Abstract
AbstractThe radiation characteristics of a microstrip planar array of triangular patch antennas printed on NiZn ferrite substrate with a normal magnetic bias field are described. The extra degree of freedom offered by the biased ferrite can be used to obtain a number of novel characteristics, including switchable and tunable radiations from a microstrip antenna with a single feed point. In such a case, for antenna radiation, most of the power is converted into magnetostatic waves and little power radiates in the air. Under such circumstances, the antennas are off, in the sense that they are effectively absent as radiators. The radiation properties of the present array system in the L‐band (2 GHz) are analyzed. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 286–290, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20447
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