Design of an LTCC Tri-band transceiver module for GPRS mobile applications

Yo Shen Lin, Chien Chang Liu, Ko Mai Li, Chun Hsiung Chen

Research output: Contribution to journalArticlepeer-review

108 Scopus citations


This paper presents the design and results of a low-temperature co-fired ceramic (LTCC) module for tri-band general packet radio service (GPRS) mobile applications. The proposed transceiver module integrates the tri-band (EGSM900/DCS1800/PCS1900) antenna switch, the surface-acoustic-wave filters for band selection, and a fully integrated tri-band transceiver integrated circuit into one LTCC package. By taking advantages of the three-dimensional layout capability of the LTCC substrate, the embedded circuit elements can be arranged vertically for size reduction. In addition, the utilization of mutual coupling leads to a novel design of miniature lumped-element realization of the transmission line. By combining these miniature passive component designs, the proposed module features a compact size of 13.8 mm × 8.1 mm, with a packaged height of 1.8 mm. The module is compliant with the European Telecommunications Standards Institute regulations for GPRS mobile applications and is currently in use in commercially available mobile phones.

Original languageEnglish
Pages (from-to)2718-2724
Number of pages7
JournalIEEE Transactions on Microwave Theory and Techniques
Issue number12
StatePublished - Dec 2004


  • Ceramic
  • General packet radio service (GPRS)
  • Low-temperature co-fired ceramic (LTCC)
  • Module
  • Transceiver


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