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A New Ultra-High-Frequency-Tetrode and Its Use in a 1-Kilowatt Television Sound Transmitter

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2 Author(s)
Wing, A.K. ; RCA Manufacturing Company, Inc., Harrison, N.J. ; Young, J.E.

A new tetrode suitable for use in the final stage of a 1-kilowatt ultra-high-frequency sound transmitter is described. Two of these tubes operated under plate-modulated conditions in such a transmitter will deliver 1 kilowatt of carrier output at 108 megacycles. Among the novel features of the design are the use of a metal header to provide a low-impedance screen-grid connection, beam-forming grids, and a forced-air-cooled anode. The new RCA type S-1 transmitter which uses these tubes is described and its performance reported.

Published in:

Proceedings of the IRE  (Volume:29 ,  Issue: 1 )