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Harris to show high-efficiency PowerCD UHF ATSC transmitter

Harris’ Broadcast Communications Division will exhibit a multi-cabinet version of its PowerCD high-power UHF ATSC transmitter at NAB2005.

Now shipping, PowerCD transmitters are engineered to provide the highest output power per kilowatt hour of electricity. The transmitters combine E2V's high-efficiency ESCIOT tubes with other Harris-exclusive correction and filtering techniques.

Operating efficiency is enhanced by:

  • ESCIOT tubes' multi-staged depressed collector design;
  • Harris' APEX exciter with its real-time adaptive correction (RTAC) for linear and nonlinear distortions;
  • Other Harris filtering and correction techniques;
  • Liquid cooling to minimize expenses by reducing transmitter facility heat load.

For more information, visit booth C1907 or go to

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