IL161064A0 - Electrically tunable bandpass filters - Google Patents

Electrically tunable bandpass filters

Info

Publication number
IL161064A0
IL161064A0 IL16106402A IL16106402A IL161064A0 IL 161064 A0 IL161064 A0 IL 161064A0 IL 16106402 A IL16106402 A IL 16106402A IL 16106402 A IL16106402 A IL 16106402A IL 161064 A0 IL161064 A0 IL 161064A0
Authority
IL
Israel
Prior art keywords
ferro
resonator
electric
central conductor
bandpass filters
Prior art date
Application number
IL16106402A
Other languages
English (en)
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL161064A0 publication Critical patent/IL161064A0/xx

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Networks Using Active Elements (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
IL16106402A 2001-09-27 2002-09-27 Electrically tunable bandpass filters IL161064A0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32570101P 2001-09-27 2001-09-27
US41300902P 2002-09-23 2002-09-23
PCT/US2002/031118 WO2003028146A1 (en) 2001-09-27 2002-09-27 Electrically tunable bandpass filters

Publications (1)

Publication Number Publication Date
IL161064A0 true IL161064A0 (en) 2004-08-31

Family

ID=26985049

Family Applications (1)

Application Number Title Priority Date Filing Date
IL16106402A IL161064A0 (en) 2001-09-27 2002-09-27 Electrically tunable bandpass filters

Country Status (13)

Country Link
EP (3) EP1433219B1 (xx)
JP (1) JP4071712B2 (xx)
KR (2) KR101250060B1 (xx)
CN (1) CN1592985A (xx)
AT (1) ATE473528T1 (xx)
BR (1) BR0212843A (xx)
CA (1) CA2461886A1 (xx)
DE (1) DE60236947D1 (xx)
IL (1) IL161064A0 (xx)
MX (1) MXPA04002907A (xx)
NO (1) NO20041903L (xx)
RU (1) RU2004112757A (xx)
WO (1) WO2003028146A1 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005091429A1 (en) * 2004-03-19 2005-09-29 Huawei Technologies Co., Ltd. A method for providing ability of tuning resonance frequency for different applications
CN100392910C (zh) * 2005-11-25 2008-06-04 中国科学院物理研究所 一种铁电薄膜可调带通滤波器
US8207907B2 (en) * 2006-02-16 2012-06-26 The Invention Science Fund I Llc Variable metamaterial apparatus
WO2010125806A1 (ja) * 2009-04-28 2010-11-04 日本電気株式会社 導波管フィルタ、通信アクセス装置
US20100295634A1 (en) 2009-05-20 2010-11-25 Tamrat Akale Tunable bandpass filter
US10181632B2 (en) * 2013-12-18 2019-01-15 Skyworks Solutions, Inc. Tunable resonators using high dielectric constant ferrite rods
RU189237U1 (ru) * 2018-02-07 2019-05-16 Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук" Сверхширокополосный полосковый фильтр
CN112864558B (zh) * 2021-02-23 2024-09-17 贵州民族大学 一种基于铁电膜的实时可控波导结构

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US325701A (en) 1885-09-08 sharpneck
US3192397A (en) * 1960-11-30 1965-06-29 Ibm Bistable circuit having an adjustable phase shifter responsive to output signal
DE3201064A1 (de) * 1982-01-15 1983-07-28 Hoechst Ag, 6230 Frankfurt "verfahren zur herstellung von natriumhydrogensulfat"
US5241291A (en) * 1991-07-05 1993-08-31 Motorola, Inc. Transmission line filter having a varactor for tuning a transmission zero
US5475350A (en) * 1992-09-29 1995-12-12 Matsushita Electric Industrial Co., Ltd. Frequency tunable resonator including a varactor
CA2150690A1 (en) * 1992-12-01 1994-06-09 Robert M. Yandrofski Tuneable microwave devices incorporating high temperature superconducting and ferroelectric films
WO1994028592A1 (en) * 1993-05-27 1994-12-08 E.I. Du Pont De Nemours And Company High tc superconductor/ferroelectric tunable microwave circuits
FR2714217B1 (fr) * 1993-12-17 1996-01-26 Thomson Csf Filtre hyperfréquence à résonateurs couplés accordés par des capacités variables, à structure triplaque et à agilité de fréquence.
US5496795A (en) * 1994-08-16 1996-03-05 Das; Satyendranath High TC superconducting monolithic ferroelectric junable b and pass filter
US5496796A (en) * 1994-09-20 1996-03-05 Das; Satyendranath High Tc superconducting band reject ferroelectric filter (TFF)
US5617104A (en) 1995-03-28 1997-04-01 Das; Satyendranath High Tc superconducting tunable ferroelectric transmitting system
JPH10209714A (ja) * 1996-11-19 1998-08-07 Sharp Corp 電圧制御通過帯域可変フィルタおよびそれを用いる高周波回路モジュール
US5908811A (en) * 1997-03-03 1999-06-01 Das; Satyendranath High Tc superconducting ferroelectric tunable filters

Also Published As

Publication number Publication date
EP2164129A1 (en) 2010-03-17
JP4071712B2 (ja) 2008-04-02
KR20090074274A (ko) 2009-07-06
MXPA04002907A (es) 2004-07-05
NO20041903L (no) 2004-06-15
EP1433219A1 (en) 2004-06-30
KR20040037175A (ko) 2004-05-04
WO2003028146A1 (en) 2003-04-03
CN1592985A (zh) 2005-03-09
RU2004112757A (ru) 2005-03-27
EP1433219B1 (en) 2010-07-07
EP2309586A1 (en) 2011-04-13
KR101250060B1 (ko) 2013-04-03
BR0212843A (pt) 2005-06-28
JP2006503445A (ja) 2006-01-26
EP2309586B1 (en) 2014-01-01
CA2461886A1 (en) 2003-04-03
ATE473528T1 (de) 2010-07-15
EP2164129B1 (en) 2013-07-17
DE60236947D1 (de) 2010-08-19
KR101036117B1 (ko) 2011-05-23

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