A Multi Phase-States MMIC Phase Shifter

Kazuhiko NAKAHARA  Shin CHAKI  Naoto ANDOH  Hiroshi MATSUOKA  Noriyuki TANINO  Yasuo MITSUI  Mutsuyuki OTSUBO  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E79-C   No.5   pp.650-656
Publication Date: 1996/05/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Active Devices
Keyword: 
reflection type,  loaded-line type,  phase shifter,  phase state,  switching FET,  

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Summary: 
A refection type and loaded-line type phase shifter switching multi phase-states has been described. This novel phase shifter circuit is constructed by adding switching FETs to a conventional 2-phase-state phase shifter. A conventional 3 bit phase shifter can be replaced by this type of phase shifter. The total chip size is reduced to 2/3. This paper reports on the design, fabrication, and performance of the novel reflection-type and loaded-line-type phase shifter MMICs.