CA2789861A1 - Spectral filtering systems - Google Patents

Spectral filtering systems Download PDF

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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
Authority
CA
Canada
Prior art keywords
path
signal
output
input
block
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
Application number
CA2789861A
Other languages
English (en)
French (fr)
Inventor
Vassili P. Proudkii
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.)
Cavitid Inc
SKY HOLDINGS COMPANY LLC
Original Assignee
Cavitid Inc
SKY HOLDINGS COMPANY LLC
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 Cavitid Inc, SKY HOLDINGS COMPANY LLC filed Critical Cavitid Inc
Publication of CA2789861A1 publication Critical patent/CA2789861A1/en
Abandoned legal-status Critical Current

Links

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)
CA2789861A 2010-02-16 2011-02-16 Spectral filtering systems Abandoned CA2789861A1 (en)

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 (https=)
EP (1) EP2537249A1 (https=)
JP (1) JP2013520135A (https=)
CA (1) CA2789861A1 (https=)
IL (1) IL221453A0 (https=)
WO (1) WO2011103108A1 (https=)

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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
US9762416B2 (en) * 2015-09-08 2017-09-12 Abtum Inc. Reflection coefficient reader
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
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
SG10202004720SA (en) 2015-11-23 2020-06-29 Anlotek Ltd Variable filter
US10855246B2 (en) 2016-09-21 2020-12-01 Qorvo Us, 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
US11290084B2 (en) 2017-05-24 2022-03-29 Anlotek Limited Apparatus and method for controlling a resonator
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
CN114096734B (zh) * 2019-07-17 2023-09-19 纬湃科技有限责任公司 使用多普勒雷达通过运动检测打开机动车辆开启部件的方法和相关检测设备
US11277110B2 (en) 2019-09-03 2022-03-15 Anlotek Limited Fast frequency switching in a resonant high-Q analog filter
US11115108B2 (en) * 2019-10-25 2021-09-07 Tata Consultancy Services Limited Method and system for field agnostic source localization
CN115427911A (zh) 2019-12-05 2022-12-02 安乐泰克有限公司 在频率合成中使用稳定的可调谐有源反馈模拟滤波器
EP3890189A1 (en) 2020-03-30 2021-10-06 Anlotek Limited Active feedback analog filters with coupled resonators
EP3926828A1 (en) * 2020-06-15 2021-12-22 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
US12580544B2 (en) 2021-04-30 2026-03-17 Anlotek Limited Phase noise reduction in a variable analogue RF resonator with switched capacitors
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
CN116723427A (zh) * 2023-06-28 2023-09-08 北京电子工程总体研究所 一种再生式遥测信号转发装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5999043A (en) * 1996-12-19 1999-12-07 Texas Instruments Incorporated On-chip high resistance device for passive low pass filters with programmable poles
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
EP2088681B1 (en) * 2004-10-12 2018-08-08 Maxlinear, Inc. A receiver architecture with digitally generated intermediate frequency
WO2006066628A1 (en) * 2004-12-23 2006-06-29 Freescale Semiconductor, Inc Power control system for a wireless communication unit

Also Published As

Publication number Publication date
JP2013520135A (ja) 2013-05-30
IL221453A0 (en) 2012-10-31
US20130065542A1 (en) 2013-03-14
EP2537249A1 (en) 2012-12-26
WO2011103108A1 (en) 2011-08-25

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20150217