Egatel unveils its High Efficiency TV transmitters with Broadband- Doherty technology at NAB 2014
March 11th, 2014
Egatel overcomes the state-of-the-art of the Doherty technology by adding the broadband capability
Egatel will attend as every year to the forthcoming edition of NAB 2014 to show its cutting edge technology in TV transmitters. The exhibition will be hold in Las Vegas Convention Center from April the 7th to the 10th in Las Vegas (NV) USA.
Egatel will introduce its brand-new UHF Wideband High Efficiency Transmitters (WHET series) at its booth SU9802. For the first time the Doherty technology becomes Wideband, meaning that it is applicable to the whole UHF band. Therefore, no modifications in the amplifiers are required when the operator needs to change the RF channel.
As a superb example of the WHET series, the Egatel's team will show a live demo of a liquid cooled 3KW DVB/ISDB (4KW ATSC) Transmitter, TLWH7804 model. It is defined by its complete modular design and includes the pump system integrated within the transmitter’s rack. This solution optimizes premises layout and investment.
Regarding air-cooled series, the new 600Wrms DVB/ISDB (700Wrms ATSC), amplifier AUH601 based in Doherty technology will be shown in live demo. This amplifier allows up to five modules integrated in the same rack reaching powers close to 3Kw in DVB/ISDB (3,5KW in ATSC) with unbeatable energy efficiency. These amplifiers synthesizes Egatel’s know how , avoiding air flows through components or boards, using redundant power supplies with easy access by the front or with fans placed outside the module for an easy replacement without opening it.
Doherty technology used in new amplifiers rockets efficiency up to values of 42%, optimizing the use of energy and minimizing the power consumption and, thus, the OPEX.
Regardless the output power or cooling system, Egatel offers 1U 19”exciters for DVB-T/-H/T2, ISDB-T/Tb and ATSC, with the highest quality requirements. Digital adaptive precorrection is included in all the configurations. Moreover, it uses friendly solutions for operation and maintenance like control software based in embedded web servers, front insertion solid state memories for loading configurations and remote supervision solutions based on SNMP.
Last but not least is the huge and well–known offer of gap fillers for low power requirements, available for any standard and with the highest features for dynamic echo cancellers as our many references worldwide vouch for.
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