Triax 023269 Datasheet Page 102

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Technical data TDH - DVB-T modules (VSB) VHF/UHF
TDH digital terrestrial - COFDM to PAL
TDH DVB-T modules convert a digtal terrestrial coded or uncoded signal to a
modulated signal for distribution in a community cable system.
Full-band high-quality modulator
Conditional access via common interface (CI) or free to air (FTA)
Advanced watchdog function
Fully DVB T compatible
Multi language menu
MPEG transport stream available for slave modules
Mono sound / A2 stereo / Nicam available
TYPE
DVB-T master
with CI
DVB-T master
with CI
DVB-T master
Free to air
DVB-T master
Free to air
Norm
Mono
A2 stereo
Nicam Mono
A2 stereo
Nicam
Part No. B/G 490762 490763 590763 490764 490765 590765
D/K 490712 490713 490714 490715
Norm L 490712 490714 590715
Pal I 490712 490714
Input frequency range MHz 177.5 - 858.0 177.5 - 858.0 177.5 - 858.0 177.5 - 858.0
Input level
*
dBµV 44....84 44....84 44....84 44....84
Output frequency range
Ch.
MHz
2....69
47 - 862
2....69
47 - 862
2....69
47 - 862
2....69
47 - 862
Output level SA modules
**
dBµV 103 103 103 103
Output level attenuator dB 10 10 10 10
Video S/N ratio dB > 54 > 54 > 54 > 54
Differential phase deg. < 8 < 8 < 8 < 8
Picture carrier stability kHz < +/- 70 < +/- 70 < +/- 70 < +/- 70
Spurious signals ref pict. carrier C/N
dB > - 60 > - 60 > - 60 > - 60
Sound mode
Mono A2 stereo Nicam Mono A2 stereo Nicam
Audio distortion @ 1 kHz % < 1 < 1 < 1 < 1
Audio S/N ratio dB > 50 > 50 > 50 > 50
Sound sub carrier stability kHz < +/- 5 < +/- 5 < +/- 5 < +/- 5
LNB control 13/18 volt - 0/22 kHz mA 200 200 200 200
Conditional access EN 50221 50221 FTA FTA
Teletext type Reinserted in VBI Reinserted in VBI Reinserted in VBI Reinserted in VBI
Demultiplexer data rate Mbps < 65 < 65 < 65 < 65
Video data rate Mbps < 15 < 15 < 15 < 15
Viterbi rates Mpps 1-30 (SCPC/MCPC) 1-30 (SCPC/MCPC) 1-30 (SCPC/MCPC) 1-30 (SCPC/MCPC)
FFT mode Mpps 2K/8K 2K/8K 2K/8K 2K/8K
Constellations QPSK, 16QAM, 64QAM QPSK, 16QAM, 64QAM
Guard interval 1/4, 1/8, 1/16, 1/32 1/4, 1/8, 1/16, 1/32
Viterbi decoder 1/2, 2/3, 3/4, 5/6, 7/8 1/2, 2/3, 3/4, 5/6, 7/8
Reed Solomon decoder 204,188, t=8. 204,188, t=8.
Impedance Ohm 75 75 75 75
Operation temperature range
o
C -10...+50 -10...+50 -10...+50 -10...+50
Weight - standard module kg 0.45 0.45 0.45 0.45
Dimensions (H x D x W) mm 150 x 230 x 50 150 x 230 x 50 150 x 230 x 50 150 x 230 x 50
Remarks
* Digital measuring - DCP
** Mounted in stand-alone cabinet
TDH - DVB-T CI
TDH - DVB-T FTA
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