Spanish transmitter company Egatel will be showing its new high-efficiency broadband Doherty technology at this year’s NAB Show. The company will offer a live demo of its new WHET series liquid-cooled high-efficiency transmitter, the model TLWH7804. The transmitter can deliver 3 kW for DVB/ISDB-T purposes and 4 kW for ATSC. The pump system is integrated into the transmitter's rack. Egatel will also demonstrate a 700 W (ATSC) AUH601 air-cooled amplifier using Doherty technology. Egatel will also be showing low-power gap fillers with echo cancellation. More information is available in the Egatel release Egatel unveils its High Efficiency TV transmitters with Broadband- Doherty technology at NAB 2014.
2012 NAB: Solid State Transmitters Now Match or Exceed IOT Efficiency
With improvements in solid state transmitter efficiency, it is now practical to use two combined 10 kW range solid state transmitters instead of an IOT.