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Encyclopedia of Nanotechnology pp 1–12Cite as

Tunable RF MEMS Filters: A Review

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Synonyms

Band pass filters; Bandpass tunable filter; LC filters; RF filters; RF MEMS reconfigurable filter; Tunable filter

Definition

Tunable RF MEMS filters are defined as microelectromechanical filters for radio frequency (RF) applications that (a) are capable of tuning or reconfiguring and (b) may use microelectromechanical systems (MEMS) switches or capacitors for realizing the tuning, e.g., the frequency or bandwidth.

Introduction

The need for tunable or reconfigurable filters is becoming more apparent as the radio technologies advance and the radio spectrum becomes more crowded. Bandpass filters, specifically, can improve the radio performance by improving the signal to noise ratio, avoiding any saturation due to out-of-band noise contributions [1]. Low-loss tunable filters can replace several surface acoustic wave (SAW) filters currently used in the radios operating in the ultra high frequency (UHF) band, defined as frequencies between 300 MHz and 3 GHz by the International...

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Author information

Authors and Affiliations

  1. Department of Electrical Engineering and Computer Science, University of Michigan, 1301 Beal Ave., Ann Arbor, MI, 48109, USA

    Feng Lin & Mina Rais-Zadeh

Authors
  1. Feng Lin
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  2. Mina Rais-Zadeh
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Corresponding author

Correspondence to Feng Lin .

Editor information

Editors and Affiliations

  1. Biomimetics (NLB²), Ohio State University Nanoprobe Lab. for Bio- & Nanotechnology, Columbus, Ohio, USA

    Bharat Bhushan

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Lin, F., Rais-Zadeh, M. (2015). Tunable RF MEMS Filters: A Review. In: Bhushan, B. (eds) Encyclopedia of Nanotechnology. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6178-0_100959-1

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  • DOI: https://doi.org/10.1007/978-94-007-6178-0_100959-1

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  • Online ISBN: 978-94-007-6178-0

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