DEVELOPMENT OF PPM-FOCUSED LOW-NOISE TRAVELING-WAVE TUBES FOR K SUB U-, K-, AND K SUB A-BAND.
Interim development rept. no. 4, 1 Apr-30 Jun 64.
MICROWAVE ELECTRONICS PALO ALTO CALIF
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Achievement of 11 db maximum broadband noise figure for K sub u-band tube covering frequency range of 10.5 to 16.5 Gc was obtained in PPM stack. Two prototype PPM stack and packages were constructed. PPM stack and compact package design concepts used in K sub u- and K-band tubes were applied to the design of K sub a-band tube stack and package. Author