Bandwidth extension of an S-band, fundamental-mode eight-beam klystron

Author

Nguyen, Khanh T. ; Pershing, Dean E. ; Abe, David K. ; Levush, Baruch

Author_Institution

Beam Wave Res., Inc, Bethesda, MD

Volume

34

Issue

3

fYear

2006

fDate

6/1/2006 12:00:00 AM

Firstpage

576

Lastpage

583

Abstract

We present a general discussion of multiple-gap cavity characteristics and stability issues along with the detailed design of a five-cavity, broadband, high-power multiple-beam klystron (MBK). The predicted performance characteristics of this S-band fundamental-mode klystron circuit include a 3-dB bandwidth of 6.7% with peak power ~600 kW and an electronic gain of 33 dB. The circuit is powered by a 32 A, 45 kV eight-beam electron gun (Nguyen , 2004) whose design has been successfully tested in a previous narrowband MBK circuit (Nguyen , 2004), (Abe , 2005). The present circuit was designed and optimized with the three-dimensional particle-in-cell code MAGIC

Keywords

cavity resonators; electron guns; klystrons; 32 A; 33 dB; 45 kV; MAGIC code; S-band fundamental-mode eight-beam klystron; bandwidth extension; electron gun; electronic gain; multiple-gap cavity stability; particle-in-cell code; Bandwidth; Circuit stability; Circuit synthesis; Circuit testing; Electrons; Gain; Klystrons; Laboratories; Power generation; Radio frequency; Broadband circuit; multiple-beam klystron (MBK); multiple-gap cavity; two-gap cavity;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/TPS.2006.875768

Filename

1643279