DE602008000095D1 - Variabler Resonator, einstellbares Filter und elektronische Schaltungsvorrichtung - Google Patents

Variabler Resonator, einstellbares Filter und elektronische Schaltungsvorrichtung

Info

Publication number
DE602008000095D1
DE602008000095D1 DE602008000095T DE602008000095T DE602008000095D1 DE 602008000095 D1 DE602008000095 D1 DE 602008000095D1 DE 602008000095 T DE602008000095 T DE 602008000095T DE 602008000095 T DE602008000095 T DE 602008000095T DE 602008000095 D1 DE602008000095 D1 DE 602008000095D1
Authority
DE
Germany
Prior art keywords
electronic circuit
circuit device
adjustable filter
variable resonator
resonator
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.)
Active
Application number
DE602008000095T
Other languages
English (en)
Inventor
Kunihiro Kawai
Hiroshi Okazaki
Shoichi Narahashi
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo 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 NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of DE602008000095D1 publication Critical patent/DE602008000095D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01P1/2039—Galvanic coupling between Input/Output
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • 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
    • H01P7/00—Resonators of the waveguide type
    • H01P7/08—Strip line resonators
    • H01P7/088—Tunable resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DE602008000095T 2007-02-22 2008-02-20 Variabler Resonator, einstellbares Filter und elektronische Schaltungsvorrichtung Active DE602008000095D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007042753A JP4724135B2 (ja) 2007-02-22 2007-02-22 可変共振器、可変フィルタ、電気回路装置

Publications (1)

Publication Number Publication Date
DE602008000095D1 true DE602008000095D1 (de) 2009-10-01

Family

ID=39415005

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008000095T Active DE602008000095D1 (de) 2007-02-22 2008-02-20 Variabler Resonator, einstellbares Filter und elektronische Schaltungsvorrichtung

Country Status (6)

Country Link
US (2) US8106727B2 (de)
EP (1) EP1962367B1 (de)
JP (1) JP4724135B2 (de)
KR (1) KR100970417B1 (de)
CN (1) CN101252217B (de)
DE (1) DE602008000095D1 (de)

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JP4847937B2 (ja) * 2007-09-10 2011-12-28 株式会社エヌ・ティ・ティ・ドコモ 信号選択装置
JP5053185B2 (ja) * 2008-06-13 2012-10-17 株式会社エヌ・ティ・ティ・ドコモ 可変共振器
US7773033B2 (en) * 2008-09-30 2010-08-10 Raytheon Company Multilayer metamaterial isolator
CN102484306B (zh) * 2009-07-06 2015-04-01 三星电子株式会社 无线电力传输系统及用于该系统的共振器
JP5039115B2 (ja) * 2009-11-17 2012-10-03 株式会社エヌ・ティ・ティ・ドコモ 可変共振器、可変フィルタ
US8988166B2 (en) 2011-10-02 2015-03-24 International Business Machines Corporation Structure and compact modeling of variable transmission lines
EP2747192A1 (de) * 2012-12-20 2014-06-25 Microelectronics Technology Inc. Bandpassfilter mit Schleifenkonfiguration
DE102014102707A1 (de) * 2014-02-28 2015-09-03 Epcos Ag Abstimmbares elektroakustisches HF-Filter mit verbesserten elektrischen Eigenschaften und Verfahren zum Betrieb eines solchen Filters
US9571065B2 (en) 2014-11-12 2017-02-14 Elwha Llc Surface acoustic wave device having end-to-end combinable selectable electrode sub-elements
US9800226B2 (en) 2014-11-12 2017-10-24 Elwha Llc Surface acoustic wave device having combinable selectable electrode sub-elements
US9692389B2 (en) 2014-11-12 2017-06-27 Elwha Llc Surface acoustic wave device having matrices of combinable selectable electrode sub-elements
US9602077B2 (en) 2014-11-12 2017-03-21 Elwha Llc Surface acoustic wave device having selectable electrode elements
MY192162A (en) 2015-11-23 2022-08-03 Anlotek Ltd Variable filter
EP3635865A1 (de) 2017-05-24 2020-04-15 Anlotek Limited Vorrichtung und verfahren zur steuerung eines resonators
US11277110B2 (en) 2019-09-03 2022-03-15 Anlotek Limited Fast frequency switching in a resonant high-Q analog filter
EP4070171A1 (de) 2019-12-05 2022-10-12 Anlotek Limited Verwendung von stabilen abstimmbaren analogen filtern mit aktiver rückkopplung in der frequenzsynthese
SE543480C2 (en) * 2019-12-13 2021-03-02 Andrey Danilov Tunable microwave resonator
EP3926828A1 (de) 2020-06-15 2021-12-22 Anlotek Limited Abstimmbares bandpassfilter mit hoher stabilität und orthogonaler abstimmung
US11955942B2 (en) 2021-02-27 2024-04-09 Anlotek Limited Active multi-pole filter
CN114497937B (zh) * 2022-01-04 2023-08-18 中信科移动通信技术股份有限公司 双频微带滤波器

