NDLI: Millimeter-wave tune-all bandpass filters

Content Provider	IEEE Xplore Digital Library
Author	Mercier, D. Orlianges, J.-C. Delage, T. Champeaux, C. Catherinot, A. Cros, D. Blondy, P.
Copyright Year	1963
Abstract	Distributed microelectromechanical varactors on a coplanar waveguide have been used to design a two- and four-pole bandpass tune-all filters. The two-pole initial bandwidth is 6.4% at 44.05 GHz with a mid-band insertion loss of 3.2 dB and with matching better than 15 dB. The four-pole initial bandwidth is 6.1% at 43.25 GHz with a mid-band insertion loss of 6.5 dB and with matching better than 10 dB. The use of microelectromechanical system bridges allows a continuous tuning for both center frequency and bandwidth. The varactors biasing network has been designed so that the center frequency and bandwidth can be tuned separately. The two-pole filter center frequency can be changed from 44.05 to 41.55 GHz (5.6% tuning range), while the bandwidth can be independently changed from 2.8 to 2.05 GHz. The four-pole filter center frequency can be changed from 43.25 to 40.95 GHz (5.3% tuning range) and the bandwidth can be changed from 2.65 to 1.9 GHz.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	1175
Ending Page	1181
Page Count	7
File Size	497973
File Format	PDF
ISSN	00189480
Volume Number	52
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Band pass filters Bandwidth Frequency Varactors Tuning Micromechanical devices Resonator filters Microwave filters Fabrication Inverters
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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