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 PDFInfo
- 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
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/175—Series LC in series path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1775—Parallel LC in shunt or branch path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H7/463—Duplexers
Landscapes
- Filters And Equalizers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Transceivers (AREA)
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)
| 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)
| 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)
| 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)
| 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 |
-
2005
- 2005-02-10 US US11/055,137 patent/US7593696B2/en active Active
-
2006
- 2006-02-01 EP EP06250538A patent/EP1691482A1/en not_active Ceased
- 2006-02-10 JP JP2006033158A patent/JP2006222971A/ja active Pending
-
2013
- 2013-04-25 JP JP2013092029A patent/JP2013168995A/ja not_active Withdrawn
Patent Citations (2)
| 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)
| 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)
| 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 |
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