A compact lumped-element lowpass filter using low temperature cofired ceramic technology

Sung Hun Sim, Chong-Yun Kang, Ji Won Choi, Hyung Wook Choi, Young Joong Yoon, Seok Jin Yoon, Hyun Jai Kim

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The design method for a small lowpass filter (LPF) having a multilayer structure, which can be embedded in RF modules, is presented. Low loss, three dimensional inductors and capacitors have been investigated and incorporated to design a chip-type LPF. The Chebyshev LPF has been designed with a cutoff frequency of 2 GHz, a ripple of 0.1 dB, and a high attenuation (<-30 dB). The low temperature cofired ceramic (LTCC) materials have a dielectric constant of 7.8, a loss tangent of 0.0015, and a metallization of silver. The characteristics of the embedded passives (of which the structures were rectangular helical inductors and parallel-plate capacitors) have been analyzed by 3D structure simulator and the equivalent circuit simulated.

Original languageEnglish
Pages (from-to)2717-2720
Number of pages4
JournalJournal of the European Ceramic Society
Volume23
Issue number14
DOIs
Publication statusPublished - 2003 Sep 15

Fingerprint

Capacitors
Chebyshev filters
Cutoff frequency
Ceramic materials
Metallizing
Silver
Equivalent circuits
Multilayers
Permittivity
Simulators
Temperature

Keywords

  • Filters
  • Lowpass filters
  • LTCC

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Sim, S. H., Kang, C-Y., Choi, J. W., Choi, H. W., Yoon, Y. J., Yoon, S. J., & Kim, H. J. (2003). A compact lumped-element lowpass filter using low temperature cofired ceramic technology. Journal of the European Ceramic Society, 23(14), 2717-2720. https://doi.org/10.1016/S0955-2219(03)00184-5

A compact lumped-element lowpass filter using low temperature cofired ceramic technology. / Sim, Sung Hun; Kang, Chong-Yun; Choi, Ji Won; Choi, Hyung Wook; Yoon, Young Joong; Yoon, Seok Jin; Kim, Hyun Jai.

In: Journal of the European Ceramic Society, Vol. 23, No. 14, 15.09.2003, p. 2717-2720.

Research output: Contribution to journalArticle

Sim, Sung Hun ; Kang, Chong-Yun ; Choi, Ji Won ; Choi, Hyung Wook ; Yoon, Young Joong ; Yoon, Seok Jin ; Kim, Hyun Jai. / A compact lumped-element lowpass filter using low temperature cofired ceramic technology. In: Journal of the European Ceramic Society. 2003 ; Vol. 23, No. 14. pp. 2717-2720.
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