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Journal Articles Microwave and Optical Technology Letters Year : 2010

KTN Ferroelectrics-based Tunable Phase-Shifter

Vincent Laur
Arnaud Pothier
Quentin Simon
Paul Laurent
Gérard Tanné


This letter presents the design, fabrication and measurement of a 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 BST ones for microwave agility applications.

Dates and versions

hal-00472468 , version 1 (12-04-2010)



Ling Yan Zhang, Vincent Laur, Arnaud Pothier, Quentin Simon, Paul Laurent, et al.. KTN Ferroelectrics-based Tunable Phase-Shifter. Microwave and Optical Technology Letters, 2010, 52 (5), pp.1148-1150. ⟨10.1002/mop.25104⟩. ⟨hal-00472468⟩
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