JP4634912B2 - 可変共振器 - Google Patents

可変共振器 Download PDF

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Publication number
JP4634912B2
JP4634912B2 JP2005323451A JP2005323451A JP4634912B2 JP 4634912 B2 JP4634912 B2 JP 4634912B2 JP 2005323451 A JP2005323451 A JP 2005323451A JP 2005323451 A JP2005323451 A JP 2005323451A JP 4634912 B2 JP4634912 B2 JP 4634912B2
Authority
JP
Japan
Prior art keywords
resonator
line
switch element
input
variable
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.)
Expired - Fee Related
Application number
JP2005323451A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007134781A (ja
JP2007134781A5 (enExample
Inventor
邦浩 河合
敦史 福田
浩司 岡崎
祥一 楢橋
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
Priority to JP2005323451A priority Critical patent/JP4634912B2/ja
Priority to US11/555,437 priority patent/US7825754B2/en
Priority to KR1020060108220A priority patent/KR100875393B1/ko
Priority to EP06023210A priority patent/EP1783854B1/en
Priority to DE602006001825T priority patent/DE602006001825D1/de
Priority to CN2006101445031A priority patent/CN1964130B/zh
Publication of JP2007134781A publication Critical patent/JP2007134781A/ja
Publication of JP2007134781A5 publication Critical patent/JP2007134781A5/ja
Application granted granted Critical
Publication of JP4634912B2 publication Critical patent/JP4634912B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • 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
    • H01P1/2013—Coplanar line 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
    • 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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
JP2005323451A 2005-11-08 2005-11-08 可変共振器 Expired - Fee Related JP4634912B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2005323451A JP4634912B2 (ja) 2005-11-08 2005-11-08 可変共振器
US11/555,437 US7825754B2 (en) 2005-11-08 2006-11-01 Variable resonator
KR1020060108220A KR100875393B1 (ko) 2005-11-08 2006-11-03 가변 공진기
DE602006001825T DE602006001825D1 (de) 2005-11-08 2006-11-08 Veränderbarer Resonator
EP06023210A EP1783854B1 (en) 2005-11-08 2006-11-08 Variable resonator
CN2006101445031A CN1964130B (zh) 2005-11-08 2006-11-08 可变谐振器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005323451A JP4634912B2 (ja) 2005-11-08 2005-11-08 可変共振器

Publications (3)

Publication Number Publication Date
JP2007134781A JP2007134781A (ja) 2007-05-31
JP2007134781A5 JP2007134781A5 (enExample) 2008-11-27
JP4634912B2 true JP4634912B2 (ja) 2011-02-16

Family

ID=37762497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005323451A Expired - Fee Related JP4634912B2 (ja) 2005-11-08 2005-11-08 可変共振器

Country Status (6)

