JP5786031B2 - アクティブ停止帯域フィルタ - Google Patents
アクティブ停止帯域フィルタ Download PDFInfo
- Publication number
- JP5786031B2 JP5786031B2 JP2013543577A JP2013543577A JP5786031B2 JP 5786031 B2 JP5786031 B2 JP 5786031B2 JP 2013543577 A JP2013543577 A JP 2013543577A JP 2013543577 A JP2013543577 A JP 2013543577A JP 5786031 B2 JP5786031 B2 JP 5786031B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- active
- capacitor
- resonator
- stopband
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 15
- 230000003213 activating effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Networks Using Active Elements (AREA)
- Filters And Equalizers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10195414.7 | 2010-12-16 | ||
| EP10195414 | 2010-12-16 | ||
| PCT/EP2011/053684 WO2012079777A1 (fr) | 2010-12-16 | 2011-03-11 | Filtre stop bande actif |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014501461A JP2014501461A (ja) | 2014-01-20 |
| JP2014501461A5 JP2014501461A5 (cg-RX-API-DMAC7.html) | 2014-04-24 |
| JP5786031B2 true JP5786031B2 (ja) | 2015-09-30 |
Family
ID=44625357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013543577A Expired - Fee Related JP5786031B2 (ja) | 2010-12-16 | 2011-03-11 | アクティブ停止帯域フィルタ |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9300273B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP2652835A1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP5786031B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR20130142160A (cg-RX-API-DMAC7.html) |
| CN (1) | CN103314481A (cg-RX-API-DMAC7.html) |
| WO (1) | WO2012079777A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10720714B1 (en) * | 2013-03-04 | 2020-07-21 | Ethertronics, Inc. | Beam shaping techniques for wideband antenna |
| CN103684341A (zh) * | 2013-11-28 | 2014-03-26 | 成都位时通科技有限公司 | 性能优越的滤波解调器 |
| CN105428763A (zh) * | 2015-12-31 | 2016-03-23 | 京信通信技术(广州)有限公司 | 一种滤波结构及带阻滤波器 |
| CN112653419A (zh) * | 2020-12-11 | 2021-04-13 | 北京北方华创微电子装备有限公司 | 一种滤波方法、滤波电路 |
| EP4197063B1 (en) * | 2021-02-18 | 2025-09-24 | Huawei Technologies Co., Ltd. | Antenna for a wireless communication device and such a device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3593225A (en) * | 1969-09-29 | 1971-07-13 | Us Army | L-band switchable narrow bandstop filter |
| JPS5074834A (cg-RX-API-DMAC7.html) | 1973-11-07 | 1975-06-19 | ||
| JPS5320212Y2 (cg-RX-API-DMAC7.html) * | 1973-11-12 | 1978-05-27 | ||
| US3974399A (en) * | 1974-05-09 | 1976-08-10 | Yagi Antenna Co., Ltd. | Active high Q filter using transistor |
| US4733209A (en) | 1986-06-27 | 1988-03-22 | Augat Inc. | Ceramic Scrambler module |
| FI106608B (fi) * | 1996-09-26 | 2001-02-28 | Filtronic Lk Oy | Sähköisesti säädettävä suodatin |
| JPH11205066A (ja) * | 1998-01-13 | 1999-07-30 | Murata Mfg Co Ltd | フィルタ |
| 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 |
| US6784766B2 (en) | 2002-08-21 | 2004-08-31 | Raytheon Company | MEMS tunable filters |
| US7323955B2 (en) * | 2005-06-06 | 2008-01-29 | The United States Of America As Represented By The Secretary Of The Navy | Narrow-band absorptive bandstop filter with multiple signal paths |
| KR100921383B1 (ko) * | 2006-09-08 | 2009-10-14 | 가부시키가이샤 엔.티.티.도코모 | 가변 공진기, 대역폭 가변 필터, 전기회로 장치 |
| JP2011244187A (ja) | 2010-05-18 | 2011-12-01 | Mitsubishi Electric Corp | 帯域可変フィルタ |
-
2011
- 2011-03-11 JP JP2013543577A patent/JP5786031B2/ja not_active Expired - Fee Related
- 2011-03-11 US US13/994,241 patent/US9300273B2/en not_active Expired - Fee Related
- 2011-03-11 EP EP11707860.0A patent/EP2652835A1/fr not_active Withdrawn
- 2011-03-11 WO PCT/EP2011/053684 patent/WO2012079777A1/fr not_active Ceased
- 2011-03-11 KR KR1020137015661A patent/KR20130142160A/ko not_active Withdrawn
- 2011-03-11 CN CN2011800606228A patent/CN103314481A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014501461A (ja) | 2014-01-20 |
| CN103314481A (zh) | 2013-09-18 |
| US9300273B2 (en) | 2016-03-29 |
| KR20130142160A (ko) | 2013-12-27 |
| WO2012079777A1 (fr) | 2012-06-21 |
| EP2652835A1 (fr) | 2013-10-23 |
| US20130293321A1 (en) | 2013-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100846486B1 (ko) | 이미지 제거 안테나 | |
| US7675469B2 (en) | Tunable antenna device and radio apparatus | |
| US8306499B2 (en) | High-frequency filter | |
| JP5786031B2 (ja) | アクティブ停止帯域フィルタ | |
| JP2011061776A (ja) | Uhfバンドチャンネル信号の受信のための電気的小型アンテナを含むアンテナシステム | |
| KR100822475B1 (ko) | 저주파대역 무선신호의 송수신이 가능한 능동형 안테나 및이를 구비한 이동통신 단말기 | |
| US11146242B2 (en) | Filter device, multiplexer, radio frequency front end circuit, and communication device | |
| US9705170B2 (en) | Switchable band-pass filter | |
| KR20010047547A (ko) | 무선 단말기의 통화 신호 및 텔레비전 방송 신호 안테나공용 장치 | |
| Huang et al. | Tunable antenna design procedure and harmonics suppression methods of the tunable DVB-H antenna for mobile applications | |
| Donelli et al. | Compact microstrip reconfigurable filter based on spiral resonators | |
| US20080030625A1 (en) | 3 Band Tv-Rf Input Circuit | |
| JP2007174018A (ja) | アンテナ | |
| JP5940880B2 (ja) | 帯域阻止フィルタ | |
| US8620251B2 (en) | Electronic device with adjustable filter and associated methods | |
| JP2011142384A (ja) | アンテナ整合回路及びそれを備えた高周波受信装置 | |
| JP3097063U (ja) | テレビジョンチューナ | |
| KR20120133587A (ko) | 지상파 방송용 수신 모듈 | |
| WO2025008808A1 (en) | Radio system including one or more tunable low pass filters for suppressing harmonics and an associated method | |
| JP2011249982A (ja) | テレビジョンチューナの入力同調回路 | |
| JP2010288125A (ja) | テレビジョン放送チューナ | |
| US9343807B2 (en) | Antenna system for receiving and transmitting wireless signals | |
| Lababidi et al. | Tunable semi-lumped dual response filter using active capacitor circuit for multistandard systems | |
| EP2159873A1 (en) | Broadcast wave receiving apparatus | |
| Wight | G GGGGGGG GGGG GL LLaaLL LLLGLL GGG LS GaN HEMT-EASED) HIGH POWER HIGH-PASS/LOW-PASS 22.5 PHASE SHIFTER |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140310 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20140310 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20140911 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20141111 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150210 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150310 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20150630 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150727 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 5786031 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| LAPS | Cancellation because of no payment of annual fees |