AU1843400A - Electrically tunable filters with dielectric varactors - Google Patents

Electrically tunable filters with dielectric varactors

Info

Publication number
AU1843400A
AU1843400A AU18434/00A AU1843400A AU1843400A AU 1843400 A AU1843400 A AU 1843400A AU 18434/00 A AU18434/00 A AU 18434/00A AU 1843400 A AU1843400 A AU 1843400A AU 1843400 A AU1843400 A AU 1843400A
Authority
AU
Australia
Prior art keywords
connection point
pass
tunable filters
electrically tunable
voltage tunable
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
AU18434/00A
Other languages
English (en)
Inventor
Luna H. Chiu
Louise C Sengupta
Somnath Sengupta
Steven C. Stowell
Xubai Zhang
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
Application filed by Paratek Microwave Inc filed Critical Paratek Microwave Inc
Publication of AU1843400A publication Critical patent/AU1843400A/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
    • 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
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Filters And Equalizers (AREA)
AU18434/00A 1998-12-11 1999-12-09 Electrically tunable filters with dielectric varactors Abandoned AU1843400A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11188898P 1998-12-11 1998-12-11
US60111888 1998-12-11
PCT/US1999/029230 WO2000035042A1 (en) 1998-12-11 1999-12-09 Electrically tunable filters with dielectric varactors

Publications (1)

Publication Number Publication Date
AU1843400A true AU1843400A (en) 2000-06-26

Family

ID=22340979

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18434/00A Abandoned AU1843400A (en) 1998-12-11 1999-12-09 Electrically tunable filters with dielectric varactors

Country Status (11)

Country Link
US (2) US20020186099A1 (enExample)
EP (1) EP1145362B1 (enExample)
JP (1) JP2002532889A (enExample)
KR (1) KR20010080727A (enExample)
CN (1) CN1329762A (enExample)
AT (1) ATE265093T1 (enExample)
AU (1) AU1843400A (enExample)
CA (1) CA2352166A1 (enExample)
DE (1) DE69916660T2 (enExample)
EA (1) EA200100654A1 (enExample)
WO (1) WO2000035042A1 (enExample)

