Microstrip linear phase low pass filter based on defected ground structures for partial response modulation

Bruno Cimoli*, Tom Keinicke Johansen, Juan Jose Vegas Olmos

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We report a high performance linear phase low pass filter (LPF) designed for partial response (PR) modulations. For the implementation, we adopted microstrip technology and a variant of the standard stepped‐impedance technique. Defected ground structures (DGS) are used for increasing the characteristic impedance of transmission lines. Experimental results prove that the proposed filter can successfully modulate a non‐return‐to‐zero (NRZ) signal into a five levels PR one.
Original languageEnglish
JournalMicrowave and Optical Technology Letters
Volume60
Issue number1
Pages (from-to)18-25
Number of pages8
ISSN0895-2477
DOIs
Publication statusPublished - 2018

Keywords

  • Defected ground structures
  • Microwave filters
  • Partial response modulation

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