JP2006222971A - 同調可能無線周波数フィルタ - Google Patents

同調可能無線周波数フィルタ Download PDF

Info

Publication number
JP2006222971A
JP2006222971A JP2006033158A JP2006033158A JP2006222971A JP 2006222971 A JP2006222971 A JP 2006222971A JP 2006033158 A JP2006033158 A JP 2006033158A JP 2006033158 A JP2006033158 A JP 2006033158A JP 2006222971 A JP2006222971 A JP 2006222971A
Authority
JP
Japan
Prior art keywords
node
filter
filter unit
unit cell
coupled
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.)
Pending
Application number
JP2006033158A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006222971A5 (enExample
Inventor
Georg Fischer
フィッシャー ジョージ
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of JP2006222971A publication Critical patent/JP2006222971A/ja
Publication of JP2006222971A5 publication Critical patent/JP2006222971A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/12Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/175Series LC in series path
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775Parallel LC in shunt or branch path
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H7/463Duplexers

Landscapes

  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Transceivers (AREA)
JP2006033158A 2005-02-10 2006-02-10 同調可能無線周波数フィルタ Pending JP2006222971A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/055,137 US7593696B2 (en) 2005-02-10 2005-02-10 Tunable radio frequency filter

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2013092029A Division JP2013168995A (ja) 2005-02-10 2013-04-25 同調可能無線周波数フィルタ

Publications (2)

Publication Number Publication Date
JP2006222971A true JP2006222971A (ja) 2006-08-24
JP2006222971A5 JP2006222971A5 (enExample) 2009-03-26

Family

ID=36096317

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2006033158A Pending JP2006222971A (ja) 2005-02-10 2006-02-10 同調可能無線周波数フィルタ
JP2013092029A Withdrawn JP2013168995A (ja) 2005-02-10 2013-04-25 同調可能無線周波数フィルタ

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2013092029A Withdrawn JP2013168995A (ja) 2005-02-10 2013-04-25 同調可能無線周波数フィルタ

Country Status (3)

Country Link
US (1) US7593696B2 (enExample)
EP (1) EP1691482A1 (enExample)
JP (2) JP2006222971A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011061484A (ja) * 2009-09-10 2011-03-24 Sony Corp 半導体装置および通信装置
WO2012014984A1 (ja) * 2010-07-28 2012-02-02 国立大学法人京都工芸繊維大学 マイクロ波共振器

