Abstract
A numerical modelling based on the solution of coupled integral equations is used for the design ofCPW-fed microstrip antennas. This type of antennas shows properties close to those of aperture-coupled antennas fed by microstrip lines. Oscillating antennas and large bandwidth antennas working in the C-band are realized with the help of the theoretical model. Various shapes of excitation slots are studied and the slot-loop is shown to be a convenient feeding for the insertion of active devices.
Résumé
Un modèle numérique basé sur la résolution d’équations intégrales couplées est utilisé pour la conception d’antennes microrubans alimentées par guide d’ondes coplanaire. On montre que les caractéristiques de ces antennes sont similaires à celles d’antennes alimentées par ligne microruban à travers une fente. Des antennes oscillantes et des antennes à large bande passante travaillant en bande C sont réalisées en utilisant le modèle théorique. Différentes formes de la fente d’excitation sont envisagées et il apparaît qu ’une fente en anneau est bien adaptée à l’intégration d’éléments actifs.
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references
Pozar (D. M.). Microstrip antenna aperture-coupled to a micro-stripline.Electronics letters (1985),21, pp. 49–50.
Sullivan (P. L.), Schaubert (D. H.). Analysis of an aperture coupled microstrip antenna.IEEE Trans. AP (1986),34, pp. 977–984.
Croq (F.), Papiernik (A.). Large bandwidth aperture-coupled microstrip antenna.Electronics Letters (1990),26, pp. 1293–1294.
Croq (F.). Antennes microrubans multicouches à large bande passante et haute pureté de polarisation. 3ecycle thesis, Univ. Nice-Sophia Antipolis, Fr. (Oct. 1990).
Menzel (W.), Grabherr (W.). A microstrip patch antenna with coplanar feed line.IEEE Trans. MGW Letters (Nov. 1991),1, n° 11, pp. 340–342.
Smith (R. L.), Williams (J. T.). Coplanar waveguide feed for microstrip patch antennas.Electronic Letters (3rd Dec. 1992),28, n° 25.
Giauffret (L.), Laheurte (J. M.). A CPW-fed active microstrip antenna working in the C-band. 24eEuMC, Cannes (Sep. 1994), pp. 1814–1818.
Itoh (T.), Mosig (J. R.). Integral equation technique from numerical techniques for microwave and millimeter-wave passive structures.John Wiley (1989), pp. 133–213.
Giauffret (L.), Laheurte (J. M.). Theoretical and experimental characterization of CPW-fed microstrip antennas.IEE Proceedings, Microwaves, Antennas and Propagation (Feb. 1996),143, n° 1, pp. 13–17.
Damiano (J. P.), Papiernik (A.). A simple and accurate model for the resonant frequency and the input impedance of printed antennas.International Journal of Microwave and Millimeter- Wave Computer-Aided Engineering (1993),3, n° 4, pp. 350–361.
Boyles (J. W.). The oscillator as a reflection amplifier : an intuitive approach to oscillator design.Microwave Journal (June 1986), pp. 83-98.
Johnson (K. M.). Large signal GaAs Mesfet oscillator design.IEEE Trans. MTT (March 1979),27, n° 3, pp. 217–227.
Kormanyos (B. K.)et al. CPW-fed active slot antennas.IEEE Trans. MTT (Apr. 1994),42, n° 4, pp. 541–545.
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Giauffret, L., Forma, G. & Laheurte, JM. CPW-fed passive and active microstrip antennas. Ann. Télécommun. 52, 319–328 (1997). https://doi.org/10.1007/BF02996074
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DOI: https://doi.org/10.1007/BF02996074
Key words
- Patch antenna
- Active antenna
- Coplanar line
- Antenna feed
- Electromagnetic coupling
- Slotted waveguide
- Microwave oscillator
- Radiation pattern