Planar compact ellipticfunction low-pass filter using high-permittivity ceramics substrate

Yuan Bin Chen; Cheng-Liang Huang; Ching Wen Lo

doi:10.1002/mop.21637

Planar compact ellipticfunction low-pass filter using high-permittivity ceramics substrate

Yuan Bin Chen, Cheng-Liang Huang, Ching Wen Lo

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

A component elliptic-function low-pass filter using microstrip stepped-impedance hairpin resonators and their equivalent-circuit models is developed. The prototype filters are synthesized from the equivalent-circuit model using available element value tables. To optimize the performance of the filters, electro-magnetic simulation is used to tune the dimensions of the prototype filters. The filter using multiple cascaded hairpin resonators provides a very sharp cutoff-frequency response with low insertion loss. The full-wave simulator IE3D is used to design the elliptic-function low-pass filter. The response of the fabricated filter using Al₂O₃ (ε_r = 9.7, Q × f = 350,000 GHz) and La(Mg _1/2Ti_1/2)O₃ (ε_r = 28.6 Q × f = 60,000 GHz).

Original language	English
Pages (from-to)	1393-1398
Number of pages	6
Journal	Microwave and Optical Technology Letters
Volume	48
Issue number	7
DOIs	https://doi.org/10.1002/mop.21637
Publication status	Published - 2006 Jul 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1002/mop.21637

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title = "Planar compact ellipticfunction low-pass filter using high-permittivity ceramics substrate",

abstract = "A component elliptic-function low-pass filter using microstrip stepped-impedance hairpin resonators and their equivalent-circuit models is developed. The prototype filters are synthesized from the equivalent-circuit model using available element value tables. To optimize the performance of the filters, electro-magnetic simulation is used to tune the dimensions of the prototype filters. The filter using multiple cascaded hairpin resonators provides a very sharp cutoff-frequency response with low insertion loss. The full-wave simulator IE3D is used to design the elliptic-function low-pass filter. The response of the fabricated filter using Al2O3 (εr = 9.7, Q × f = 350,000 GHz) and La(Mg 1/2Ti1/2)O3 (εr = 28.6 Q × f = 60,000 GHz).",

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