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8126044B2 (en) * 2006-10-25 2012-02-28 The Directv Group, Inc. Passive system and method to equalize distortion in an RF satellite chain
US7925231B2 (en) * 2006-10-25 2011-04-12 The Directv Group, Inc. Passive system and method to determine distortion in an RF satellite chain
US7847659B2 (en) * 2006-12-22 2010-12-07 Alcatel-Lucent Usa Inc. Coaxial metamaterial structure
JP5337432B2 (ja) * 2007-11-30 2013-11-06 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム
EP2273606A4 (en) * 2008-05-12 2013-03-06 Panasonic Corp LEFT-FACE RESONATOR AND LEFT-FACE FILTER THEREFORE
KR101706693B1 (ko) * 2009-12-30 2017-02-14 삼성전자주식회사 근접 필드 포커싱을 이용한 무선 전력 전송 장치
US8680945B1 (en) * 2010-02-17 2014-03-25 Lockheed Martin Corporation Metamaterial enabled compact wideband tunable phase shifters
KR20110113340A (ko) * 2010-04-09 2011-10-17 한국전자통신연구원 Crlh 구조 공진기 기반의 대역 통과 필터 및 이를 이용한 듀플렉서
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
US11082014B2 (en) * 2013-09-12 2021-08-03 Dockon Ag Advanced amplifier system for ultra-wide band RF communication
EP3044723A4 (en) 2013-09-12 2017-05-03 Dockon AG Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion
US11183974B2 (en) 2013-09-12 2021-11-23 Dockon Ag Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion
KR101662563B1 (ko) * 2014-12-30 2016-10-05 연세대학교 산학협력단 가변소자를 이용한 가우시안 필터 어레이 및 그의 튜닝 방법
KR102324960B1 (ko) * 2015-06-25 2021-11-12 삼성전자 주식회사 통신 장치 및 이를 포함하는 전자 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2196881A (en) * 1938-10-29 1940-04-09 Hazeltine Corp Tunable selector of uniform band width
JP2002526969A (ja) * 1998-09-25 2002-08-20 シーメンス アクチエンゲゼルシヤフト プログラム可能移動無線端末装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE404892A (fr) * 1934-08-25 1934-09-29 Bell Telephone Manufacturing Perfectionnements aux reseaux artificiels dits "networks" utilises dans les systemes de transmission d'ondes electriques
DE19844143A1 (de) * 1998-09-25 2000-04-20 Siemens Ag Programmierbare Filterschaltung für Mobilfunkanwendungen
US7003275B1 (en) * 2000-05-18 2006-02-21 Broadband Innovations, Inc. Agile frequency converter for multichannel systems using IF-RF level exhange and tunable filters
US6882246B2 (en) * 2003-01-02 2005-04-19 Harris Corporation System and method for an electronically tunable frequency filter having constant bandwidth and temperature compensation for center frequency, bandwidth and insertion loss
US7330090B2 (en) * 2004-03-26 2008-02-12 The Regents Of The University Of California Zeroeth-order resonator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2196881A (en) * 1938-10-29 1940-04-09 Hazeltine Corp Tunable selector of uniform band width
JP2002526969A (ja) * 1998-09-25 2002-08-20 シーメンス アクチエンゲゼルシヤフト プログラム可能移動無線端末装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JPN6010018840; ATSUSHI SANADA, CHRISTOPHE CALOZ, and TATSUO ITOH: 'NOVEL ZEROTH-ORDER RESONANCE IN COMPOSITE RIGHT/LEFTHANDEDTRANSMISSION LINE RESONATORS' 2003 Asia-Pacific Microwave Conference Vol.03, 20031107, pp.1588-1591 *
JPN6012058221; Caloz, C.; Itoh, T.: 'ransmission line approach of left-handed (LH) materials and microstrip implementation of an artifici' IEEE Transactions on Antennas and Propagation Volume: 52 , Issue: 5, 200405, p.1159-1166, IEEE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011061484A (ja) * 2009-09-10 2011-03-24 Sony Corp 半導体装置および通信装置
WO2012014984A1 (ja) * 2010-07-28 2012-02-02 国立大学法人京都工芸繊維大学 マイクロ波共振器
US8947317B2 (en) 2010-07-28 2015-02-03 National University Corporation Kyoto Institute Of Technology Microwave resonator configured by composite right/left-handed meta-material and antenna apparatus provided with the microwave resonator

Also Published As

Publication number Publication date
EP1691482A1 (en) 2006-08-16
JP2013168995A (ja) 2013-08-29
US20060178114A1 (en) 2006-08-10
US7593696B2 (en) 2009-09-22

Similar Documents

Publication Publication Date Title
JP2013168995A (ja) 同調可能無線周波数フィルタ
AU2016328014B2 (en) System and method for adaptive aperture tunable antenna
US7415296B2 (en) Antenna for sending and receiving signals in a plurality of frequency bands
US7725132B1 (en) System for reducing the electromagnetic interference between two or more antennas coupled to a wireless communication device
US6329962B2 (en) Multiple band, multiple branch antenna for mobile phone
US8374660B1 (en) Apparatus and method for reducing the electromagnetic interference between two or more antennas coupled to a wireless communication device
JP2009506685A (ja) 複数の周波数帯域動作用の同調式デュアルアンテナシステム
US20130176178A1 (en) Wideband Antenna
TWI501568B (zh) 收發器、阻抗調整裝置,以及阻抗調整方法
KR20090060310A (ko) 동조가능한 듀얼 밴드 안테나 시스템
JP6950879B2 (ja) アンテナおよび端末デバイス
EP1831957A1 (en) Slot antenna having a mems varactor for resonance frequency tuning
CN103337702A (zh) 带有滤波器和调谐电路的电子设备天线
TW201528607A (zh) 無線通訊裝置及調整天線匹配的方法
US8347486B1 (en) Method of forming an apparatus used for reducing electromagnetic interference
JP2005051503A (ja) 携帯無線機
Deng et al. Multiband antenna for mobile terminals
US8013693B2 (en) Meta-material for use in a base station of a wireless communication system
US11552388B1 (en) Multi-resonant antenna
EP3488492A1 (en) Antenna with multiple resonant coupling loops
CN119890672A (zh) 天线组件及电子设备
US20110086597A1 (en) Apparatus for band pass filtering and signal radiation in mobile terminal
JP2004320520A (ja) 携帯無線機
JP2007312276A (ja) アンテナ装置および通信装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090210

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20090210

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100407

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20110425

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20130206

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20130212

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20130306

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20130311

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20130405

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20130410

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130425