Compact copper microstrip filters with spiral resonators

Frederick Huang, LB Yue, D Gulati

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Copper microstrip filters using spiral resonators, with a centre frequency of about 1 GRz and bandwidths of 5% and 16%, are designed and tested. Their advantages over parallel-coupled filters are smaller size and more convenient shape. The spirals alleviate deterioration in simulation accuracy, over-etch tolerance, and losses due to the size reduction. (C) 2004 Wiley Periodicals, Inc.
Original languageEnglish
Pages (from-to)460-463
Number of pages4
JournalMicrowave and Optical Technology Letters
Issue number6
Publication statusPublished - 1 Sept 2004


  • microstrips
  • spirals
  • filters
  • miniature


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