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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Explanation of DC/RF Loci for Active Patch Antennas

Ali, N.T., Hussaini, Abubakar S., Abd-Alhameed, Raed, Child, Mark B., Rodriguez, Jonathan, McEwan, Neil J., El-Khazmi, E.A. January 2010 (has links)
Yes / A characteristic loop locus of dc power versus RF output power was observed as the frequency was varied around the optimum point of an operational active antenna. A new technique was introduced into the simulation, plotting the dependence of parameters such as supply current, efficiency or output power on internal impedance as seen by the naked transistor. It is now clear that the loop was formed as a consequence of the interaction of the transistor packaging elements with the patch impedances.

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