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This paper presents the design and optimisation of high quality (Q) factor inductors using Micro/Nano Electro-Mechanical Systems (NEMS/MEMS) technology for 10 GHz to 20 GHz frequency band. Three inductors have been designed with rectangular, circular and symmetric topologies. Comparison has been made amongst the three to determine the best Q-factor. Inductors are designed on Silicon-on-Sapphire (SOS)...
This paper presents the design and optimisation of a very high quality (Q) factor inductor using MEMS technology for 10 GHz to 20 GHz frequency band. The effects of various parameters of a symmetric inductor structure on the Q-factor and inductance are thoroughly analysed. The inductor has been designed on silicon-on-sapphire (SOS) substrate because it offers superior characteristics of low substrate...
This paper presents the design and implementation of a fully on-chip wideband LNA using 0.25-micron silicon-on-sapphire (SOS) technology for the next-generation radio telescope application, the square kilometre array (SKA), which demands ultra low noise and wideband operation. The proposed LNA design employs a cascaded inductive degeneration architecture with intermediate LC architecture, resulting...
This paper presents the design of a voltage controlled oscillator (VCO) for multi-standard wireless receiver covering global standards for mobile (GSM), digital communication systems (DCS), personal communication systems (PCS), and universal mobile telecommunication system (UMTS) standards. An effective frequency planning scheme that requires the VCO to tune from 3.2 GHz to 4.1 GHz and generate multiple...
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