Miniaturization of UWB RF Six-Port Circuit at 6-8.5 (6-9) GHz using Multi-Layer Microvia Printed circuit Board with Symmetric Stack Approach

Abstract: Technological advancements in the field of electronic design are greatly being triggered by the fact that communication devices in general and wireless communication devices in particular are required to be miniaturized in order to increase mobility and flexibility. This thesis work revolves around the study and simulation based design of an efficient Six Port Correlator circuit to support miniaturization for handheld devices in the European Ultrawideband (UWB) range of 6-9 GHz. Firstly, design of a six-port correlator circuitry is carried out by performing simulations in Advanced Design System (ADS) for two metal layers design, while achieving the desired phase and amplitude imbalance in the 6-9 GHz range. After this design is mapped on to  Printed Circuit Board (PCB) in order to compare the simulated and measured results. In the second part single metal layer design is converted on to multiple layers with symmetric stack by using microvia technology in order to achieve the required bandwidth i.e. cover the 6-9 GHz frequency band. The simulations for the multiple layers are also done in ADS.