NDLI: An improved wide-band model of CRF Filters using two different approaches

Content Provider	IEEE Xplore Digital Library
Author	Sahyoun, W. Benech, P. Duchamp, J.
Copyright Year	2010
Description	Author affiliation: IMEP-LAHC laboratory, 3 Parvis Louis-Néel, 38016 Grenoble, France (Sahyoun, W.; Benech, P.; Duchamp, J.)
Abstract	In this paper, we present an acoustic band pass filter “CRF” (Coupled Resonator Filter); a combination of three BAW resonators for WCDMA applications. These filters are used in mobile telephony and provide high quality factors and miniaturization. We first, introduce the structure of CRF and its functioning, and then we describe their electro-acoustical model in wide-band. Filter characterizations show coupling effects in the filter out band response, thus to explain this behavior two different hypotheses are made. The first one discusses the transverse effect in the top piezoelectric layer of the CRF and the second one considers the RF pads effect. Simulations are done with ADS (Advanced Design System) from Agilent. Finally, simulations are compared to measurements for both propositions to find the principal cause of the coupling effect.
Starting Page	1063
Ending Page	1066
File Size	688060
Page Count	4
File Format	PDF
ISBN	9781424475902
e-ISBN	9784902339215
e-ISBN	9781902339222
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-07
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	IEICE Institute of Electronics Informati
Subject Keyword	Resonator filters Radio frequency Microwave filters Couplings Band pass filters Integrated circuit modeling Acoustics embedded model CRF electro-acoustical model 2D model ADS wide-band characterization RF pads
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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