Accession Number : AD0441619


Title :   NEGATIVE-GRID TUBES FOR PHASED ARRAYS.


Descriptive Note : Quarterly progress rept. no. 3, 1 Jan-31 Mar 64,


Corporate Author : GENERAL ELECTRIC CO SCHENECTADY NY


Personal Author(s) : Beggs, J E ; Lavoo, N T


Report Date : 31 Mar 1964


Pagination or Media Count : 19


Abstract : Thirty-two tubes were constructed during the past quarter. Twenty-six of these were measured in RF tests. An output of 785 watts, measured calorimetrically, was attained from a triode amplifier at 1.3Gc. In a similar measurement a kilowatt of RF power was generated at 0.9Gc with a triode having finer grid wire and higher perveance. It is anticipated that a modified grid employing more cross ribs will permit the kilowatt objective to be attained at 1.3Gc. A shift to a stronger ceramic material is expected to overcome output ceramic fractures which have occurred at higher frequencies and higher levels of RF power generation. (Author)


Descriptors :   PHASED ARRAYS , ELECTRON TUBES , TRIODES , ULTRAHIGH FREQUENCY , RADIOFREQUENCY POWER , CERAMIC MATERIALS , CAVITY RESONATORS , TETRODES , ELECTRODES , POWER AMPLIFIERS , CATHODES(ELECTRON TUBES)


Distribution Statement : APPROVED FOR PUBLIC RELEASE