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In this article, a simple‐to‐design technique is presented to improve the out of band response as well as miniaturize the overall size of the waveguide filters. By appropriate coupling of capacitively loaded cavities resonating at the same fundamental frequency with different higher resonant modes, the out of band response of the filter is considerably improved. A third‐order filter is designed, simulated, and fabricated. The response of the proposed filter is compared with one from conventional third‐order inductive post filter. Good agreement between simulated and measured responses confirms the validity and accuracy of the design. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:512–515, 2014

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3359 VI. CONCLUSIONA buoyant, inkjet-printed, paper-based 3-D Lagrangian sensor for real-time flood monitoring has been presented. A new antenna design has been introduced comprising a dipole uniquely oriented on all the faces of a cube to achieve a near isotropic radiation pattern. The antenna performance has been demonstrated in an unconventional lossy medium of water and the sensor is able to communicate across a decent range both while in air as well as while half immersed in water. This work demonstrates a hybrid system utilizing a silicon chip integrated with an inkjet-printed circuit and antenna. This is a step forward in realizing all inkjet-printed, paper-based 3-D electronics. REFERENCES[1] L. "Evaluation of the real-time TRMM-based multi-satellite precipitation analysis for an operational flood prediction system