Triax TDH 700, Руководство пользователя

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15
D ata sheet Master module
RF:
Frequency range .......................................................................................(MHz) 920 -2150
Input level ..................................................................................................(dBµV) 45...84
Input sensitivity QAM16 , FEC 2/3 Guard interval 1/4
(Digital measuring)
.......(dBµV) 30...70
Input sensitivity QAM64 , FEC 2/3 Guard interval 1/4
(Digital measuring)
.......(dBµV) 35...70
Input impedance........................................................................................(Ohm) 75
Return loss ................................................................................................(dB) >10
LNB CONTROL( for DVB-S only):
V/H programmable ....................................................................................(V/mA) 0-13-18 / 200
LO/HI programmable.................................................................................(kHz) 0 / 22kHz
DEMODULATOR: DVB-S module
Type QPSK
Symbol rate ...............................................................................................(Mbps) 2-40 (SCPC/MCPC)
Viterbi decoder: ......................................................................................... 1/2, 2/3, 3/4, 5/6, 7/8.
Reed Solomon decoder............................................................................. 204,188, t=8.
Deinterleaver
..........................................................................
I=12
.
DEMODULATOR: DVB-T module
Type COFDM
FFT Mode :................................................................................................ 2K / 8K
Constellations:........................................................................................... QPSK, 16QAM, 64QAM
Guard interval:........................................................................................... 1/4, 1/8, 1/16, 1/32
Viterbi decoder: ......................................................................................... 1/2, 2/3, 3/4, 5/6, 7/8
Reed Solomon decoder............................................................................. 204,188, t=8.
Deinterleaver
..........................................................................
I=12
.
DECODER:
Type........................................................................................................... MPEG-2/DVB (Main Profile/Main Level)
Demultiplexer data rate .............................................................................(Mbps) <65
Video data rate ..........................................................................................(Mbps) <15
Video output norm ..................................................................................... Pal/Secam
Teletext ...................................................................................................... Reinserted in VBI
Subtitling.................................................................................................... Teletext
TS output................................................................................................... PI DVB/MPEG-2 TS
MODULATOR:
TV-norm.....................................................................................................Pal/Secam B/G, I, L, D/K
System.......................................................................................................VSB VHF/UHF mono (TDH702/712/714/722)
VSB VHF/UHF A2 stereo/dual (TDH703/713/715/723)
Output frequency range.............................................................................(MHz) 47-862
Picture carrier stability ...............................................................................(kHz) < +/-70
Spurious signals ref. picture carrier ...........................................................(dB) > -60
Output level max .......................................................................................(dBµV) 100
Output impedance .....................................................................................(Ohm) 75
Return loss (MOD OUT)............................................................................(dB) >10
Differential gain..........................................................................................(%) <8
Differential phase.......................................................................................(deg.) <8
Chrominance / luminance delay ................................................................(ns) <80
Luminance non-linearity ............................................................................(%) <8
Video S/N ratio ..........................................................................................(dB) 54
Sound sub carrier 1 ...................................................................................(MHz) 5,5 / 6,0 / 6,5
Sound sub carrier 2 (TDH703 / 713 and 715 / 723 ) only .........................(MHz) 5,74
Sound sub carrier stability .........................................................................(kHz) < +/-5
Audio distortion, 1kHz ...............................................................................(%) 1
Audio S/N ratio ..........................................................................................(dB) 50
POWER SUPPLY:
Voltage/current ..........................................................................................(V, mA) 3.3/0.2 – 5/1.24 – 12/0.39 – 30/0.004
23/200 for LNB (DVB-S only)
CONNECTORS:
Aerial input, ..............................................................................................F
Aerial loop-through, ..................................................................................F
Aerial output, MOD....................................................................................IEC-M
Audio/video (optional)................................................................................D-SUB 15P
MPEG-2 TS output ....................................................................................IDC CONNECTOR 26P
Power supply/control .................................................................................EDGE CONNECTOR 2X13P
ENVIRONMENT:
Temperature, operation .............................................................................(Deg. C) -10..+50
Humidity, operation/storage.......................................................................(%) 20..80 10..90
DVB-S DVB-T
117.5 - 858
75
> 6
DVB-T
IEC Female
IEC Male