Switchable wide tuning range bandstop filters for frequency-agile radios

Author

Wu, Zhengzheng ; Shim, Yonghyun ; Rais-Zadeh, Mina

Author_Institution

Dept. of Electr. Eng. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI, USA

fYear

2011

fDate

5-7 Dec. 2011

Abstract

This paper reports on micromachined tunable bandstop filters that exhibit an octave frequency tuning range with high stopband rejection and low out-of-band loss. In addition to continuous frequency tuning, stopband switch on-off capability is realized by employing ohmic switches along with tunable capacitors. The fully re-configurable filters in this work are fabricated using a silicon-based integrated passive device technology and are the smallest-size bandstop filters reported in the low SHF range.

Keywords

band-stop filters; capacitors; elemental semiconductors; frequency agility; micromachining; silicon; switches; Si; frequency-agile radio; fully reconfigurable filter; integrated passive device technology; low out-of-band loss; micromachined tunable bandstop filter; octave frequency tuning range; ohmic switch; stopband rejection; stopband switch on-off capability; switchable wide tuning range bandstop filter; tunable capacitor; Band pass filters; Insertion loss; Micromechanical devices; Radio frequency; Resonator filters; Switches; Tuning;

fLanguage

English

Publisher

ieee

Conference_Titel

Electron Devices Meeting (IEDM), 2011 IEEE International

Conference_Location

Washington, DC

ISSN

0163-1918

Print_ISBN

978-1-4577-0506-9

Electronic_ISBN

0163-1918

Type

conf

DOI

10.1109/IEDM.2011.6131592

Filename

6131592