SE0102151D0 - Active filter - Google Patents

Active filter

Info

Publication number
SE0102151D0
SE0102151D0 SE0102151A SE0102151A SE0102151D0 SE 0102151 D0 SE0102151 D0 SE 0102151D0 SE 0102151 A SE0102151 A SE 0102151A SE 0102151 A SE0102151 A SE 0102151A SE 0102151 D0 SE0102151 D0 SE 0102151D0
Authority
SE
Sweden
Prior art keywords
filter
circuitry
impedance
active filter
coupler
Prior art date
Application number
SE0102151A
Other languages
English (en)
Inventor
Peter Paeaekkoenen
Ali-Reza Azarian
Christer Ahlberg
Lars Edstroem
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0102151A priority Critical patent/SE0102151D0/sv
Publication of SE0102151D0 publication Critical patent/SE0102151D0/sv
Priority to EP02744023A priority patent/EP1405411A1/en
Priority to US10/481,251 priority patent/US20040251958A1/en
Priority to PCT/SE2002/001199 priority patent/WO2002103901A1/en

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
    • 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

Landscapes

  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
SE0102151A 2001-06-18 2001-06-18 Active filter SE0102151D0 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE0102151A SE0102151D0 (sv) 2001-06-18 2001-06-18 Active filter
EP02744023A EP1405411A1 (en) 2001-06-18 2002-06-18 Active filter
US10/481,251 US20040251958A1 (en) 2001-06-18 2002-06-18 Active filter
PCT/SE2002/001199 WO2002103901A1 (en) 2001-06-18 2002-06-18 Active filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0102151A SE0102151D0 (sv) 2001-06-18 2001-06-18 Active filter

Publications (1)

Publication Number Publication Date
SE0102151D0 true SE0102151D0 (sv) 2001-06-18

Family

ID=20284512

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0102151A SE0102151D0 (sv) 2001-06-18 2001-06-18 Active filter

Country Status (4)

Country Link
US (1) US20040251958A1 (sv)
EP (1) EP1405411A1 (sv)
SE (1) SE0102151D0 (sv)
WO (1) WO2002103901A1 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7433668B2 (en) * 2004-12-23 2008-10-07 Lucent Technologies Inc. Controlling Q-factor of filters
DE602004023529D1 (de) * 2004-12-23 2009-11-19 Lucent Technologies Inc Regelung der Güte (Q) von Filtern
US8204031B2 (en) * 2008-09-24 2012-06-19 Rockstar Bidco, LP Duplexer/multiplexer having filters that include at least one band reject filter
US20110090020A1 (en) * 2009-10-15 2011-04-21 Reeser Glen O Voltage Controlled SAW Oscillator with Phase Shifter
CN104244311B (zh) * 2013-06-09 2017-09-15 中国移动通信集团公司 天馈系统的无源互调性能测试方法和装置
US9595935B2 (en) 2015-05-12 2017-03-14 Qualcomm Incorporated Active notch filter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450417A (en) * 1981-12-28 1984-05-22 Rockwell International Corporation Feed forward circuit
US5132651A (en) * 1989-06-13 1992-07-21 Murata Manufacturing Co., Ltd. Filter apparatus
FR2652211A1 (fr) * 1989-09-15 1991-03-22 Alcatel Transmission Resonateur hyperfrequence actif et filtre actif utilisant ce resonateur.
JP3343944B2 (ja) * 1992-07-17 2002-11-11 株式会社村田製作所 アクティブ帯域通過フィルタ
US5315265A (en) * 1992-12-11 1994-05-24 Spectrian, Inc. Low intermodulation distortion FET amplifier using parasitic resonant matching
US5339057A (en) * 1993-02-26 1994-08-16 The United States Of America As Represented By The Secretary Of The Navy Limited bandwidth microwave filter

Also Published As

Publication number Publication date
EP1405411A1 (en) 2004-04-07
US20040251958A1 (en) 2004-12-16
WO2002103901A8 (en) 2004-04-22
WO2002103901A1 (en) 2002-12-27

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