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WSWS-TV, WMMF-TV turn to e2v ESCIOT-powered Acrodyne transmitters

Ai's Quantum transmiter

Pappas Telecasting Companies has selected Acrodyne Industries’ (Ai) depressed collector Quantum transmitters using e2v ESCIOT water-cooled tubes for digital and analog applications at its television stations WSWS-TV in Columbus, GA, and WMMF-TV in Green Bay-Appleton, WI.

WSWS and WMMF are full-power stations that will transmit 5MW effective radiated power. Pappas Telecasting has also agreed to purchase a 30kW Quantum digital transmitter for WMMF. Installation of all the Quantum transmitters is scheduled to be completed by the end of the year.

Ai’s Quantum transmitters use water-cooling and collector depression to provide a very high level of energy efficiency. Pappas' power usage will be reduced by 25 percent compared with conventional IOT transmitters. Rated at 240kW, the two analog transmitters are among the first applications of depressed collector IOT technology in analog service. Additionally, the analog transmitters are designed to be converted to digital in the field with little expense.

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