CA2789861A1 - Spectral filtering systems - Google Patents
Spectral filtering systems Download PDFInfo
- Publication number
- CA2789861A1 CA2789861A1 CA2789861A CA2789861A CA2789861A1 CA 2789861 A1 CA2789861 A1 CA 2789861A1 CA 2789861 A CA2789861 A CA 2789861A CA 2789861 A CA2789861 A CA 2789861A CA 2789861 A1 CA2789861 A1 CA 2789861A1
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- CA
- Canada
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- 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.)
- Abandoned
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Classifications
-
- 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
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1291—Current or voltage controlled filters
Landscapes
- Amplifiers (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28246310P | 2010-02-16 | 2010-02-16 | |
| US61/282,463 | 2010-02-16 | ||
| US34470210P | 2010-09-16 | 2010-09-16 | |
| US61/344,702 | 2010-09-16 | ||
| PCT/US2011/024963 WO2011103108A1 (en) | 2010-02-16 | 2011-02-16 | Spectral filtering systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2789861A1 true CA2789861A1 (en) | 2011-08-25 |
Family
ID=44483269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2789861A Abandoned CA2789861A1 (en) | 2010-02-16 | 2011-02-16 | Spectral filtering systems |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20130065542A1 (enExample) |
| EP (1) | EP2537249A1 (enExample) |
| JP (1) | JP2013520135A (enExample) |
| CA (1) | CA2789861A1 (enExample) |
| IL (1) | IL221453A0 (enExample) |
| WO (1) | WO2011103108A1 (enExample) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9882602B2 (en) * | 2011-06-29 | 2018-01-30 | Qualcomm Incorporated | Global navigation satellite system receiver with filter bypass mode for improved sensitivity |
| US9813094B2 (en) * | 2012-03-01 | 2017-11-07 | Keysight Technologies, Inc. | Wideband receiver |
| US9170336B2 (en) * | 2012-10-04 | 2015-10-27 | Aviacomm Inc. | All band GNSS receiver |
| JP6158521B2 (ja) * | 2013-01-30 | 2017-07-05 | エスアイアイ・セミコンダクタ株式会社 | 演算増幅回路 |
| JP6277739B2 (ja) * | 2014-01-28 | 2018-02-14 | 富士通株式会社 | 通信装置 |
| US10615949B2 (en) | 2014-02-14 | 2020-04-07 | University Of Southern California | Hybrid-based cancellation in presence of antenna mismatch |
| US10073812B2 (en) | 2014-04-25 | 2018-09-11 | The University Of North Carolina At Charlotte | Digital discrete-time non-foster circuits and elements |
| US10581650B2 (en) | 2015-09-08 | 2020-03-03 | Qorvo Us, Inc. | Enhancing isolation in radio frequency multiplexers |
| US9912326B2 (en) | 2015-09-08 | 2018-03-06 | Abtum Inc. | Method for tuning feed-forward canceller |
| US9866201B2 (en) | 2015-09-08 | 2018-01-09 | Abtum Inc. | All-acoustic duplexers using directional couplers |
| US9762416B2 (en) * | 2015-09-08 | 2017-09-12 | Abtum Inc. | Reflection coefficient reader |
| US9755668B2 (en) | 2015-09-30 | 2017-09-05 | Abtum Inc. | Radio frequency complex reflection coefficient reader |
| US10038458B2 (en) | 2015-10-06 | 2018-07-31 | Abtum Inc. | Reflection-based radio-frequency multiplexers |
| WO2017065997A1 (en) | 2015-10-12 | 2017-04-20 | Abtum Inc. | Hybrid-coupler-based radio frequency multiplexers |
| IL259540B2 (en) | 2015-11-23 | 2024-02-01 | Anlotek Ltd | Variable filter |
| WO2018057725A1 (en) | 2016-09-21 | 2018-03-29 | Abtum Inc. | Enhancing isolation in hybrid-based radio frequency duplexers and multiplexers |
| JP2018074198A (ja) * | 2016-10-24 | 2018-05-10 | 富士通株式会社 | 演算方法、基地局装置および演算回路 |
| CN108322237B (zh) * | 2017-01-14 | 2020-09-29 | 鸿富锦精密工业（深圳）有限公司 | 干扰抑制系统及方法 |
