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KTN ferroelectrics‐based microwave tunable phase shifter
Author(s) -
Zhang Ling Yan,
Laur Vincent,
Pothier Arnaud,
Simon Quentin,
Laurent Paul,
Martin Noham,
GuillouxViry Maryline,
Tanné Gérard
Publication year - 2010
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.25104
Subject(s) - phase shift module , microwave , materials science , fabrication , phase (matter) , return loss , differential phase , optoelectronics , insertion loss , electrical engineering , optics , telecommunications , engineering , physics , medicine , alternative medicine , pathology , quantum mechanics , antenna (radio)
This letter presents the design, fabrication, and measurement of a KTa1‐xNb x O 3 ‐ (KTN‐) based phase shifter. This loaded‐line phase shifter has insertion losses of about 7.36 dB at zero bias and 10 GHz, a return loss greater than 12 dB over the frequency range 1–16 GHz and a relatively high differential phase shift of about 88° for a 120 V DC bias at 10 GHz. The enhancement of performances observed by comparison with those presented by the KTN‐based phase shifters positions KTN materials as a serious alternative to Ba1‐ x Sr x TiO 3 ones for microwave agility applications. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1148–1150, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25104

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