DocumentCode
1056587
Title
Improved noise Characteristics of a helix-TWT combined with a low-noise solid-State amplifier
Author
Joo, Ji Han ; Choi, Jin Joo
Author_Institution
Dept. of Radio Sci. & Eng., Kwangwoon Univ., Seoul, South Korea
Volume
32
Issue
3
fYear
2004
fDate
6/1/2004 12:00:00 AM
Firstpage
1334
Lastpage
1335
Abstract
An X-band microwave amplifier module consisting of a low-noise solid-state amplifier and a low-gain helix traveling-wave-tube (TWT) is designed and fabricated. Measured microwave characteristics are found to be significantly improved compared with conventional helix-TWTs.
Keywords
microwave power amplifiers; travelling wave amplifiers; travelling wave tubes; TWT; X-band microwave amplifier module; low-gain helix traveling-wave-tube; low-noise solid-state amplifier; FETs; Gain; High power amplifiers; Low-noise amplifiers; Microwave amplifiers; Multichip modules; Noise figure; Power amplifiers; Power generation; Solid state circuits; MPM; Microwave power module; TWT; noise figure; traveling-wave-tube;
fLanguage
English
Journal_Title
Plasma Science, IEEE Transactions on
Publisher
ieee
ISSN
0093-3813
Type
jour
DOI
10.1109/TPS.2004.828801
Filename
1321297
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