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An ultra-wideband (6–18 GHz) phased-array antenna with a beam scanning angle of ±28° is proposed. A step-by-step design procedure consisting of beamforming network (BFN), end-launcher feed adapter, and the radiating element is presented. Microstrip Rotman lens has been designed to act as the BFN, and optimized to achieve minimum phase-error over the whole frequency range. In order to satisfy the condition...
In this paper we use a hybrid full-wave and circuit modei technique to study the gain variation of a power amplifier that is illuminated by a plane wave. In addition, a measurement setup in a semi an echoic chamber is proposed for this problem. Susceptibility of an unshielded/shielded RF power amplifier is studied by the hybrid method and the measurement at different incident wave frequencies and...
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