A Fixed Central Bridge RF MEMS Switch for Multiband Applications

Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

AEROSPACE16_393

تاریخ نمایه سازی: 13 شهریور 1396

Abstract:

Micro Electro Mechanical Systems have been introduced during past three decades. Based on MEMS technology, vast variety of nonelectrical elements like mechanical, chemical, magnetic and optical parts canbe miniaturized to micrometer scales in order to befabricated on small areas. RF MEMS switches are a category of RF MEMS devices which have been developed for communication applications. RFswitches may be used for connecting or disconnectingan RF signal. They may be useful for implementation of modulators, filters and phase shifters, too. In this paper a new RF MEMS switch structure is proposedwhich can be actuated by two electrostatic electrodes. It consists of two unsimilar bridges which are held near to a microstrip passing RF signal. Simulation results show larger band width and lower actuation voltage forproposed structure in comparison with conventional structure and some novel structures which have been introduced recently.

Keywords:

RF MEMS switch - Low voltage actuation - Spring-structure

Authors

Hassan Saffari

Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran

Reza Askari Moghadam

Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran

Mohammad Tahmasebipour

Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran

Javad Koohsorkhi

Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran