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SEMINAR TOPICS CATEGORY


MEMS Switches

Added on: March 4th, 2012 by Afsal Meerankutty No Comments

Compound solid state switches such as GaAs MESFETs and PIN diodes are widely used in microwave and millimeter wave integrated circuits (MMICs) for telecommunications applications including signal routing, impedance matching networks, and adjustable gain amplifiers. However, these solid-state switches have a large insertion loss (typically 1 dB) in the on state and poor electrical isolation in the off state. The recent developments of micro-electro-mechanical systems (MEMS) have been continuously providing new and improved paradigms in the field of microwave applications. Different configured micro machined miniature switches have been reported. Among these switches, capacitive membrane microwave switching devices present lower insertion loss, higher isolation, better nonlinearity and zero static power consumption. In this presentation, we describe the design, fabrication and performance of a surface micro machined capacitive microwave switch on glass substrate using electroplating techniques.

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References for MEMS Switches

http://en.wikipedia.org/wiki/RF_MEMS
Topic Category - Electrical Topics

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