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A compact microstrip parallel coupled line filter for ultra wide band applications by means of combining a network of coupled line and defected ground is proposed. The design equations for three and five interconnected networks are derived and implemented. Simulations for three different configurations for filters are optimized. Then three prototyp...
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Context 1
... we fabricated a circuit with similar features to Simulation Prototype II, as described in section 3.2. We can see the fabricated five section center frequency 2.25 GHz circuit in Figure 9. The response showing the simulation (indicated by letter s in the graph) and measurement is also indicated in Figure 10. ...
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