Ku-band MPM booster helix TWT design and validation

Author

Hargreaves, T.A. ; Armstrong, C.M. ; True, R.B. ; Watkins, R. ; Barsanti, M.L. ; Schram, A.

Author_Institution

L-3 Commun. Electron Devices, San Carlos, CA, USA

fYear

2004

fDate

27-29 April 2004

Firstpage

293

Lastpage

294

Abstract

Summary form only given. An MPM (microwave power module) booster TWT has been designed using the CHRISTINE RF interaction codes developed by NRL and SAIC. CHRISTINE 1D was used to design a mini-TWT, operating in the Ku band, with the goal of increasing the linear power range of the tube. The electron gun was designed using DEMEOS, our in-house electron beam trajectory code. A full thermal beam run was done to obtain the appropriate beam input into CHRISTINE 3D and a sample drive curve at 14 GHz is given. A full comparison of the measured small signal, large signal, backward-wave stability, and intermodulation products to the predictions of the CHRISTINE codes is presented.

Keywords

electron guns; microwave tubes; travelling wave tubes; 14 GHz; CHRISTINE 1D; CHRISTINE 3D; DEMEOS; Ku-band TWT; MPM booster; backward-wave stability; electron beam trajectory; electron gun; helix TWT; intermodulation products; microwave power module; mini-TWT; tube linear power range; Circuit synthesis; Communication industry; Electron beams; Electron devices; Electron tubes; Power generation; Radio frequency; Security; Stability; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Vacuum Electronics Conference, 2004. IVEC 2004. Fifth IEEE International

Print_ISBN

0-7803-8261-7

Type

conf

DOI

10.1109/IVELEC.2004.1316324

Filename

1316324