Modeling of Lumped-Element Coplanar-Stripline Low-Pass Filter

Shau Gang Mao, Hwann Kaeo Chiou, Chun Hsiung Chen

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

A novel coplanar-stripline low-pass filter using lumped-element spiral inductors and interdigital capacitors is proposed. To characterize this filter, a simple CAD equivalent-circuit model is established. The elements of this model, which consist of transmission lines, resistances, inductances, and capacitances, can all be handled by the closed-form formulas; hence this model is suitable for CAD application. In this study, results based on CAD model, full-wave simulation, and measurement are presented, and good agreement among these results validates the usefulness of the proposed CAD model. Being compact and uniplanar in structure, this coplanar-stripline low-pass filter is useful in the implementation of monolithic microwave integrated circuits (MMIC's).

Original languageEnglish
Pages (from-to)141-143
Number of pages3
JournalIEEE Microwave and Guided Wave Letters
Volume8
Issue number3
DOIs
StatePublished - Mar 1998

Keywords

  • CAD model
  • Coplanar-stripline filter

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