Analysis of new active antenna with a patch as feed-back network, using the NDF Method

Ángel Parra-Cerrada, José L. Jiménez-Martín, Daniel Segovia-Vargas and Vicente González-Posadas

Journal of Electromagnetic Waves and Applications, 2016, vol. 30, issue 13, 1763-1772

Abstract: This paper shows the design of an active patch antenna. First, an analysis of the electric field inside the patch is performed to determine the compatibility of the modes of the patch with the desired feeding. The desired feeding is as a serial two-port resonator, so the suitable mode is the “Mode 1”. Then a linear analysis of the active antenna is performed. In this particular example, it is possible to use the classic Loop Gain Method, but its use is not guaranteed. So, the proposed NDF Method is used because it is independent of the oscillator topology and it is valid without any restriction or proviso. Then a Harmonic Balance analysis is performed and the results are compared with the measurements of a prototype.

Date: 2016
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DOI: 10.1080/09205071.2016.1215265

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