| TWI776901B (zh) * | 2017-05-24 | 2022-09-11 | 英商安諾特克有限公司 | 用於控制諧振器之裝置及方法 |
| JP2019114906A (ja) * | 2017-12-22 | 2019-07-11 | ルネサスエレクトロニクス株式会社 | 半導体装置及び半導体システム |
| FR3091428B1 (fr) * | 2018-12-28 | 2021-07-23 | Thales Sa | Procede pour calibrer un filtre a frequence variable |
| WO2021008930A1 (fr) * | 2019-07-17 | 2021-01-21 | Vitesco Technologies GmbH | Procede d'ouverture d'un ouvrant de vehicule automobile par detection de mouvement, utilisant un radar doppler et dispositif de detection associe |
| US11277110B2 (en) | 2019-09-03 | 2022-03-15 | Anlotek Limited | Fast frequency switching in a resonant high-Q analog filter |
| EP3812787B1 (en) * | 2019-10-25 | 2024-07-03 | Tata Consultancy Services Limited | Method and system for field agnostic source localization |
| WO2021111416A1 (en) | 2019-12-05 | 2021-06-10 | Anlotek Limited | Use of stable tunable active feedback analog filters in frequency synthesis |
| EP3890189A1 (en) * | 2020-03-30 | 2021-10-06 | Anlotek Limited | Active feedback analog filters with coupled resonators |
| US11876499B2 (en) | 2020-06-15 | 2024-01-16 | Anlotek Limited | Tunable bandpass filter with high stability and orthogonal tuning |
| US11283479B2 (en) | 2020-06-18 | 2022-03-22 | Analog Devices, Inc. | Apparatus and methods for radio frequency signal limiting |
| US11955942B2 (en) | 2021-02-27 | 2024-04-09 | Anlotek Limited | Active multi-pole filter |
| EP4089920A1 (en) | 2021-05-12 | 2022-11-16 | Anlotek Limited | Fast frequency switching in a variable rf filter |
| TW202304153A (zh) * | 2021-05-23 | 2023-01-16 | 英商安諾特克有限公司 | 多環路信號處理 |
| US12483206B2 (en) | 2023-03-09 | 2025-11-25 | Analog Devices, Inc. | Broadband low noise amplifiers with integrated limiters and fast recovery time |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0849878A3 (en) * | 1996-12-19 | 2002-06-26 | Texas Instruments Incorporated | Improvements in or relating to integrated circuits |
| US6724840B1 (en) * | 2000-04-15 | 2004-04-20 | The Aerospace Corporation | Adaptive interference cancellation method |
| US7151759B1 (en) * | 2001-03-19 | 2006-12-19 | Cisco Systems Wireless Networking (Australia) Pty Limited | Automatic gain control and low power start-of-packet detection for a wireless LAN receiver |
| US7155372B2 (en) * | 2002-12-30 | 2006-12-26 | Bae Systems Information And Electronic Systems | Methods and apparatuses for filtering pulses |
| US20050089123A1 (en) * | 2003-10-23 | 2005-04-28 | Solon Spiegel | Circuit method and system for automatic gain control |
| JP4874983B2 (ja) * | 2004-10-12 | 2012-02-15 | マックスリニアー，インコーポレイティド | デジタル発生中間周波を有する受信器アーキテクチャ |
| EP1831992A1 (en) * | 2004-12-23 | 2007-09-12 | Freescale Semiconductor, Inc. | Power control system for a wireless communication unit |
-
2011
- 2011-02-16 JP JP2012553975A patent/JP2013520135A/ja not_active Withdrawn
- 2011-02-16 EP EP11745127A patent/EP2537249A1/en not_active Withdrawn
- 2011-02-16 WO PCT/US2011/024963 patent/WO2011103108A1/en not_active Ceased
- 2011-02-16 US US13/579,211 patent/US20130065542A1/en not_active Abandoned
- 2011-02-16 CA CA2789861A patent/CA2789861A1/en not_active Abandoned
-
2012
- 2012-08-14 IL IL221453A patent/IL221453A0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL221453A0 (en) | 2012-10-31 |
| WO2011103108A1 (en) | 2011-08-25 |
| JP2013520135A (ja) | 2013-05-30 |
| US20130065542A1 (en) | 2013-03-14 |
| EP2537249A1 (en) | 2012-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20150217 |
|
| FZDE | Discontinued |
Effective date: 20150217 |