FI106608B - Sähköisesti säädettävä suodatin - Google Patents

Sähköisesti säädettävä suodatin Download PDF

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Publication number
FI106608B
FI106608B FI963841A FI963841A FI106608B FI 106608 B FI106608 B FI 106608B FI 963841 A FI963841 A FI 963841A FI 963841 A FI963841 A FI 963841A FI 106608 B FI106608 B FI 106608B
Authority
FI
Finland
Prior art keywords
transmission line
resonators
radio frequency
frequency filter
filter according
Prior art date
Application number
FI963841A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI963841A0 (fi
FI963841A (fi
Inventor
Tapio Raettilae
Mauri Alila
Original Assignee
Filtronic Lk Oy
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 Filtronic Lk Oy filed Critical Filtronic Lk Oy
Priority to FI963841A priority Critical patent/FI106608B/fi
Publication of FI963841A0 publication Critical patent/FI963841A0/fi
Priority to EP97307320A priority patent/EP0838874B1/de
Priority to DE69726092T priority patent/DE69726092T2/de
Priority to US08/937,852 priority patent/US6037848A/en
Publication of FI963841A publication Critical patent/FI963841A/fi
Application granted granted Critical
Publication of FI106608B publication Critical patent/FI106608B/fi

Links

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
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Networks Using Active Elements (AREA)
FI963841A 1996-09-26 1996-09-26 Sähköisesti säädettävä suodatin FI106608B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI963841A FI106608B (fi) 1996-09-26 1996-09-26 Sähköisesti säädettävä suodatin
EP97307320A EP0838874B1 (de) 1996-09-26 1997-09-19 Elektrisch gesteuertes Filter
DE69726092T DE69726092T2 (de) 1996-09-26 1997-09-19 Elektrisch gesteuertes Filter
US08/937,852 US6037848A (en) 1996-09-26 1997-09-25 Electrically regulated filter having a selectable stop band

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI963841A FI106608B (fi) 1996-09-26 1996-09-26 Sähköisesti säädettävä suodatin
FI963841 1996-09-26

Publications (3)

Publication Number Publication Date
FI963841A0 FI963841A0 (fi) 1996-09-26
FI963841A FI963841A (fi) 1998-03-27
FI106608B true FI106608B (fi) 2001-02-28

Family

ID=8546748

Family Applications (1)

Application Number Title Priority Date Filing Date
FI963841A FI106608B (fi) 1996-09-26 1996-09-26 Sähköisesti säädettävä suodatin

Country Status (4)

