The Development of a 110 Kilowatt High Efficiency UHF TV Klystron

In the USA for technical, socioeconomic, and geopolitical reasons, UHF TV transmitters tend to be sized at 30, 55 and 110 kW (1). In recent years, new transmitters placed in service have been predominantly 55 to 60 kW equipment with a trend toward 100 to 110 kW equipment for the larger advertising markets or where substantial market growth is projected.