compact dual band antenna microbande 2.45 and 5.2 ghz for the wifi network

摘要

the invention provides an antenna microbande (or microstrip) compact dual band systems and devices using the wireless network in the two frequency bands for the various ieee 802 standards technology. he, 2.45 and 5.2 ghz.to achieve this, we have opted for the design of an antenna using microstrip technology of antennas printed on a dielectric substrate. the radiating elements of the antenna array is a copper conductor to form a longitudinal segment consisting of four segments have lengths on the descending direction perpendicular to this segment (figure 1).this element is deposited on a substrate of dielectric permittivity of 4.4 and thickness fr4 1.5mm. the other side of the dielectric substrate comprises a copper conductor in the shape of a rectangle. the radiating element includes a line impedance microbande 5oohms. the dimensions of the antenna are 15x15x1.5 mm. the frequency bands are covered by the antenna 2.45 and 5.2 ghz (figure 2) thus the wi fi technology (figure 2). in addition, the gain of between 2.0 and 2.8 db, and the diagram (figure 3) and is to radiate omnidirectional (figure 4).