A miniaturized interdigital microstrip bandpass filter

by: Kao-Cheng Huang, D Hyland, A Jenkins, D Edwards, D Dew-Hughes

Applied Superconductivity, IEEE Transactions on, Vol. 9, No. 2. (1999), pp. 3889-3892.

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Abstract

A 2.4 GHz three-stage microstrip bandpass filter was designed using a miniaturized interdigital capacitor structure to reduce the configuration in size. The filter was simulated by a finite element method software and then fabricated using TBCCO superconducting films on 20 mm×20 mm×0.5 mm MgO substrates. It was generated by photolithographic and wet etching process and packaged in a brass box. The bandwidth is 4% and the passband insertion loss of the filter was measured to be -0.4 dB at 77 K. The return loss is better than -8 dB. In particular, this filter has a sharper performance at its edge of fundamental pass band

@article{citeulike:1988313, abstract = {A 2.4 GHz three-stage microstrip bandpass filter was designed using a miniaturized interdigital capacitor structure to reduce the configuration in size. The filter was simulated by a finite element method software and then fabricated using TBCCO superconducting films on 20 mm\×20 mm\×0.5 mm MgO substrates. It was generated by photolithographic and wet etching process and packaged in a brass box. The bandwidth is 4\% and the passband insertion loss of the filter was measured to be -0.4 dB at 77 K. The return loss is better than -8 dB. In particular, this filter has a sharper performance at its edge of fundamental pass band}, author = {Huang, Kao-Cheng and Hyland, D. and Jenkins, A. and Edwards, D. and Dew-Hughes, D. }, booktitle = {Applied Superconductivity, IEEE Transactions on}, citeulike-article-id = {1988313}, journal = {Applied Superconductivity, IEEE Transactions on}, keywords = {filter, interdigital, microstrip}, number = {2}, pages = {3889--3892}, posted-at = {2007-11-26 20:31:14}, priority = {2}, title = {A miniaturized interdigital microstrip bandpass filter}, url = {http://ieeexplore.ieee.org/xpls/abs\_all.jsp?arnumber=783877}, volume = {9}, year = {1999} }

RIS record

TY - JOUR ID - citeulike:1988313 TI - A miniaturized interdigital microstrip bandpass filter T2 - Applied Superconductivity, IEEE Transactions on JF - Applied Superconductivity, IEEE Transactions on VL - 9 IS - 2 SP - 3889 EP - 3892 N2 - A 2.4 GHz three-stage microstrip bandpass filter was designed using a miniaturized interdigital capacitor structure to reduce the configuration in size. The filter was simulated by a finite element method software and then fabricated using TBCCO superconducting films on 20 mm×20 mm×0.5 mm MgO substrates. It was generated by photolithographic and wet etching process and packaged in a brass box. The bandwidth is 4% and the passband insertion loss of the filter was measured to be -0.4 dB at 77 K. The return loss is better than -8 dB. In particular, this filter has a sharper performance at its edge of fundamental pass band KW - filter KW - interdigital KW - microstrip AU - Huang, Kao-Cheng AU - Hyland, D AU - Jenkins, A AU - Edwards, D AU - Dew-Hughes, D PY - 1999/// UR - http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=783877 ER -

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