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US7164329B2 (en) 2001-04-11 2007-01-16 Kyocera Wireless Corp. Tunable phase shifer with a control signal generator responsive to DC offset in a mixed signal
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US7236068B2 (en) * 2002-01-17 2007-06-26 Paratek Microwave, Inc. Electronically tunable combine filter with asymmetric response
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US7180467B2 (en) 2002-02-12 2007-02-20 Kyocera Wireless Corp. System and method for dual-band antenna matching
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
CN100433542C (zh) * 2002-06-05 2008-11-12 Rf信息公司 用于处理电视信号的电路、接收机及方法
US20040224649A1 (en) * 2003-02-05 2004-11-11 Khosro Shamsaifar Electronically tunable power amplifier tuner
JP3995619B2 (ja) 2003-03-12 2007-10-24 富士通株式会社 薄膜キャパシタ素子、その製造方法及び電子装置
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US7719392B2 (en) * 2003-10-20 2010-05-18 University Of Dayton Ferroelectric varactors suitable for capacitive shunt switching
EP1678780A1 (en) * 2003-10-20 2006-07-12 University Of Dayton Ferroelectric varactors suitable for capacitive shunt switching
US7248845B2 (en) 2004-07-09 2007-07-24 Kyocera Wireless Corp. Variable-loss transmitter and method of operation
US20060033593A1 (en) * 2004-08-13 2006-02-16 Qinghua Kang Method and apparatus with improved varactor quality factor
US20090132428A1 (en) * 2004-11-15 2009-05-21 Stephen Jeffrey Wolf Method for creating and marketing a modifiable debt product
JP4566012B2 (ja) * 2005-01-13 2010-10-20 京セラ株式会社 可変容量コンデンサ，回路モジュールおよび通信装置
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US7548762B2 (en) 2005-11-30 2009-06-16 Kyocera Corporation Method for tuning a GPS antenna matching network
US7907033B2 (en) * 2006-03-08 2011-03-15 Wispry, Inc. Tunable impedance matching networks and tunable diplexer matching systems
WO2008019488A1 (en) * 2006-08-17 2008-02-21 Sige Semiconductor (Europe) Limited Switchable mode filter for overlaid signal extraction in noise
JP2008091777A (ja) * 2006-10-04 2008-04-17 Sumitomo Electric Ind Ltd 光トランシーバ
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US7924114B2 (en) * 2007-06-27 2011-04-12 Superconductor Technologies, Inc. Electrical filters with improved intermodulation distortion
US20100096678A1 (en) * 2008-10-20 2010-04-22 University Of Dayton Nanostructured barium strontium titanate (bst) thin-film varactors on sapphire
US9684521B2 (en) 2010-01-26 2017-06-20 Apple Inc. Systems having discrete and continuous gesture recognizers
JP4845988B2 (ja) * 2009-03-30 2011-12-28 株式会社豊田中央研究所 アンテナ装置
ES2467341T3 (es) * 2009-05-20 2014-06-12 Unitron Filtro de distribución de señal de TV con inductores planos
US8436698B2 (en) * 2009-11-02 2013-05-07 Harris Corporation MEMS-based tunable filter
US8373522B2 (en) * 2010-02-03 2013-02-12 Harris Corporation High accuracy MEMS-based varactors
US9166564B2 (en) * 2010-02-04 2015-10-20 Hittite Microwave Corporation Wideband analog bandpass filter
JP2012100180A (ja) * 2010-11-05 2012-05-24 Hitachi Media Electoronics Co Ltd チューナブルフィルタ、チューナブルデュプレクサ、及び、それらを用いた移動通信端末
JP2012142805A (ja) * 2010-12-29 2012-07-26 Kyoto Institute Of Technology チューナブルフィルタ、無線装置、受信機および送信機
US9000866B2 (en) 2012-06-26 2015-04-07 University Of Dayton Varactor shunt switches with parallel capacitor architecture
EP2690795B1 (en) 2012-07-25 2017-09-06 BlackBerry Limited Transceiver filter and tuning
US8743746B2 (en) 2012-07-25 2014-06-03 Blackberry Limited Transceiver filter and tuning
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
US9559659B2 (en) * 2013-03-15 2017-01-31 Wispry, Inc. Tunable filter systems, devices, and methods
WO2014174785A1 (ja) * 2013-04-22 2014-10-30 パナソニックＩｐマネジメント株式会社 無線電力伝送装置
EP3028382B1 (en) 2013-07-29 2019-06-12 Wispry, Inc. Adaptive filter response systems and methods
US9136822B2 (en) 2013-08-19 2015-09-15 Harris Corporation Microelectromechanical system with a micro-scale spring suspension system and methods for making the same
US9093975B2 (en) 2013-08-19 2015-07-28 Harris Corporation Microelectromechanical systems comprising differential inductors and methods for making the same
US9172352B2 (en) 2013-08-19 2015-10-27 Harris Corporation Integrated microelectromechanical system devices and methods for making the same
US9786973B2 (en) * 2014-03-18 2017-10-10 Tdk Corporation Tunable filter using variable impedance transmission lines
US9123493B2 (en) 2014-01-23 2015-09-01 Harris Corporation Microelectromechanical switches for steering of RF signals
DE102014102701B3 (de) * 2014-02-28 2015-08-27 Epcos Ag Frontendschaltung mit einem abstimmbaren Filter
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US9654983B2 (en) 2014-04-03 2017-05-16 North Carolina State University Tunable filter employing feedforward cancellation
US9800278B2 (en) 2015-09-04 2017-10-24 North Carolina State University Tunable filters, cancellers, and duplexers based on passive mixers
US10431388B2 (en) 2015-12-08 2019-10-01 Avx Corporation Voltage tunable multilayer capacitor
JP6945553B2 (ja) 2016-05-03 2021-10-06 ディー−ウェイブ システムズ インコーポレイテッド 超伝導回路及びスケーラブルな計算において使用される超伝導デバイスのためのシステム及び方法
GB201614241D0 (en) * 2016-08-19 2016-10-05 Novelda As Filter
US10044087B2 (en) 2016-10-14 2018-08-07 Microelectronics Technology, Inc. Switchable radiators and operating method for the same
US10840027B2 (en) 2017-09-08 2020-11-17 Avx Corporation High voltage tunable multilayer capacitor
CN111433870B (zh) 2017-10-02 2023-03-21 京瓷Avx元器件公司 高电容可调多层电容器和阵列
US11105866B2 (en) 2018-06-05 2021-08-31 D-Wave Systems Inc. Dynamical isolation of a cryogenic processor
US11295899B2 (en) 2018-12-26 2022-04-05 KYOCERA AVX Components Corporation System and method for controlling a voltage tunable multilayer capacitor
US11839164B2 (en) 2019-08-19 2023-12-05 D-Wave Systems Inc. Systems and methods for addressing devices in a superconducting circuit
US12373167B2 (en) * 2020-01-27 2025-07-29 1372934 B.C. Ltd. Systems and methods for variable bandwidth annealing
US12388452B2 (en) 2021-11-03 2025-08-12 1372934 B.C. Ltd. Systems and methods for duty cycle compensation of a digital to analog converter (DAC)

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US5472935A (en) * 1992-12-01 1995-12-05 Yandrofski; Robert M. Tuneable microwave devices incorporating high temperature superconducting and ferroelectric films
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US5496796A (en) * 1994-09-20 1996-03-05 Das; Satyendranath High Tc superconducting band reject ferroelectric filter (TFF)
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US5640042A (en) * 1995-12-14 1997-06-17 The United States Of America As Represented By The Secretary Of The Army Thin film ferroelectric varactor
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Also Published As

Publication number Publication date
US20020186099A1 (en) 2002-12-12
DE69916660D1 (de) 2004-05-27
JP2002532889A (ja) 2002-10-02
US7145415B2 (en) 2006-12-05
US20050088255A1 (en) 2005-04-28
WO2000035042A1 (en) 2000-06-15
EP1145362A1 (en) 2001-10-17
EP1145362B1 (en) 2004-04-21
DE69916660T2 (de) 2005-04-21
KR20010080727A (ko) 2001-08-22
CA2352166A1 (en) 2000-06-15
ATE265093T1 (de) 2004-05-15
CN1329762A (zh) 2002-01-02
EA200100654A1 (ru) 2001-12-24

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase