Design and performance of miniaturized quarter-wavelength resonator bandpass filters with attenuation poles

H. Kanaya, K. Kawakami, F. Koga, Y. Kanda, K. Yoshida

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

For more size reduction of the high temperature superconducting coplanar waveguide (CPW) bandpass filter (BPF), we introduce the design method of the meanderline quarter-wavelength resonator BPF. The admittance and impedance inverters (J- and K-inverters) are realized by using interdigital gaps and meanderline short stubs. Also, we estimate the slope parameter of the meanderline resonator by using EM-simulator. In order to control the attenuation poles, we adjust the meanderline intervals and shapes of the cross-coupling section, so that we can design the frequency and number of the attenuation poles. The size of the 6-pole CPW quarter-wavelength resonator with two attenuation poles (center frequency = 2 GHz) was 3.5 × 8 mm.

Original languageEnglish
Pages (from-to)1016-1019
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume15
Issue number2 PART I
DOIs
Publication statusPublished - Jun 1 2005

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Bandpass filters
bandpass filters
Resonators
Poles
poles
attenuation
resonators
Wavelength
inverters
Coplanar waveguides
wavelengths
Waveguide filters
waveguides
cross coupling
electrical impedance
simulators
Simulators
impedance
slopes
intervals

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Design and performance of miniaturized quarter-wavelength resonator bandpass filters with attenuation poles. / Kanaya, H.; Kawakami, K.; Koga, F.; Kanda, Y.; Yoshida, K.

In: IEEE Transactions on Applied Superconductivity, Vol. 15, No. 2 PART I, 01.06.2005, p. 1016-1019.

Research output: Contribution to journalArticle

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