The TLWH7900E series of liquid-cooled UHF transmitters offer a compact and efficient solution for digital TV networks. Featuring wideband asymmetric Doherty technology and up to 42% power efficiency, it is ideal for standards such as DVB-T/T2, ATSC and ISDB-T/TB.
Output Power (Before filter): DVB-T/H/T2, ISDB-T/TB, ATSC: from 1.5 kWrms up to 14.4 kWrms.
The TLWH7900E series of liquid-cooled transmitters represents a significant advance in power efficiency for digital TV networks. Featuring high-efficiency wideband asymmetric Doherty technology, these transmitters offer a very compact solution in terms of power density, allowing operators to optimize the development or expansion of digital TV networks.
The liquid-cooled system, in addition to being highly efficient, is silent and ensures optimal performance with reduced power consumption, reaching up to 42% energy efficiency. This series allows the transmission of signals in the UHF band and is compatible with the main digital television standards such as DVB-T/T2, ATSC and ISDB-T/TB.
Its modular and compact design facilitates installation and maintenance, significantly reducing operating costs throughout the life of the transmitter. Thanks to these features, the TLWH7900E offers a reliable and high-performance solution, taking up very little space and providing efficient and economical operation.
Key features:
- High energy efficiency inside UHF band (470 to 700 MHz) with no tuning of adjustments
- Values up to 42% for COFDM (cooling included)
- Automatic efficiency optimization
- Hot-pluggable power amplifiers (2U) based on LDMOS-50 volt, asymmetric ultrawideband Doherty technology
- Compact design for easy installation in confined spaces
- Liquid cooling system to dissipate heat efficiently and noiseless
- “Output channel” and “Impulse channel response” show via web server
- Digital Adaptive Precorrection
- High redundancy to ensure máximum reliability. N+1 redundancy ready
- Multiple options for local operation: through the display of the exciter/Control Unit or Web Server
- Wide range of possibilities for remote monitoring: dry contacts and SNMP/ Web Server
- Standalone Control unit module with front panel LCD Display included for measurement / configuration
- Series
- TLWH7900E
- Frequency Range
- UHF: 470 - 700 MHz (resolution: 1 Hz)
- Power supply
- Three - phase: 400VAC +/- 15%, 47 to 63Hz (other on request)
- Output power (before filter): DVB-T/H/T2, ISDB-T/TB
- 1.5 kWrms, 3 kWrms, 4.4 kWrms, 5.8 kWrms, 7.3 kWrms, 11,5 kWrms, 14.4 kWrms
- Output power (before filter): ATSC
- 1.5 kWrms, 3 kWrms, 4.4 kWrms, 5.8 kWrms, 7.3 kWrms, 11,5 kWrms, 14.4 kWrms
- RF output connector
- 1.5 kWrms, 3 kWrms, 4.4 kWrms: EIA 1 5/8″; 5.8 kWrms, 7.3 kWrms, 11.5 kWrms: EIA 3 1/8"; 14.4 kWrms: EIA 3 1/8" - 4 1/2″
- Channel bandwidth
- 6, 7, 8 MHz plus 1.7, 5 and 10 MHz for DVB-T2 | ISDB-T/TB , ATSC: 6 MHz
- Cooling
- Liquid - cooled