59.94,720p×50,
480p×60, 576p×50, 576i×25, 480i×29.97
Audio Embedded ib lub suab digital dhau los
Analog Video tso zis
Connector: 1 * YPbPr, RCA interface, 75Ω
1 * CVBS, BNC / RCA interface, 75Ω
Video Standard: NTSC, PAL, thiab SECAM
YPbPr daws teeb meem: 1080i × 30, 1080i × 29.97, 1080i × 25,
720p×60, 720p×59.94,
720p×50, 480p×60, 576p×50,
576i×25, 480i×29.97
Qib teeb liab: I.0 Vp-p ± 5%
Zaus teb<±I dB, at 5.5 MHz for PAL/SECAM,
4.2MHz rau NTSC thiab 15MHz rau HDYPbPr
Chroma-Luma ncua<±30 ns
Field Time Distortion<2%
Kab Sijhawm Distortion<1%
Short Time Distortion<2%
Differential nce<3%
Differential Phase<2°
Signal to Noise Ratio >55 dB (luam tawm qhov hnyav)
Analog Audio Output
Connector: 1 × XLR Txiv neej Socket, 2 khub ntawm RCA suab
Cov zis impedance: 600Ω (balanced)
Cov zis hom: Sab laug, Txoj Cai, Dual Mono, Stereo
Output Audio channel: 2 khub ntawm lub tso suab tso zis (2 AudioPIDs yog txiav txim siab).
Cov ntaub ntawv txuas ntxiv
Subtitle DVB/EBU
VBI Teletext, WSS, VFD, VPS
Kaw kab lus EIA 608, EIA 708, EIA 608-rau-708
Tswj thiab saib xyuas
Connector: 1 * RJ-45, 10/100 Base-T rau NMS
Kev tswj chaw taws teeb: kev tswj hwm ntawm qhov web browser thiab Proprietary HDMS
Kev tswj hwm hauv zos: kev tswj hwm ntawm Pem hauv ntej vaj huam sib luag thiab LCD
RS -232: rau kev siv debug nkaus xwb
Software upgraded los ntawm USB lossis FTP loader
Lub cev thiab lub zog
Voltage: 90 ~ 260VAC, 50/60Hz
Kev siv hluav taws xob: 24W
Ua haujlwm kub: 0 ~ 45 degree
Cia kub -10 ~ 60 degree
Ua haujlwm av noo 10 ~ 90%, (tsis-condensing)
Qhov Loj: 483 (W) mm * 255 (L) mm * 45 mm (H)
Luj: 4Kg
Qhov hnyav: 3.5Kg / pc
