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TLWH7900 series

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  • TLWH7900 series

Wideband High Efficiency Technology, Liquid cooling system.

The new TLWH7900 series of high efficiency – wideband transmitters represents a technological leap in liquid-cooled high power UHF transmitters. The Doherty solution is wideband for the first time, so there is no longer any need for modifications or adjustments to the amplifiers when changing channels.

The TLWH7900 transmitters provide the optimal solution for deploying or extending a digital broadcast network with HDTV, DTV and mobile TV channels globally. They are up to 42% energy efficient, which translates into immediate cost benefits for operators.

They are equipped with state-of-the-art signal processing technology and power amplifiers based on LDMOS -50 volt. transistors characterised by high power density.

They provide power-size and performance-reliability ratios that allow the signal to be transmitted with the highest quality. The compact, modular design and high power efficiency facilitate installation and maintenance, significantly reducing the total cost over the life of the transmitter for the broadcast operator.

Translated with www.DeepL.com/Translator (free version)

More product info

  • Key features
  • Technical Data
  • Datasheets
  • High energy efficiency over the whole UHF band to minimize consumption and OPEX. Values up to 38% for COFDM waveforms and 42% for ATSC.
  • Power amplifiers based on LDMOS-50 volt. technology with high power density.
  • Frequency change through exciter display, NO ADJUSTMENT in the amplifier need be made.
  • Compact design for easy installation in confined spaces.
  • Liquid cooling system that dissipates heat efficiently and quietly.
  • Digital modulations: (DVB-T/-H/-T2, ISDB-T/-TB, ATSC).
  • 4K UHDTV transmission via DVB-T2.
  • Frequencies: from 470 MHz to 800 MHz.
  • High redundancy ensures maximum reliability.
  • Digital Adaptive Precorrection.
  • N+1 redundancy ready.
  • Multiple remote monitoring options: Telecontacts, SNMP / Web Server (opt.).
  • Multiple options for local operation: through the display of the exciter, a Control Unit or Web Server (opt.).
Model TLWH7901 TLWH7902 TLWH7903 TLWH7904 TLWH7905 TLWH7908 TLWH7910
Output power (before filter): DVB-T/H/T2, ISDB-T/TB 1.2 kWrms 2.3 kWrms 3.6 kWrms 4.7 kWrms 5.8 kWrms 9.3 kWrms 11.5 kWrms
Output power (before filter): ATSC 1.5 kWrms 3 kWrms 4.4 kWrms 5.8 kWrms 7.3 kWrms 11.5 kWrms 14.2 kWrms
Number of amplifier 1 2 3 4 5 8 10
Number of racks 1 1 1 1 1 1 1
RF output connector EIA 3 1/8″ EIA 3 1/8″ EIA 3 1/8″ EIA 3 1/8″ EIA 3 1/8″ EIA 3 1/8″ EIA 3 1/8″ – EIA 4 1/2″
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