Modelling and investigation of HTS planar resonators and filters on sapphire substrate

被引：6

作者：

Vendik, I ^{[1
]}

Goubina, M

Deleniv, A

Kaparkov, D

Kholodniak, D

Kondratiev, V

Gevorgian, S

Kollberg, E

Zaitsev, A

Wördenweber, R

机构：

[1] St Petersburg Electrotech Univ, St Petersburg 197376, Russia

[2] Chalmers Univ Technol, S-41296 Gothenburg, Sweden

[3] Forschungszentrum Karlsruhe, Inst Mat Forsch, D-76021 Karlsruhe, Germany

[4] Forschungszentrum Julich, Inst Schicht & Ionentech, D-52425 Julich, Germany

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1999年 / 12卷 / 06期

关键词：

D O I：

10.1088/0953-2048/12/6/311

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A semi-empirical model is developed for high-T-c superconducting (HTS) planar transmission lines on anisotropic sapphire substrates. The model takes into account the anisotropic dielectric permittivity of sapphire and its temperature dependence. A CAD tool is developed for a simulation of HTS transmission line propagation characteristics. The contribution of the HTS film surface impedance to the line propagation parameters is considered in linear and nonlinear approaches. The model is verified by the experimental investigation of a half-wavelength resonator. The model is developed for a multicoupled line structure and applied to a multi-pole filter design. Eight-pole pseudo-interdigital filters based on YBCO films on r-cut sapphires substrate with a golden ground plane have been designed, manufactured and measured. The results confirm a prospective application of YBCO films on sapphire substrates in microwave electronics.

引用

页码：394 / 399

页数：6

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