What question did this study set out to answer?

To develop and evaluate a technique for inherently generating circular polarization from compact microstrip antennas using curved travelling-wave transmission lines.

January 1, 1979IEE Journal on Microwaves Optics and Acoustics

Curved microstrip lines as compact wideband circularly polarised antennas

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Authors

CWC. WoodUniversity of Leeds

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Implication

Experimental analysis demonstrates up to 40% bandwidth at 10 GHz in curved microstrip antennas, highlighting a simplified design that eliminates complex feeding networks.

Key Points

To develop and evaluate a technique for inherently generating circular polarization from compact microstrip antennas using curved travelling-wave transmission lines.
Modeled curved microstrip lines supporting a single travelling wave using effective magnetic current sources to calculate wave decay coefficients.
Fabricated and evaluated circular and spiral microstrip antenna configurations operating at 10 GHz with matched line terminations.
Curved circular and spiral antennas achieved an operational bandwidth of up to 40% at 10 GHz.
Antennas demonstrated an average radiation efficiency of 50%, with remaining power dissipated in the matched termination.
Theoretical decay coefficients showed reasonable agreement with experimental values while removing bandwidth limitations from resonant matching and separate circular-polarization feed networks.

Cite This Study

C. Wood (1979) studied this question.

synapsesocial.com/papers/6a845d3f4e8c7cff228d766a https://doi.org/10.1049/ij-moa.1979.0002

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Implication

Experimental analysis demonstrates up to 40% bandwidth at 10 GHz in curved microstrip antennas, highlighting a simplified design that eliminates complex feeding networks.

Curved microstrip lines as compact wideband circularly polarised antennas

Discussion

Member takes

Implication

Key Points

Cite This Study

Curved microstrip lines as compact wideband circularly polarised antennas

Discussion

Member takes

Implication

Key Points

Cite This Study

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