Abstract: This paper reviews the history of three classic designs of antennas elements, the Uda-Yagi antennas, developed in the 1920s, helix, introduced in the 1940s, and the log-periodic initiated in ...
Abstract: This letter presents a multiband modified Yagi antenna, which can operate at four individual frequency bands (0.87 GHz, 1.53 GHz, 2.32 GHz, and 5.55 GHz). The proposed antenna consists of ...
This article explores the performance of a Yagi-Uda patch antenna with Koch fractal geometry of different orders on an FR-4 substrate. It exhibits multiband operation, enabling the use across multiple ...
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