Design of wide-band band-pass filters using discrete-time domain techniques

A transmission‐line configuration consisting of equal‐length two‐section open stubs, serial lines, and short stubs is employed to emulate the Z‐domain transfer function of a wideband band‐pass filter. Both mitering and slots are used to reduce the discontinuity effect caused by the abrupt changes of...

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Bibliographic Details
Published in:Microwave and optical technology letters 2004-11, Vol.43 (3), p.264-266
Main Authors: Tsai, Lin-Chuan, Chen, Kuo-Lung, Hsue, Ching-Wen
Format: Article
Language:English
Subjects:
microstrip lines
wideband band-pass filter
Z domain
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Summary:A transmission‐line configuration consisting of equal‐length two‐section open stubs, serial lines, and short stubs is employed to emulate the Z‐domain transfer function of a wideband band‐pass filter. Both mitering and slots are used to reduce the discontinuity effect caused by the abrupt changes of characteristic impedances of transmission lines. A wideband filter is realized in the form of microstrip lines and its frequency responses are measured to validate this novel method. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 264–266, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20438
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.20438