A design method for patch antennas with wide frequency tunable range and stable conical radiation

Jia Fu Tsai; Chuang Jiashih Shih; Jeen Sheen Row

doi:10.1002/mop.26846

A design method for patch antennas with wide frequency tunable range and stable conical radiation

Jia Fu Tsai, Chuang Jiashih Shih, Jeen Sheen Row

Department of Electrical Engineering

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

3 Citations (Scopus)

Abstract

A design for patch antennas with a wide-frequency tuning range is presented. The antenna structure is composed of a top-loaded monopole and a parasitic shorted ring patch. With a variable capacitor and a microstrip exponentially tapered line, the operating frequency of the antenna can be tuned between two parallel resonant modes, both of which have symmetrical conical radiations. The key parameters of the proposed design are investigated for obtaining a maximum tuning range. A design procedure is also given. The results obtained demonstrate that the proposed antenna design can offer a frequency tuning range of more than 50%, and its radiation is stable within the range.

Original language	English
Pages (from-to)	1441-1445
Number of pages	5
Journal	Microwave and Optical Technology Letters
Volume	54
Issue number	6
DOIs	https://doi.org/10.1002/mop.26846
Publication status	Published - 2012 Jun 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.26846

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Cite this

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abstract = "A design for patch antennas with a wide-frequency tuning range is presented. The antenna structure is composed of a top-loaded monopole and a parasitic shorted ring patch. With a variable capacitor and a microstrip exponentially tapered line, the operating frequency of the antenna can be tuned between two parallel resonant modes, both of which have symmetrical conical radiations. The key parameters of the proposed design are investigated for obtaining a maximum tuning range. A design procedure is also given. The results obtained demonstrate that the proposed antenna design can offer a frequency tuning range of more than 50%, and its radiation is stable within the range.",

author = "Tsai, {Jia Fu} and Shih, {Chuang Jiashih} and Row, {Jeen Sheen}",

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AU - Tsai, Jia Fu

AU - Shih, Chuang Jiashih

AU - Row, Jeen Sheen

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N2 - A design for patch antennas with a wide-frequency tuning range is presented. The antenna structure is composed of a top-loaded monopole and a parasitic shorted ring patch. With a variable capacitor and a microstrip exponentially tapered line, the operating frequency of the antenna can be tuned between two parallel resonant modes, both of which have symmetrical conical radiations. The key parameters of the proposed design are investigated for obtaining a maximum tuning range. A design procedure is also given. The results obtained demonstrate that the proposed antenna design can offer a frequency tuning range of more than 50%, and its radiation is stable within the range.

AB - A design for patch antennas with a wide-frequency tuning range is presented. The antenna structure is composed of a top-loaded monopole and a parasitic shorted ring patch. With a variable capacitor and a microstrip exponentially tapered line, the operating frequency of the antenna can be tuned between two parallel resonant modes, both of which have symmetrical conical radiations. The key parameters of the proposed design are investigated for obtaining a maximum tuning range. A design procedure is also given. The results obtained demonstrate that the proposed antenna design can offer a frequency tuning range of more than 50%, and its radiation is stable within the range.

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