Design and Simulation of a Dual-Band Filtering Power Divider Using Stepped Impedance Resonators and present a novel method for generation of transmission zeros
Journal Title: روش های هوشمند در صنعت برق - Year 2017, Vol 8, Issue 31
Abstract
In this article, a compact power divider with dual-band frequency response, designed and simulated using dual-mode stepped impedance resonators (SIRs) for WLAN application. The resonant frequencies of the proposed stepped impedance resonator are investigated using even- and odd-mode analysis for frequency of 2.4 GHz and 5.2 GHz. A new method is presented for feeding the stepped impedance resonators that using the wave cancellation theory to create transmission zeros near the pass bands. Finally, four transmission zeros are generated around the both pass bands to improve the selectivity and out of band isolation. To reducing the circuit size and possibility of the feeding method implementation, two spiral stepped impedance resonators are used to design the filtering power divider. the designed power divider is simulated by HFSS software. The proposed filtering power divider has a miniature size (0.14 λg × 0.15 λg), good isolation between the output ports as well as appropriate operation at the pass bands.
Authors and Affiliations
Mojtaba Mirzaei, Mohammad Amin Honarvar
Keywords
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