Enhanced Design of Reconfigurable Integrated Filter and Antenna Based on Multilayer Approach
2018
In this paper, an enhancement design of reconfigurable integrated SIW and patch antenna using the varactor diodes is presented. To realize the concept, reconfigurable SIW filter and reconfigurable patch antenna were combined using the multilayer technique into a single structure. To validate the design technique, the equivalent circuit model of the tunable varactor diode network is presented to study the tunability mechanism. The experimental performance shows good agreement with the tunable attenuation response up to 15.5 dB, better than 10 dB in the passband region. The investigation presented here may facilitate improvements in an integrated technique with a good tuning capability for wireless communication systems.
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