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A compact UWB bandpass filter using two-section open-circuited stubs to realize transmission zeros

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7 Author(s)
Peng Cai ; Sch. of Commun. & Inf. Eng., Shanghai Univ., China ; Zhewang Ma ; Xuehui Guan ; Xuexia Yang
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A design of a compact ultra-wideband (UWB) bandpass filter is presented in this paper. The filter is synthesized by a modified theory using Z-transform technique. In order to get sharp attenuations of the filter, shunt two-section open-circuited stubs are employed to produce transmission zeros in the lower and upper stopbans. A 3-degree UWB filter is designed and implemented in the form of microstrip lines, and the measured characteristics show good agreement with the theoretical and simulated results.

Published in:

2005 Asia-Pacific Microwave Conference Proceedings  (Volume:5 )

Date of Conference:

4-7 Dec. 2005