Miniaturized CPW filter for ultra-wideband applications

Young Pyo Hong, Seong Sik Myoung, Byung Jun Jang, Yongshik Lee, Jong Gwan Yook

Research output: Chapter in Book/Report/Conference proceedingConference contribution


A method of reducing the loss for ultra-wideband filters with parallel coupled lines is presented. For wideband operations, tight coupling levels are required for the coupled lines of the filters. For microstrip parallel coupled lines, tight coupling levels are obtained with very narrow strip widths, which may lead to excessive ohmic loss. With the parallel coupled line miniaturization technique using capacitive loadings, the same tight coupling level can be obtained with relatively wider strip widths. Thus the technique not only miniaturizes the filter, but also provides a means to reduce the overall loss of ultrawideband filters. Both the simulated and experimental results are provided.

Original languageEnglish
Title of host publicationProceedings of the 38th European Microwave Conference, EuMC 2008
Number of pages4
Publication statusPublished - 2008
Event38th European Microwave Conference, EuMC 2008 - Amsterdam, Netherlands
Duration: 2008 Oct 272008 Oct 31

Publication series

NameProceedings of the 38th European Microwave Conference, EuMC 2008


Other38th European Microwave Conference, EuMC 2008

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


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