Study of parallel coupled-line microstrip filter in broadband

Chia Chung Chen*, Jen Tsai Kuo, Meshon Jiang, Albert Chin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

A parallel coupled-line microstrip filter is designed and implemented on PCB with its maximum bandwidth. In this paper, this filter has presented almost very good characteristics including the simulated bandwidth of 67%, the measured bandwidth of 64%, lower insertion loss of 1.27 dB, and flat response in the pass-band. The maximum bandwidth fabricated on PCB shows good agreement with the theoretically calculated bandwidth of 70% due to the narrower gap size between the coupled lines.

Original languageEnglish
Pages (from-to)373-375
Number of pages3
JournalMicrowave and Optical Technology Letters
Volume48
Issue number2
DOIs
StatePublished - 1 Feb 2006

Keywords

  • Narrower gap
  • PCB
  • Parallel coupled-line microslrip filter

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