14MM-TTX420 - Twin DVB-T/T2 to DVB-T Transmodulator

Twin DVB-T/T2 to DVB-T Transmodulator

14MM-TTX420

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

  • Converting of 2 DVB-T/T2/C modulated input signals into 2 COFDM modulated DVB-T channels.
  • 2 x Carriers to either multiplexed output
  • TS monitoring via Web interface
  • Web control and SNMP monitoring
  • Din rail mounting

Specifications

Number of channels 2
RF Input
Frequency Range* 47-862 MHz
LNB Powering/Control* 12 V 100 mA
Level/Impedance 40-80 dBµV / 75 Ω
Loop Through Gain 0 ± 1 dB
Standard* DVB-T DVB-T2 DVB-C
Modulation QPSK, QAM16, QAM64 QPSK, QAM16, QAM64, QAM256 QAM16, QAM32, QAM64, QAM128, QAM256
Bandwidth 7 MHz / 8 MHz 7 MHz / 8 MHz -
Symbol Rate - - 1 ÷ 7.2 Ms/s
Code Rate 1/2, 2/3, 3/4, 5/6, 7/8 1/2, 2/3, 3/4, 4/5, 5/6 -
Roll Off - - 15%
RF Output
Frequency Range* 100-858 MHz, by step 100 kHz
Channel allocation Adjacent
Level/Impedance 90 ± 2 dBµV / 75 Ω
Spurious Level < -60 dB
MER ≥38 dB (100-780 MHz); ≥35 dB (780-860 MHz)
Modulation DVB-T* QPSK, QAM16, QAM64
Channel Bandwidth* 7/8 MHz
Guard Interval* 1/4, 1/8, 1/16, 1/32
Code Rate* 1/2, 2/3, 3/4, 5/6, 7/8
Transmission Mode 2K
Output Level Adjustment Range* 0 ÷ -15.0 dB by 1 dB step
Loop Though Frequency Range/Loss 47-862 MHz / ≤2.5 dB
Transport Steam Parameters
Max. Bit Rate Output 31670 kbps
Max. PID filter count Unlimited
Management Port Standard IEE802.3 10/100 Base T
Current Consumption*** 12 V 650 mA
Operating Temperature Range 0° ÷ +50°C
Dimensions/Weight (packed) 48.5x198x112 mm/0.9 kg
* Software control
** Supports physical layer framing/signaling (PLS) and multiple input streams (MIS)
*** Without external DC feeding and CAM, with two CAM's ≈0.95 A (for TTX420C), ≈0.85 A (for TDX420C)