Integration of tunable capacitors and bonded-wires for contactless RF switch and tunable filter

Shih Jui Chen, Chuang Yuan Lee, Eun Sok Kim

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

This paper describes a contactless RF MEMS switch, composed of two surface-micromachined tunable capacitors and two bonded-wire inductors, which can achieve a power isolation ratio of 10 dB with a capacitance variation of mere 4:1 over a narrow bandwidth near 2.4 GHz. This novel approach of using inductors eases the deflection requirement for the deformable bridge for the variable capacitor, and allows piezoelectric ZnO film to be used to deflect the capacitor bridge to vary the air gap, thus yielding a contactless RF switch.

Original languageEnglish
Title of host publicationTRANSDUCERS 2009 - 15th International Conference on Solid-State Sensors, Actuators and Microsystems
Pages545-548
Number of pages4
DOIs
StatePublished - 2009
EventTRANSDUCERS 2009 - 15th International Conference on Solid-State Sensors, Actuators and Microsystems - Denver, CO, United States
Duration: 21 Jun 200925 Jun 2009

Publication series

NameTRANSDUCERS 2009 - 15th International Conference on Solid-State Sensors, Actuators and Microsystems

Conference

ConferenceTRANSDUCERS 2009 - 15th International Conference on Solid-State Sensors, Actuators and Microsystems
Country/TerritoryUnited States
CityDenver, CO
Period21/06/0925/06/09

Keywords

  • RF MEMS switch
  • Tunable capacitor
  • Tunable filter
  • Wire-bond inductor

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