Accession Number:

AD0260792

Title:

RESEARCH AND DEVELOPMENT OF A 300-600 MCS HELITRON OSCILLATOR

Descriptive Note:

Corporate Author:

WATKINS-JOHNSON CO PALO ALTO CALIF

Personal Author(s):

Report Date:

1961-06-19

Pagination or Media Count:

1.0

Abstract:

Research was concerned with the development of a helitron oscillator with the following design objectives 300 to 600 mc continuous frequency coverage, power output in excess of 30 mw, and noise and spurious 70 db below the main oscillation level. The program produced a tube meeting the design objectives and further, a single variable voltage for changing the oscillation frequency results in a flat power output from 35 to 52 mw. Also, tuning characteristics are such that a 3 to 1 change in circuit voltage results in a 2 to 1 change in oscillation frequency. Frequency pushing, frequency pulling, tuning curve, power output, starting current, and input VSWR data on the developed tube are illustrated. The entire device weight 4 pounds and featu es metal-to-ceramic tube construction. The tube uses an ann lar ring electrostatic focusing scheme for containing the beam between the beam minimum and point of entry into the tube. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE