Balanced BPF design of substrate-integrated waveguide cavity using hybrid microstrip/slot feed for CM suppression

Meng Yu Chen; Wanchu Hong; Min Hua Ho

doi:10.1049/el.2014.1948

Balanced BPF design of substrate-integrated waveguide cavity using hybrid microstrip/slot feed for CM suppression

Meng Yu Chen, Wanchu Hong, Min Hua Ho

Graduate Institute of Communication Engineering

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

9 Citations (Scopus)

Abstract

A dual-mode balanced bandpass filter (BPF) design with an excellent common-mode (CM) rejection performance is presented. The balanced filter is composed of coupled substrate-integrated waveguide (SIW) cavities and a hybrid microstrip/slot feed. The cavities are of a square shape to produce two degenerated resonance modes, TE₁₀₂ and TE₂₀₁, for dual-mode operation. The hybrid microstrip/slot feed is developed to suppress the unwanted CM signals in both the inband and out-band regions. The measured CM signal rejection levels are over 50 dB. A experiment was conducted to verify this novel balanced BPF design.

Original language	English
Pages (from-to)	1533-1534
Number of pages	2
Journal	Electronics Letters
Volume	50
Issue number	21
DOIs	https://doi.org/10.1049/el.2014.1948
Publication status	Published - 2014 Oct 9

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1049/el.2014.1948

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abstract = "A dual-mode balanced bandpass filter (BPF) design with an excellent common-mode (CM) rejection performance is presented. The balanced filter is composed of coupled substrate-integrated waveguide (SIW) cavities and a hybrid microstrip/slot feed. The cavities are of a square shape to produce two degenerated resonance modes, TE102 and TE201, for dual-mode operation. The hybrid microstrip/slot feed is developed to suppress the unwanted CM signals in both the inband and out-band regions. The measured CM signal rejection levels are over 50 dB. A experiment was conducted to verify this novel balanced BPF design.",

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N2 - A dual-mode balanced bandpass filter (BPF) design with an excellent common-mode (CM) rejection performance is presented. The balanced filter is composed of coupled substrate-integrated waveguide (SIW) cavities and a hybrid microstrip/slot feed. The cavities are of a square shape to produce two degenerated resonance modes, TE102 and TE201, for dual-mode operation. The hybrid microstrip/slot feed is developed to suppress the unwanted CM signals in both the inband and out-band regions. The measured CM signal rejection levels are over 50 dB. A experiment was conducted to verify this novel balanced BPF design.

AB - A dual-mode balanced bandpass filter (BPF) design with an excellent common-mode (CM) rejection performance is presented. The balanced filter is composed of coupled substrate-integrated waveguide (SIW) cavities and a hybrid microstrip/slot feed. The cavities are of a square shape to produce two degenerated resonance modes, TE102 and TE201, for dual-mode operation. The hybrid microstrip/slot feed is developed to suppress the unwanted CM signals in both the inband and out-band regions. The measured CM signal rejection levels are over 50 dB. A experiment was conducted to verify this novel balanced BPF design.

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