FI98671B - Rinnankytketty moniasteinen kaistanpäästösuodatin - Google Patents

Rinnankytketty moniasteinen kaistanpäästösuodatin

Info

Publication number
FI98671B
FI98671B FI902185A FI902185A FI98671B FI 98671 B FI98671 B FI 98671B FI 902185 A FI902185 A FI 902185A FI 902185 A FI902185 A FI 902185A FI 98671 B FI98671 B FI 98671B
Authority
FI
Finland
Prior art keywords
bandpass filter
parallel multi
stage bandpass
input
parallel
Prior art date
Application number
FI902185A
Other languages
English (en)
Swedish (sv)
Other versions
FI98671C (fi
FI902185A0 (fi
Inventor
Kikuo Wakino
Toshio Nishikawa
Youhei Ishikawa
Koichi Takehara
Toru Tanizaki
Original Assignee
Murata Manufacturing Co
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 Murata Manufacturing Co filed Critical Murata Manufacturing Co
Publication of FI902185A0 publication Critical patent/FI902185A0/fi
Application granted granted Critical
Publication of FI98671B publication Critical patent/FI98671B/fi
Publication of FI98671C publication Critical patent/FI98671C/fi

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/0115Frequency selective two-port networks comprising only inductors and capacitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Filters And Equalizers (AREA)
FI902185A 1989-05-02 1990-05-02 Rinnankytketty moniasteinen kaistanpäästösuodatin FI98671C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP11392789 1989-05-02
JP11392789 1989-05-02
JP10396190 1990-04-19
JP2103961A JPH0812961B2 (ja) 1989-05-02 1990-04-19 並列多段型帯域通過フィルタ

Publications (3)

Publication Number Publication Date
FI902185A0 FI902185A0 (fi) 1990-05-02
FI98671B true FI98671B (fi) 1997-04-15
FI98671C FI98671C (fi) 1997-07-25

Family

ID=26444521

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902185A FI98671C (fi) 1989-05-02 1990-05-02 Rinnankytketty moniasteinen kaistanpäästösuodatin

Country Status (8)

Country Link
US (1) US5097236A (fi)
EP (1) EP0396123B1 (fi)
JP (1) JPH0812961B2 (fi)
AT (1) ATE162020T1 (fi)
DE (1) DE69031881T2 (fi)
DK (1) DK0396123T3 (fi)
ES (1) ES2112245T3 (fi)
FI (1) FI98671C (fi)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307036A (en) * 1989-06-09 1994-04-26 Lk-Products Oy Ceramic band-stop filter
US5103197A (en) * 1989-06-09 1992-04-07 Lk-Products Oy Ceramic band-pass filter
FI86673C (fi) * 1991-04-12 1992-09-25 Lk Products Oy Keramiskt duplexfilter.
JPH04132703U (ja) * 1991-05-31 1992-12-09 株式会社村田製作所 並列多段型帯域通過フイルタ
DE69615914T2 (de) * 1995-05-16 2002-04-04 Matsushita Electric Ind Co Ltd Funkübertragungsvorrichtung für Zeitmultiplex-Vielfachzugriffssystem
US6107898A (en) * 1998-04-30 2000-08-22 The United State Of America As Represented By The Secretary Of The Navy Microwave channelized bandpass filter having two channels
US6337610B1 (en) 1999-11-22 2002-01-08 Comsat Corporation Asymmetric response bandpass filter having resonators with minimum couplings
JP2001345601A (ja) 2000-03-30 2001-12-14 Toshiba Corp フィルタ回路
DE10208666A1 (de) * 2002-02-28 2003-09-04 Marconi Comm Gmbh Bandpassfilter mit parallelen Signalwegen
JP3932962B2 (ja) * 2002-04-17 2007-06-20 株式会社村田製作所 バンドパスフィルタ及び通信機
JP3705257B2 (ja) 2002-08-30 2005-10-12 株式会社村田製作所 並列多段型帯域通過フィルタ
US20050270120A1 (en) * 2004-06-02 2005-12-08 Jiunn-Sheng Guo Dielectric resonator filter and multiplexer
WO2006022672A1 (en) * 2004-07-30 2006-03-02 Raytheon Company Apparatus and methods for split-feed coupled-ring resonator-pair elliptic-function filters
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
JP2007174438A (ja) * 2005-12-23 2007-07-05 Toshiba Corp フィルタ回路及びフィルタを備えた無線通信システム
US8618990B2 (en) 2011-04-13 2013-12-31 Pulse Finland Oy Wideband antenna and methods
JP4303272B2 (ja) * 2006-09-15 2009-07-29 株式会社東芝 フィルタ回路
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
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
EP2378606A1 (en) * 2010-04-16 2011-10-19 Astrium Limited Multi-Band Filter
US9406998B2 (en) 2010-04-21 2016-08-02 Pulse Finland Oy Distributed multiband antenna and methods
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
GB2491460B (en) * 2011-06-01 2017-09-06 Filtronic Wireless Ltd A microwave filter
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
CN105978523B (zh) * 2012-08-10 2018-07-13 株式会社村田制作所 电缆及通信装置
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
US9647338B2 (en) 2013-03-11 2017-05-09 Pulse Finland Oy Coupled antenna structure and methods
US10079428B2 (en) 2013-03-11 2018-09-18 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
JP5620549B1 (ja) * 2013-07-16 2014-11-05 八重洲無線株式会社 帯域通過フィルタ及びそれを用いた無線受信機
US9312927B2 (en) * 2013-11-11 2016-04-12 Qualcomm Incorporated Tunable guard ring for improved circuit isolation
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
US10813212B2 (en) * 2016-11-08 2020-10-20 Mitsubishi Electric Corporation Multiband filter
SG11202104824UA (en) * 2018-11-26 2021-06-29 Fisher & Paykel Healthcare Ltd Diffuser for a component of a respiratory therapy system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716733A (en) * 1950-05-10 1955-08-30 Exxon Research Engineering Co Variable bandwidth band-pass filter
US2709206A (en) * 1951-01-31 1955-05-24 Exxon Research Engineering Co Constant time delay band-pass filter
US3345589A (en) * 1962-12-14 1967-10-03 Bell Telephone Labor Inc Transmission line type microwave filter
FR1354860A (fr) * 1962-12-19 1964-03-13 Thomson Houston Comp Francaise Filtre de bande à déphasage linéaire
JPS6025129Y2 (ja) * 1980-08-27 1985-07-29 デイエツクスアンテナ株式会社 多チヤンネル混合分波器
US4395688A (en) * 1981-08-11 1983-07-26 Harris Corporation Linear phase filter with self-equalized group delay
JPS58141601U (ja) * 1982-03-19 1983-09-24 八木アンテナ株式会社 帯域通過炉波器
US4728913A (en) * 1985-01-18 1988-03-01 Murata Manufacturing Co., Ltd. Dielectric resonator
JPS61170166A (ja) * 1985-01-24 1986-07-31 Yagi Antenna Co Ltd ろ波回路
SU1262601A1 (ru) * 1985-04-25 1986-10-07 Предприятие П/Я В-2749 Фильтрующее устройство
US4571560A (en) * 1985-05-21 1986-02-18 Zenith Electronics Corporation Switched bandpass filter
US4682131A (en) * 1985-06-07 1987-07-21 Motorola Inc. High-Q RF filter with printed circuit board mounting temperature compensated and impedance matched helical resonators
JPS62233910A (ja) * 1986-04-02 1987-10-14 Toyo Commun Equip Co Ltd 2ポ−ト水晶共振器を用いたバンドパスフイルタ

