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PIER PIER B PIER C PIER M PIER Letters
2011-01-21
The Design and Fabrication of a Highly Compact Microstrip Dual-Band Bandpass Filter
By
Chu-Yu Chen,

    Professor Chu-Yu Chen

    Department of Electronic Engineering

    National University of Tainan

    Taiwan, R.O.C.

    Homepage

Chien-Chih Lin

    Dr. Chien-Chih Lin

    Department of Electrical Engineering

    National University of Tainan

    Taiwan

    Homepage

Progress In Electromagnetics Research, Vol. 112, 299-307, 2011
doi:10.2528/PIER10111301
Abstract
A highly miniaturized 2.45/5.7 GHz dual-band bandpass filter is presented in this paper. It shows that the proposed filter which combines different sizes of open-loop resonators can excite two desired passbands. With the meandered technology and fractal geometry, the overall size is extremely compact compared with the published dual-band bandpass filters. Furthermore, the skirt selectivity of the proposed filter with two transmission zeros locating at both sides of the passbands is much improved. The rejection of the spurious response from 6.7 GHz to 14.5 GHz is successfully suppressed to the level lower than -15dB. The occupied area of the proposed filter is 9.8×8.7 mm2. The measurement is in good agreement with the simulation
Citation
Chu-Yu Chen, and Chien-Chih Lin, "The Design and Fabrication of a Highly Compact Microstrip Dual-Band Bandpass Filter," Progress In Electromagnetics Research, Vol. 112, 299-307, 2011.
doi:10.2528/PIER10111301
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