Simon Buddle discusses the pros and cons of single-line KNX topology, and the benefits of using line couplers to support separate lines and power supplies, particularly in apartment blocks. As we move ...

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 ...