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 Jan 1

Fingerprint

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

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

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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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, 01.01.2003, p. 2717-2720.

Research output: Contribution to journalArticle

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