AU2002236456A1 - Electronic tunable filters with dielectric varactors - Google Patents

Electronic tunable filters with dielectric varactors

Info

Publication number
AU2002236456A1
AU2002236456A1 AU2002236456A AU3645602A AU2002236456A1 AU 2002236456 A1 AU2002236456 A1 AU 2002236456A1 AU 2002236456 A AU2002236456 A AU 2002236456A AU 3645602 A AU3645602 A AU 3645602A AU 2002236456 A1 AU2002236456 A1 AU 2002236456A1
Authority
AU
Australia
Prior art keywords
tunable filters
dielectric varactors
electronic tunable
electronic
varactors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2002236456A
Inventor
Louise C Sengupta
Yongfei Zhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BlackBerry RF Inc
Original Assignee
Paratek Microwave Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24953793&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU2002236456(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Paratek Microwave Inc filed Critical Paratek Microwave Inc
Publication of AU2002236456A1 publication Critical patent/AU2002236456A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20336—Comb or interdigital filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20354—Non-comb or non-interdigital filters
    • H01P1/20381—Special shape resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block
AU2002236456A 2000-12-12 2001-11-21 Electronic tunable filters with dielectric varactors Abandoned AU2002236456A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09734969 2000-12-12
US09/734,969 US6686817B2 (en) 2000-12-12 2000-12-12 Electronic tunable filters with dielectric varactors
PCT/US2001/043571 WO2002049142A1 (en) 2000-12-12 2001-11-21 Electronic tunable filters with dielectric varactors

Publications (1)

Publication Number Publication Date
AU2002236456A1 true AU2002236456A1 (en) 2002-06-24

Family

ID=24953793

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002236456A Abandoned AU2002236456A1 (en) 2000-12-12 2001-11-21 Electronic tunable filters with dielectric varactors

Country Status (4)

Country Link
US (2) US6686817B2 (en)
EP (1) EP1344273A1 (en)
AU (1) AU2002236456A1 (en)
WO (1) WO2002049142A1 (en)

