DocumentCode
563531
Title
Velocity dispersion shaping for helix TWT performance improvement
Author
Frerking, H. ; Lau, L. ; Zavadil, D.
Author_Institution
Teledyne MEC, Palo Alto, CA, USA
fYear
1974
fDate
9-11 Dec. 1974
Firstpage
487
Lastpage
490
Abstract
The effects of various dielectric rod cross-sectional profiles on helix velocity dispersion are compared in conjunction with their impact on tube operation. Using these techniques, an 8 to 18 GHz low noise TWT demonstrating excellent gain flatness, good overdrive and harmonic separation has been developed. Detailed design and performance data for this TWT is presented. Electrical and mechanical considerations affecting the use of radial backwall vanes are also detailed. Major design details and performance capabilities of a 1 kW, 2 to 7 GHz, high power pulse TWT are presented asan example of the use of radial vane loading.
Keywords
microwave tubes; travelling wave tubes; dielectric cross-sectional profiles; electrical considerations; frequency 2 GHz to 7 GHz; frequency 8 GHz to 18 GHz; harmonic separation; helix TWT performance improvement; mechanical considerations; power 1 kW; power pulse TWT; radial backwall vanes; velocity dispersion shaping; Abstracts; Cities and towns; Surges;
fLanguage
English
Publisher
ieee
Conference_Titel
Electron Devices Meeting (IEDM), 1974 International
Conference_Location
Washington, DC
ISSN
0163-1918
Type
conf
DOI
10.1109/IEDM.1974.6219799
Filename
6219799
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