A Single-Feed Dual Band PIFA with U-Shape and Non U-Shaped SlotsPIFAs (Planar Inverted F-Antennas) are considered as internal antennas which have the desirable features of compactness, moderate range of band-width, higher gain in principal planes for both states of polarization, are less prone for breakage, and reduced power absorption with the user as compared to external antennas. In addition to cellular applications, PIFAs have become attractive candidates in a variety of commercial applications such as Blue-tooth and mobile satellite communications. In this paper, a new single feed dual band PIFA design is proposed. This PIFA exhibits GPS (1575 MHz) and WCDMA RX (2110 – 2170 MHz) frequency bands, which is of special interest for 3G communications.
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