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Publication number Priority date Publication date Assignee Title
US4749963A (en) 1985-12-11 1988-06-07 Matsushita Electric Industrial Co., Ltd. Oscillator having stripline loop resonator
JPH03283909A (ja) 1990-03-30 1991-12-13 Kinseki Ltd 帯域フイルタ
US5400002A (en) * 1992-06-12 1995-03-21 Matsushita Electric Industrial Co., Ltd. Strip dual mode filter in which a resonance width of a microwave is adjusted and dual mode multistage filter in which the strip dual mode filters are arranged in series
JPH063750A (ja) * 1992-06-22 1994-01-14 Ricoh Co Ltd 画像読取装置
JPH08204446A (ja) * 1995-01-24 1996-08-09 Matsushita Electric Ind Co Ltd 発振器及びそれを用いた周波数シンセサイザ
JPH0856104A (ja) * 1994-08-11 1996-02-27 Matsushita Electric Ind Co Ltd 共振器
JPH0897602A (ja) * 1994-09-22 1996-04-12 Fujitsu Ltd 移相器
JP2001102806A (ja) * 1999-09-30 2001-04-13 Ikuo Awai デュアルモードフィルタ及びその設計方法
JP2001230602A (ja) 2000-02-16 2001-08-24 Matsushita Electric Ind Co Ltd 可変フィルタ
JP2002335109A (ja) * 2001-05-09 2002-11-22 Tdk Corp 共振器
US6778023B2 (en) 2001-07-31 2004-08-17 Nokia Corporation Tunable filter and method of tuning a filter
JP3830029B2 (ja) 2001-09-28 2006-10-04 日本電波工業株式会社 平面回路
JP3854212B2 (ja) 2002-03-29 2006-12-06 株式会社東芝 高周波フィルタ
JP3739351B2 (ja) * 2002-11-14 2006-01-25 沖電気工業株式会社 キャパシタンス調整回路
US7443271B2 (en) * 2003-05-22 2008-10-28 The Circle For The Promotion Of Science And Engineering Ring filter wideband band pass filter using therewith
JP4189971B2 (ja) 2004-01-28 2008-12-03 日本電波工業株式会社 周波数可変型高周波フィルタ
JP4053504B2 (ja) 2004-01-30 2008-02-27 株式会社東芝 チューナブルフィルタ
US7292124B2 (en) 2004-02-03 2007-11-06 Ntt Docomo, Inc. Variable resonator and variable phase shifter
JP3841305B2 (ja) * 2004-02-03 2006-11-01 株式会社エヌ・ティ・ティ・ドコモ 可変共振器及び可変移相器
JP4155576B2 (ja) * 2004-04-01 2008-09-24 国立大学法人東京工業大学 リングフィルタ及びそれを用いた広帯域の帯域通過フィルタ
JP4638711B2 (ja) * 2004-10-27 2011-02-23 株式会社エヌ・ティ・ティ・ドコモ 共振器
JP3924309B2 (ja) 2006-06-19 2007-06-06 富士通テン株式会社 記録媒体再生装置
US7474456B2 (en) * 2007-01-30 2009-01-06 Hewlett-Packard Development Company, L.P. Controllable composite material

Also Published As

Publication number Publication date
CN101252217A (zh) 2008-08-27
US20120098616A1 (en) 2012-04-26
EP1962367B1 (de) 2009-08-19
CN101252217B (zh) 2012-12-12
JP2008206078A (ja) 2008-09-04
US20080204168A1 (en) 2008-08-28
EP1962367A1 (de) 2008-08-27
JP4724135B2 (ja) 2011-07-13
KR100970417B1 (ko) 2010-07-15
KR20080078566A (ko) 2008-08-27
US8106727B2 (en) 2012-01-31
US8330562B2 (en) 2012-12-11

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