RF-MEMS Components and Networks for High-Performance Reconfigurable Telecommunication and Wireless Systems

Abstract:

MEMS (MicroElectroMechanical-Systems) technology applied to the field of Radio Frequency systems (i.e. RF-MEMS) has emerged in the last 10-15 years as a valuable and viable solution to manufacture low-cost and very high-performance passive components, like variable capacitors, inductors and micro-relays, as well as complex networks, like tunable filters, reconfigurable impedance matching networks and phase shifters, and so on. The availability of such components and their integration within RF systems (e.g. radio transceivers, radars, satellites, etc.) enables boosting the characteristics and performance of telecommunication systems, addressing for instance a significant increase of their reconfigurability. The benefits resulting from the employment of RF-MEMS technology are paramount, being some of them the reduction of hardware redundancy and power consumption, along with the operability of the same RF system according to multiple standards. After framing more in detail the whole context of RF MEMS technology, this paper will provide a brief introduction on a typical RF-MEMS technology platform. Subsequently, some relevant examples of lumped RF MEMS passive elements and complex reconfigurable networks will be reported along with their measured RF performance and characteristics.

• Periodical: Advances in Science and Technology (Volume 81)
• Pages: 65-74
• DOI: https://doi.org/10.4028/www.scientific.net/AST.81.65
• Online since: September 2012
• Authors: Jacopo Iannacci, Giuseppe Resta, Paola Farinelli, Roberto Sorrentino
• Keywords: Complex Network, High Performance, Inductors, Lumped Elements, Micro Switches, Reconfigurable RF Passives, RF MEMS, Varactors, Wireless Systems

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