Compact and low-insertion-loss dual-mode patch filter with spur-lines

Y. Sung; B. Y. Kim; C. S. Ahn; Y. S. Kim

doi:10.1002/mop.20366

Compact and low-insertion-loss dual-mode patch filter with spur-lines

Y. Sung, B. Y. Kim, C. S. Ahn, Y. S. Kim

* Honorary professors

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

10 Citations (Scopus)

Abstract

A compact microstrip dual-mode bandpass filter with inserted spur-lines at the edge of the patch is proposed. In order to obtain a low insertion loss, the proposed filter has no coupling gaps. Also, it has a size reduction of about 45% at the same resonant frequency as compared conventional dual-mode bandpass filters. Feed lines with offset are applied to ensure a minimal mismatch. From the measured results, the dual-mode filter has a 0.58-dB insertion loss at 1.27 GHz with 12% bandwidth.

Original language	English
Pages (from-to)	33-34
Number of pages	2
Journal	Microwave and Optical Technology Letters
Volume	43
Issue number	1
DOIs	https://doi.org/10.1002/mop.20366
Publication status	Published - 2004 Oct 5

Keywords

Dual-mode filter
Patch filter
Spur-lines

ASJC Scopus subject areas

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.20366

Cite this

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abstract = "A compact microstrip dual-mode bandpass filter with inserted spur-lines at the edge of the patch is proposed. In order to obtain a low insertion loss, the proposed filter has no coupling gaps. Also, it has a size reduction of about 45% at the same resonant frequency as compared conventional dual-mode bandpass filters. Feed lines with offset are applied to ensure a minimal mismatch. From the measured results, the dual-mode filter has a 0.58-dB insertion loss at 1.27 GHz with 12% bandwidth.",

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AB - A compact microstrip dual-mode bandpass filter with inserted spur-lines at the edge of the patch is proposed. In order to obtain a low insertion loss, the proposed filter has no coupling gaps. Also, it has a size reduction of about 45% at the same resonant frequency as compared conventional dual-mode bandpass filters. Feed lines with offset are applied to ensure a minimal mismatch. From the measured results, the dual-mode filter has a 0.58-dB insertion loss at 1.27 GHz with 12% bandwidth.

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KW - Spur-lines

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Compact and low-insertion-loss dual-mode patch filter with spur-lines

Abstract

Keywords

ASJC Scopus subject areas

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