Abstract: This letter presents a continuously-tunable quasi-reflectionless filtering attenuator (QRFA). The continuous attenuation control is achieved by adjusting the bias voltage of the p-i-n diodes ...
Abstract: In this work, a novel full W-band waveguide reflection-based adjustable attenuator (WRAA) based on quadrature hybrid couplers (QHCs) is presented. The attenuator consists of input and output ...
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