Country Link
US (1) US7825754B2 (enExample)
EP (1) EP1783854B1 (enExample)
JP (1) JP4634912B2 (enExample)
KR (1) KR100875393B1 (enExample)
CN (1) CN1964130B (enExample)
DE (1) DE602006001825D1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7589604B2 (en) * 2006-12-01 2009-09-15 Broadcom Corporation Selectable notch filter
KR101408735B1 (ko) * 2007-11-01 2014-06-19 삼성전자주식회사 튜너블 공진기 및 튜너블 필터
US7944330B2 (en) * 2008-03-06 2011-05-17 Funai Electric Co., Ltd. Resonant element and high frequency filter, and wireless communication apparatus equipped with the resonant element or the high frequency filter
US20100090784A1 (en) * 2008-10-10 2010-04-15 Jeffrey Brian Barner Programmable Tunable Filter Waveguide
JP5294013B2 (ja) * 2008-12-25 2013-09-18 富士通株式会社 フィルタ、通信モジュール、および通信装置
US8106728B2 (en) * 2009-04-15 2012-01-31 International Business Machines Corporation Circuit structure and design structure for an optionally switchable on-chip slow wave transmission line band-stop filter and a method of manufacture
JP5428771B2 (ja) * 2009-11-06 2014-02-26 富士通株式会社 可変分布定数線路、可変フィルタ、および通信モジュール
US8704618B2 (en) * 2011-01-03 2014-04-22 Valentine Research, Inc. Microwave filter
US20130328645A1 (en) * 2012-06-08 2013-12-12 International Business Machines Corporation Plating Stub Resonance Shift with Filter Stub Design Methodology
US9464994B2 (en) 2013-07-30 2016-10-11 Clemson University High sensitivity tunable radio frequency sensors
US9160046B2 (en) 2013-12-19 2015-10-13 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Reduced EMI with quarter wavelength transmission line stubs
US20170245361A1 (en) * 2016-01-06 2017-08-24 Nokomis, Inc. Electronic device and methods to customize electronic device electromagnetic emissions
US9979063B2 (en) 2016-02-12 2018-05-22 Huawei Technologies Cananda Co., Ltd. Rod-switched tunable filter
JP7394584B2 (ja) * 2019-10-29 2023-12-08 三菱電機株式会社 振幅イコライザ

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01200726A (ja) * 1988-02-04 1989-08-11 Matsushita Electric Ind Co Ltd アンテナ共用器
FI97923C (fi) 1995-03-22 1997-03-10 Lk Products Oy Portaittain säädettävä suodatin
JP3050090B2 (ja) * 1995-06-20 2000-06-05 株式会社村田製作所 誘電体フィルタ
US5808527A (en) 1996-12-21 1998-09-15 Hughes Electronics Corporation Tunable microwave network using microelectromechanical switches
US6043727A (en) * 1998-05-15 2000-03-28 Hughes Electronics Corporation Reconfigurable millimeterwave filter using stubs and stub extensions selectively coupled using voltage actuated micro-electro-mechanical switches
JP3175763B2 (ja) * 1998-10-06 2001-06-11 日本電気株式会社 マイクロ波発振器
JP2000101380A (ja) * 1998-09-25 2000-04-07 Murata Mfg Co Ltd 共振回路、フィルタ、送受共用器および通信装置
EP1035648A3 (en) * 1999-03-10 2000-12-27 Matsushita Electric Industrial Co., Ltd. A band switching filter using a surface acoustic wave resonator and an antenna duplexer using the same
US6552626B2 (en) * 2000-01-12 2003-04-22 Raytheon Company High power pin diode switch
US6452465B1 (en) * 2000-06-27 2002-09-17 M-Squared Filters, Llc High quality-factor tunable resonator
JP2002335109A (ja) * 2001-05-09 2002-11-22 Tdk Corp 共振器
JP2003023304A (ja) * 2001-07-06 2003-01-24 Clarion Co Ltd マイクロ波フィルタ
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
US7292124B2 (en) * 2004-02-03 2007-11-06 Ntt Docomo, Inc. Variable resonator and variable phase shifter
JP4638711B2 (ja) * 2004-10-27 2011-02-23 株式会社エヌ・ティ・ティ・ドコモ 共振器
US7382213B2 (en) * 2005-01-28 2008-06-03 Northrop Grumman Corporation Monolithically integrated switchable circuits with MEMS
JP4585337B2 (ja) * 2005-03-14 2010-11-24 株式会社エヌ・ティ・ティ・ドコモ バイアス回路

Also Published As

Publication number Publication date
KR20070049563A (ko) 2007-05-11
US7825754B2 (en) 2010-11-02
KR100875393B1 (ko) 2008-12-23
CN1964130A (zh) 2007-05-16
US20070103261A1 (en) 2007-05-10
EP1783854A1 (en) 2007-05-09
DE602006001825D1 (de) 2008-08-28
JP2007134781A (ja) 2007-05-31
EP1783854B1 (en) 2008-07-16
CN1964130B (zh) 2013-11-13

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