Also Published As

Publication number Publication date
EP0396123B1 (en) 1998-01-07
DE69031881D1 (de) 1998-02-12
ES2112245T3 (es) 1998-04-01
JPH0812961B2 (ja) 1996-02-07
JPH0372701A (ja) 1991-03-27
FI98671C (fi) 1997-07-25
US5097236A (en) 1992-03-17
EP0396123A3 (en) 1990-12-12
DE69031881T2 (de) 1998-08-13
FI902185A0 (fi) 1990-05-02
EP0396123A2 (en) 1990-11-07
ATE162020T1 (de) 1998-01-15
DK0396123T3 (da) 1998-09-07

Similar Documents

Publication Publication Date Title
FI98671B (fi) Rinnankytketty moniasteinen kaistanpäästösuodatin
KR900007131A (ko) 유극형 유전체필터(有極型 誘電體 filter)
EP0377300A3 (en) Transversal and recursive filters
CA2089155A1 (en) Multi-stage monolithic ceramic bandstop filter with isolated filter stages
FR2509500B1 (fi)
EP0281371A3 (en) Band-pass filter
US4423394A (en) Multiple pole bandpass filter having monolithic crystal elements
GB1328275A (en) Polylithic bandpass filter having attenuation pole frequen cies in the lower stopband
JPS63308401A (ja) 同軸型分波器
MY131449A (en) Piezoelectric ceramic filter circuit and piezoelectric ceramic filter
JPS5662416A (en) Constituting method of ladder type ceramic filter
JPS6469102A (en) Comb-line dielectric filter
JPS6478001A (en) Polarization circuit for dielectric filter
ATE55847T1 (de) Bandsperre fuer kurze elektromagnetische wellen mit leitungselementen.
GB1424688A (en) Filters for electrical oscillations
RU1815698C (ru) Двухканальный фильтр
GB1499774A (en) Filter chain
SU792549A1 (ru) Пьезоэлектрический фильтр
TH2296EX (th) การจัดวงจรกรองเพื่อใช้ให้ระบบการทำสัญญาณ
GB1387028A (en) Microwave devices
JP2511981B2 (ja) 高周波フィルタ
JPS5453847A (en) Filter unit
JPS6454806A (en) Band-pass filter with variable band width
JPS56103516A (en) Variable attenuating circuit
JPS575422A (en) Transversal filter device

Legal Events

Date Code Title Description
BB Publication of examined application
FG Patent granted

Owner name: MURATA MANUFACTURING CO., LTD