Design and performance of miniaturized quarter-wavelength resonator bandpass filters with attenuation poles
In: The 2004 Applied Superconductivity Conference, Jacksonville, FL, USA, October 3-8, 2004IEEE transactions on applied superconductivity 15(2):1016-1019; Jg. 15 (2005) 2, S. 1016-1019
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Zugriff:
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.
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Design and performance of miniaturized quarter-wavelength resonator bandpass filters with attenuation poles
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Autor/in / Beteiligte Person: | KANAYA, H ; KAWAKAMI, K ; KOGA, F ; KANDA, Y ; YOSHIDA, K |
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Quelle: | The 2004 Applied Superconductivity Conference, Jacksonville, FL, USA, October 3-8, 2004IEEE transactions on applied superconductivity 15(2):1016-1019; Jg. 15 (2005) 2, S. 1016-1019 |
Veröffentlichung: | New York, NY: Institute of Electrical and Electronics Engineers, 2005 |
Medientyp: | Konferenz |
Umfang: | print, 9 ref 1 |
ISSN: | 1051-8223 (print) |
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