14MM-TDX420C - Twin DVB-S/S2 to DVB-T and 2x CI Transmodulator
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14MM-TDX420C - Twin DVB-S/S2 to DVB-T and 2x CI Transmodulator Packaging Image
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Twin DVB-S/S2 to DVB-T and 2x CI Transmodulator

14MM-TDX420C

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

  • Twin DVBS/S2 to Twin DVB-T output with Common Interface
  • Service Multiplexing - any input to any output
  • Simple Web control and SNMP monitoring with on board email client
  • MER ≥ 38 dB (100-780 MHz) ≥ 35 dB (780-860 MHz)
  • Bonded channel output
  • Full LNB powering control

Specifications

Number of channels 2
RF Input
Frequency Range* 950-2150 MHz
LNB Powering/Control* 0/13/18 V & 500 mA max. DiSEqC 1.0, EN50607, EN50494
Level/Impedance 45-85 dBµV / 75 Ω
Loop Through Gain -1 ± 1 dB
Standard* DVB-S DVB-S2**
Modulation QPSK QPSK, 8PSK, APSK 8/16/32
Symbol Rate 2 ÷ 45Ms/s 2 ÷ 45Ms/s
Code Rate 1/2, 2/3, 3/4, 5/6, 7/8 QPSK 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10

8PSK 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
Roll Off 35% 20%, 25%, 35%
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 255 per transponder
Management Port Standard IEE802.3 10/100 Base T
Current Consumption*** 12 V 550 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)
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