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Investigations on the electromagnetic coupling effect of rectangular split ring resonators (SRRs) coupled to coplanar waveguide (CPW) are presented. Rectangular SRRs shape alteration and its effect to transmission line performance has been studied by changing its vertical and horizontal 2-d orientation. We observe that the confined magnetic field plays an important role in determining the resonance...
In this paper, we present a metamaterial coplanar waveguide (CPW) filter with performance improvement utilizing horizontal rectangular split ring resonators (SRRs). The filter is designed for S-Band frequency operation of 2.3 GHz allowing application in many microwave communication systems. We study S-parameter results and find that improvement of insertion loss and bandwidth can be obtained by making...
This paper presents 10dB planar directional coupler on FR4 substrate for Automatic Gain Control (AGC) system. The proposed design uses single section coupled line method that simulated using simulation software ADS 2011.10 and fabricated on FR4 substrate. The proposed design exhibits a return loss of −22dB, isolation of −26dB, a coupling level accuracy of 9.4dB and insertion loss of −0.7dB at 600MHz...
This paper presents design and fabrication of 2-way Wilkinson power divider (WPD) for dual operating frequency. This WPD use dual operating frequencies on 2.4GHz and 4.928GHz. In this WPD, two branches of impedance transformer and the output ports are shunted with parallel connection of a resistor (R), an inductor (L) and a capacitor (C). Simulation and measurement results of this WPD design are shown...
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