Accession Number : AD0713127
Title : ULTRA-STABLE MICROWAVE CAVITY.
Descriptive Note : Final rept. Jun 69-Jun 70,
Corporate Author : CORNING GLASS WORKS RALEIGH N C ELECTRONIC RESEARCH LAB
Personal Author(s) : Kim,J. R. ; Pan,J. J. ; Singletary,J.
Report Date : AUG 1970
Pagination or Media Count : 104
Abstract : The report covers the development of stable fundamental microwave sources which derive their frequency stability from resonators made of very low thermal expansion glass and glass-ceramic materials. Three different source configurations at L-, S-, and X-bands were analyzed and constructed. The resonator feedback source was selected as the principal type. Computer optimization of an S-band source circuit of this type resulted in a measured source temperature stability of plus or minus 1.88 x 10 to the minus 7 power parts/C over the -25C to +75C temperature range. This is in substantial agreement with the calculated stability. This source showed a frequency stability plus or minus 9 x 10 to the minus 9 power parts/hour when averaged over a 34-hour period in a constant environment. (Author)
Descriptors : (*CAVITY RESONATORS, *MICROWAVE OSCILLATORS), OSCILLATORS, TRANSISTORS, STABILITY, OPTIMIZATION, S BAND, AVALANCHE DIODES, INTEGRATED CIRCUITS
Subject Categories : Electrical and Electronic Equipment
Distribution Statement : APPROVED FOR PUBLIC RELEASE