14MM-OH89 - Transmodulator Twin DVBT/C to COFDM
14MM-OH89 - Transmodulator Twin DVBT/C to COFDM Packaging Image

Transmodulator Twin DVBT/C to COFDM


Headend Equipment

Matchmaster has a full range of Headend Equipment from entry level to complex systems, including engineering support and system designs. Matchmaster can offer simple Channel Filters with AGC through to complex DVB modules for any type of broadcast including Encoders, Modulators & Transmodulators for DVB-T, DVB-C, DVB-S/S2, IP, ASI, SDI, FM and many more.
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Features and Benefits

  • Transmodulation from DVBT/C to DVBT/C, with the inclusion of CI interfaces for descrambling the unit can deliver services transparently or through PID filtering selected digital services
  • Regeneration of the DVBT services to a DVBT- COFDM signal, transparent or select services with PID filtering
  • Integrated conditional access interface for both channels
  • Internal NIT generation available
  • PID filtering available
  • Input range 110-878MHz DVBT/T2
  • This field is for validation purposes and should be left unchanged.


Input Frequency Range 110–878MHz
Input Frequency Steps 250kHz
Input Level Range 47-90dBµV
Channel Bandwidth 7/8MHz
COFDM Spectral 2 k and 8 k FFT
COFDM Modulation Scheme QPSK, 16-QAM, 64-QAM
COFDM Guard Interval 1/32, 1/16, 1/8, 1/4
COFDM FEC Inner Code Conv., K=7, G=1/2, 2/3, 3/4, 4/5, 5/6, 7/8
QAM Modulation Scheme 16-, 32-, 64-, 128-, 256-QAM
QAM Symbol Rate 1–7 MBaud
Output Frequency Range 47–862MHz
Output Frequency Steps 250kHz
Output Stability ±30KHz
Output Channel Bandwidth (bonded) 2 x 7/8 MHz
Output Level 82-97dBµV
Stability of Output Level ±1dB
Spurious Outside TV Channel >50dB
SNR ≥41dB
MER ≥37dB
Modulation (COFDM) QPSK, 16-, 64-QAM
FEC 1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval 1/4, 1/8, 1/16, 1/32
FFT Mode 2k, 8k
Bit Stuffing Yes
PCR Correction Yes
PID Filtering Yes
NIT editing Yes
Connectors RF F-connector
Current Consumption ca. 0.5 A / 12 V
Power Consumption <10W
Operating temperature -20° - + 55°C

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