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Versatile and Efficient Hybrid-Ring Architecture for Advanced Radar Functionalities
An original architecture based on composite configurations of printed-circuit hybrid rings is developed for flexible signal-processing functionalities in advanced monopulse radar applications. The modularity of the proposed topology, together with proper design choices, strongly simplifies the structure of the beam forming network, reducing the relevant ohmic losses and consequently improving the antenna gain. The circuit allows also us to manage only two RF channels (instead of the conventional three), combining the delta- and omnidirectional-channel functions. The principles of the structure are presented and a specific layout is designed. Stripline prototypes are fabricated and tested for L-band applications. The compared results of simulations and measurements fully confirm the interesting performance of this device. The versatility of the architecture is illustrated further considering alternative circuit implementations.
Zucca Marco, Ciattaglia Matteo, Pintauro Roberto, Valerio Guido, Galli Alessandro
Paper for Specialistic Magazine
Microwave and Optical Technology Letters ( Vol. 55, No. 7, July 2013)
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