Country Link
US (1) US6037848A (de)
EP (1) EP0838874B1 (de)
DE (1) DE69726092T2 (de)
FI (1) FI106608B (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4198800B2 (ja) * 1998-12-03 2008-12-17 マスプロ電工株式会社 有線放送システムの分岐装置
US20040225807A1 (en) * 2001-02-26 2004-11-11 Leddige Michael W. Method and assembly having a matched filter connector
CN1989652B (zh) 2004-06-28 2013-03-13 脉冲芬兰有限公司 天线部件
FI20055420A0 (fi) * 2005-07-25 2005-07-25 Lk Products Oy Säädettävä monikaista antenni
FI119009B (fi) * 2005-10-03 2008-06-13 Pulse Finland Oy Monikaistainen antennijärjestelmä
FI118782B (fi) 2005-10-14 2008-03-14 Pulse Finland Oy Säädettävä antenni
FI119577B (fi) * 2005-11-24 2008-12-31 Pulse Finland Oy Monikaistainen antennikomponentti
US8618990B2 (en) 2011-04-13 2013-12-31 Pulse Finland Oy Wideband antenna and methods
US10211538B2 (en) 2006-12-28 2019-02-19 Pulse Finland Oy Directional antenna apparatus and methods
FI20075269A0 (fi) * 2007-04-19 2007-04-19 Pulse Finland Oy Menetelmä ja järjestely antennin sovittamiseksi
FI120427B (fi) 2007-08-30 2009-10-15 Pulse Finland Oy Säädettävä monikaista-antenni
EP2251927A1 (de) * 2009-05-14 2010-11-17 Thomson Licensing Sperrbandfilter mit Doppelreaktion
FI20096134A0 (fi) 2009-11-03 2009-11-03 Pulse Finland Oy Säädettävä antenni
FI20096251A0 (sv) 2009-11-27 2009-11-27 Pulse Finland Oy MIMO-antenn
US8847833B2 (en) * 2009-12-29 2014-09-30 Pulse Finland Oy Loop resonator apparatus and methods for enhanced field control
FI20105158A (fi) 2010-02-18 2011-08-19 Pulse Finland Oy Kuorisäteilijällä varustettu antenni
US9406998B2 (en) 2010-04-21 2016-08-02 Pulse Finland Oy Distributed multiband antenna and methods
KR20130142160A (ko) * 2010-12-16 2013-12-27 톰슨 라이센싱 능동형 대역 소거 필터
FI20115072A0 (fi) 2011-01-25 2011-01-25 Pulse Finland Oy Moniresonanssiantenni, -antennimoduuli ja radiolaite
US8648752B2 (en) 2011-02-11 2014-02-11 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US9673507B2 (en) 2011-02-11 2017-06-06 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8866689B2 (en) 2011-07-07 2014-10-21 Pulse Finland Oy Multi-band antenna and methods for long term evolution wireless system
US9450291B2 (en) 2011-07-25 2016-09-20 Pulse Finland Oy Multiband slot loop antenna apparatus and methods
US9123990B2 (en) 2011-10-07 2015-09-01 Pulse Finland Oy Multi-feed antenna apparatus and methods
US9531058B2 (en) 2011-12-20 2016-12-27 Pulse Finland Oy Loosely-coupled radio antenna apparatus and methods
US9484619B2 (en) 2011-12-21 2016-11-01 Pulse Finland Oy Switchable diversity antenna apparatus and methods
US8988296B2 (en) 2012-04-04 2015-03-24 Pulse Finland Oy Compact polarized antenna and methods
US9979078B2 (en) 2012-10-25 2018-05-22 Pulse Finland Oy Modular cell antenna apparatus and methods
US10069209B2 (en) 2012-11-06 2018-09-04 Pulse Finland Oy Capacitively coupled antenna apparatus and methods
US10079428B2 (en) 2013-03-11 2018-09-18 Pulse Finland Oy Coupled antenna structure and methods
US9647338B2 (en) 2013-03-11 2017-05-09 Pulse Finland Oy Coupled antenna structure and methods
US9634383B2 (en) 2013-06-26 2017-04-25 Pulse Finland Oy Galvanically separated non-interacting antenna sector apparatus and methods
US9680212B2 (en) 2013-11-20 2017-06-13 Pulse Finland Oy Capacitive grounding methods and apparatus for mobile devices
US9590308B2 (en) 2013-12-03 2017-03-07 Pulse Electronics, Inc. Reduced surface area antenna apparatus and mobile communications devices incorporating the same
US9350081B2 (en) 2014-01-14 2016-05-24 Pulse Finland Oy Switchable multi-radiator high band antenna apparatus
US9973228B2 (en) 2014-08-26 2018-05-15 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9948002B2 (en) 2014-08-26 2018-04-17 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9722308B2 (en) 2014-08-28 2017-08-01 Pulse Finland Oy Low passive intermodulation distributed antenna system for multiple-input multiple-output systems and methods of use
US9906260B2 (en) 2015-07-30 2018-02-27 Pulse Finland Oy Sensor-based closed loop antenna swapping apparatus and methods
US9634823B1 (en) 2015-10-13 2017-04-25 Kumu Networks, Inc. Systems for integrated self-interference cancellation
WO2017106766A1 (en) 2015-12-16 2017-06-22 Kumu Networks, Inc. Time delay filters
US10454444B2 (en) 2016-04-25 2019-10-22 Kumu Networks, Inc. Integrated delay modules
US9979374B2 (en) 2016-04-25 2018-05-22 Kumu Networks, Inc. Integrated delay modules
US10103774B1 (en) 2017-03-27 2018-10-16 Kumu Networks, Inc. Systems and methods for intelligently-tuned digital self-interference cancellation
KR102339808B1 (ko) 2018-02-27 2021-12-16 쿠무 네트웍스, 아이엔씨. 구성가능한 하이브리드 자기-간섭 소거를 위한 시스템 및 방법
US10547281B1 (en) * 2018-07-13 2020-01-28 Qualcomm Incorporated Source impedance tuning circuit for a receive path
US10868661B2 (en) 2019-03-14 2020-12-15 Kumu Networks, Inc. Systems and methods for efficiently-transformed digital self-interference cancellation
DE102021212216A1 (de) 2021-10-29 2023-05-04 Robert Bosch Gesellschaft mit beschränkter Haftung Hochfrequenz-Filtervorrichtung, Hochfrequenzmodul und Hochfrequenz-Filterverfahren

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467296A (en) * 1982-08-23 1984-08-21 Loral Corporation Integrated electronic controlled diode filter microwave networks
US5065120A (en) * 1990-09-21 1991-11-12 Motorola, Inc. Frequency agile, dielectrically loaded resonator filter
FI88442C (fi) * 1991-06-25 1993-05-10 Lk Products Oy Foerfarande foer foerskjutning av den karakteristika kurvan av en resonator i frekvensplanet och en resonatorkonstruktion
FI94298C (fi) * 1993-03-03 1995-08-10 Lk Products Oy Menetelmä ja kytkentä suodatintyypin vaihtamiseksi
GB2280559A (en) * 1993-07-29 1995-02-01 Filtronic Ltd A switched bandstop filter arrangement
JPH07147503A (ja) * 1993-11-24 1995-06-06 Murata Mfg Co Ltd 誘電体フィルタ
JP3198808B2 (ja) * 1994-06-30 2001-08-13 株式会社村田製作所 高周波スイッチ
FI97923C (fi) * 1995-03-22 1997-03-10 Lk Products Oy Portaittain säädettävä suodatin

Also Published As

Publication number Publication date
EP0838874A3 (de) 2000-04-12
EP0838874A2 (de) 1998-04-29
US6037848A (en) 2000-03-14
EP0838874B1 (de) 2003-11-12
FI963841A0 (fi) 1996-09-26
DE69726092D1 (de) 2003-12-18
DE69726092T2 (de) 2004-08-26
FI963841A (fi) 1998-03-27

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