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US6617062B2 (en) * 2001-04-13 2003-09-09 Paratek Microwave, Inc. Strain-relieved tunable dielectric thin films
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US7034636B2 (en) 2001-09-20 2006-04-25 Paratek Microwave Incorporated Tunable filters having variable bandwidth and variable delay
EP1438841A2 (en) * 2001-10-16 2004-07-21 Rfstream Corporation Monolithic integrated circuit for a television receiver
US7236068B2 (en) * 2002-01-17 2007-06-26 Paratek Microwave, Inc. Electronically tunable combine filter with asymmetric response
US7176845B2 (en) * 2002-02-12 2007-02-13 Kyocera Wireless Corp. System and method for impedance matching an antenna to sub-bands in a communication band
US7184727B2 (en) * 2002-02-12 2007-02-27 Kyocera Wireless Corp. Full-duplex antenna system and method
US7180467B2 (en) * 2002-02-12 2007-02-20 Kyocera Wireless Corp. System and method for dual-band antenna matching
US7333155B2 (en) * 2002-06-05 2008-02-19 Rfstream Corporation Quadratic video demodulation with baseband nyquist filter
US7187237B1 (en) * 2002-10-08 2007-03-06 Impinj, Inc. Use of analog-valued floating-gate transistors for parallel and serial signal processing
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US20050116797A1 (en) * 2003-02-05 2005-06-02 Khosro Shamsaifar Electronically tunable block filter
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US20040185795A1 (en) * 2003-02-05 2004-09-23 Khosro Shamsaifar Electronically tunable RF Front End Module
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US20060035023A1 (en) * 2003-08-07 2006-02-16 Wontae Chang Method for making a strain-relieved tunable dielectric thin film
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US7352264B2 (en) * 2005-10-24 2008-04-01 M/A-Com, Inc. Electronically tunable dielectric resonator circuits
KR101598446B1 (en) * 2005-11-18 2016-03-02 레저넌트 인크. Low-loss tunable radio frequency filter
US7548762B2 (en) * 2005-11-30 2009-06-16 Kyocera Corporation Method for tuning a GPS antenna matching network
JP4621155B2 (en) * 2006-02-28 2011-01-26 株式会社エヌ・ティ・ティ・ドコモ Variable filter
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US7639101B2 (en) 2006-11-17 2009-12-29 Superconductor Technologies, Inc. Low-loss tunable radio frequency filter
US8467169B2 (en) 2007-03-22 2013-06-18 Research In Motion Rf, Inc. Capacitors adapted for acoustic resonance cancellation
US7936553B2 (en) * 2007-03-22 2011-05-03 Paratek Microwave, Inc. Capacitors adapted for acoustic resonance cancellation
WO2008149622A1 (en) * 2007-05-30 2008-12-11 Kyocera Corporation Capacitor, resonator, filter device, communication device and electric circuit
US7528686B1 (en) 2007-11-21 2009-05-05 Rockwell Collins, Inc. Tunable filter utilizing a conductive grid
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US8134425B2 (en) * 2007-12-13 2012-03-13 Broadcom Corporation Method and system for filters embedded in an integrated circuit package
WO2010040119A1 (en) * 2008-10-03 2010-04-08 Purdue Research Foundation Tunable evanescent-mode cavity filter
US8194387B2 (en) 2009-03-20 2012-06-05 Paratek Microwave, Inc. Electrostrictive resonance suppression for tunable capacitors
US8584192B2 (en) * 2009-03-30 2013-11-12 Ppc Broadband, Inc. Upstream bandwidth conditioning device
KR101295869B1 (en) * 2009-12-21 2013-08-12 한국전자통신연구원 Line filter formed on a plurality of insulation layers
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US9225051B2 (en) * 2010-09-28 2015-12-29 The Goverment of the United States of America, as represented by the Secretary of the Navy Tuning bandwidth and center frequencies in a bandpass filter
WO2014145662A2 (en) * 2013-03-15 2014-09-18 Wispry, Inc. Tunable filter systems, devices and method
US10320357B2 (en) 2013-03-15 2019-06-11 Wispry, Inc. Electromagnetic tunable filter systems, devices, and methods in a wireless communication network for supporting multiple frequency bands
US9520632B2 (en) * 2013-03-15 2016-12-13 Tiawan Semiconductor Manufacturing Company Limited CMOS band-pass filter
RU2520398C1 (en) * 2013-03-19 2014-06-27 Открытое акционерное общество "Государственный Рязанский приборный завод" Narrow-band shf-filter
EP3028382B1 (en) 2013-07-29 2019-06-12 Wispry, Inc. Adaptive filter response systems and methods
US9647631B2 (en) * 2013-08-15 2017-05-09 Peregrine Semiconductor Corporation Tunable impedance matching network
US9537217B2 (en) * 2013-09-27 2017-01-03 Blackberry Limited Broadband capacitively-loaded tunable antenna
DE102014102521B4 (en) * 2014-02-26 2023-10-19 Snaptrack, Inc. Tunable RF filter circuit
JP6158780B2 (en) * 2014-03-14 2017-07-05 レゾナント インコーポレイテッドＲｅｓｏｎａｎｔ Ｉｎｃ． Low loss variable radio frequency filter
US9473185B2 (en) 2014-04-04 2016-10-18 Marvell World Trade Ltd. Impedance matching for variable impedance antennas
US10312882B2 (en) * 2015-07-22 2019-06-04 Cindy X. Qiu Tunable film bulk acoustic resonators and filters
TWI561953B (en) * 2016-02-04 2016-12-11 Richtek Technology Corp Tunable dc voltage generating circuit
US10333191B2 (en) 2016-09-23 2019-06-25 Cts Corporation Ceramic block RF filter having a first plurality of through-hole resonators and a second plurality of through-holes for blocking RF signal coupling
US11233333B2 (en) * 2017-02-28 2022-01-25 Toyota Motor Europe Tunable waveguide system
US10581132B2 (en) * 2017-05-11 2020-03-03 Eagantu Ltd. Tuneable band pass filter
CN110679033A (en) 2017-05-11 2020-01-10 伊根图有限公司 Compact band-pass filter
TWI656732B (en) * 2017-10-16 2019-04-11 國立臺灣大學 Adjustable filter
KR102424781B1 (en) * 2022-04-18 2022-07-22 한양대학교 산학협력단 Partial discharge sensor

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Also Published As

Publication number Publication date
WO2002049142A1 (en) 2002-06-20
US20040070471A1 (en) 2004-04-15
EP1344273A1 (en) 2003-09-17
US20020093400A1 (en) 2002-07-18
US6686817B2 (en) 2004-02-03
US6903633B2 (en) 2005-06-07

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