Development of a SAW duplexer with one-chip isolation circuits

Yongrae Roh, Seunghee Lee

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

We propose new structures of one-chip type SAW duplexers where Tx and Rx SAW ladder filters as well as isolation networks are fabricated together on a single 36° LiTaO3 piezoelectric substrate. The new SAW duplexer can overcome the difficulty in fabrication of conventional SAW duplexers while providing the performance matching that of conventional duplexers. Validity of the structure is verified through numerical simulation and experiments.

Original languageEnglish
Pages (from-to)413-416
Number of pages4
JournalUltrasonics
Volume42
Issue number1-9
DOIs
StatePublished - Apr 2004
EventProceedings of Ultrasonics International 2003 - Granada, Spain
Duration: 30 Jun 20033 Jul 2003

Keywords

  • Isolation network
  • Micro-strip line
  • Optimal design
  • SAW duplexer

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