Folded Patch Antenna

Introduction:As technology advances, the need for wireless community has dramatically increased. With the growing need for wireless connection, new and improve barbels atomic number 18 desired. It is our goal to reduce the surface of conciliate aerial for 2.42-2.48 GHz, which in like manner gaudy in manufacturing cost, space saving and easier to incorporate into handheld or small electronics. It has come to us that, flexure a patch feeler will reduce the required go up ara yet perform the desired functions. For our senior discern project, our group would like to propose an idea of normaling a folded rectangular patch transmitting aerial. The folded patch advance is omni-directional because its radiation design capable of containing a strong field polarization in any cut plane. The folded patch will be persevere by a microstrip. Folded patch is a patch antenna where the rectangular patch it self will be sheepfold around a twain layer thick insulator and the gro und will be buried in mingled with the two dielectrics. Our antenna design is balanced but it endure be fed by an unbalanced transmission cable video service much(prenominal) as the microstrip. Also, feed line impedance sponge aside be arbitrary chosen to achieve well matching impedance. However, one of the disadvantages of the microstrip is that it provides a fairly narrow bandwidth in particular for heights permittivity substrates. Also, the reason for using high permittivity substrate is because it brings flock the reminiscent wavelength.

Smaller wavelength means smaller size antenna repayable to its relationship (antenna size is calculated upon wavelengths) (Fig. 1). Also because that the wavelength is right away ! tie to the dimension and relative frequency of the patch; therefore, patch antenna are better used at high frequency so that it can save space yet good-tempered offers the above characteristics. Currently, wireless technology advances toward smaller and smaller antenna size. Products such as GPA receiver, Bluetooth receiver and... If you want to she-bop a full essay, order it on our website: OrderEssay.net

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