FI991476A - Lågpassfilter - Google Patents

Lågpassfilter Download PDF

Info

Publication number
FI991476A
FI991476A FI991476A FI991476A FI991476A FI 991476 A FI991476 A FI 991476A FI 991476 A FI991476 A FI 991476A FI 991476 A FI991476 A FI 991476A FI 991476 A FI991476 A FI 991476A
Authority
FI
Finland
Prior art keywords
pass filter
low pass
low
filter
pass
Prior art date
Application number
FI991476A
Other languages
English (en)
Finnish (fi)
Other versions
FI991476A0 (sv
FI113577B (sv
Inventor
Erkki Niiranen
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 FI991476A priority Critical patent/FI113577B/sv
Publication of FI991476A0 publication Critical patent/FI991476A0/sv
Priority to EP00660118A priority patent/EP1067619A1/en
Priority to US09/605,908 priority patent/US6570472B1/en
Publication of FI991476A publication Critical patent/FI991476A/sv
Application granted granted Critical
Publication of FI113577B publication Critical patent/FI113577B/sv

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
    • H01P1/203—Strip line filters
    • H01P1/2039—Galvanic coupling between Input/Output

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
FI991476A 1999-06-29 1999-06-29 Lågpassfilter FI113577B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI991476A FI113577B (sv) 1999-06-29 1999-06-29 Lågpassfilter
EP00660118A EP1067619A1 (en) 1999-06-29 2000-06-27 Low-pass filter
US09/605,908 US6570472B1 (en) 1999-06-29 2000-06-28 Low-pass filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991476A FI113577B (sv) 1999-06-29 1999-06-29 Lågpassfilter
FI991476 1999-06-29

Publications (3)

Publication Number Publication Date
FI991476A0 FI991476A0 (sv) 1999-06-29
FI991476A true FI991476A (sv) 2000-12-30
FI113577B FI113577B (sv) 2004-05-14

Family

ID=8554980

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991476A FI113577B (sv) 1999-06-29 1999-06-29 Lågpassfilter

Country Status (3)

Country Link
US (1) US6570472B1 (sv)
EP (1) EP1067619A1 (sv)
FI (1) FI113577B (sv)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583165B2 (en) * 2005-02-07 2009-09-01 Tessera, Inc. High Q cavity resonators for microelectronics
US8198956B2 (en) * 2008-08-05 2012-06-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Compact planar microwave blocking filters
CN102083268A (zh) * 2009-08-07 2011-06-01 鸿富锦精密工业（深圳）有限公司 软性电路板
DE102011080411A1 (de) * 2011-08-04 2013-02-07 Rohde & Schwarz Gmbh & Co. Kg Überspannungsschutzvorrichtung mit Spulenanordnung
JP6365101B2 (ja) * 2014-08-12 2018-08-01 セイコーエプソン株式会社 液体吐出装置およびヘッドユニット
KR101628696B1 (ko) * 2014-10-28 2016-06-09 주식회사 케이엠더블유 캐비티 타입의 저대역 통과 필터
DE102015006739A1 (de) * 2015-05-22 2016-11-24 Kathrein-Austria Ges.M.B.H. Hochfrequenzleitersystem mit leitungsgebundener HF-Durchführung
WO2017113164A1 (zh) * 2015-12-30 2017-07-06 深圳市大富科技股份有限公司 一种腔体滤波器及通信射频器件
CN107615575B (zh) * 2015-12-31 2020-03-24 深圳市大富科技股份有限公司 腔体滤波器及其低通片和制作方法
CN113013563A (zh) * 2016-12-09 2021-06-22 华为技术有限公司 滤波装置
EP3451440A1 (en) * 2017-09-01 2019-03-06 Nokia Technologies Oy Radiofrequency filter
KR101939989B1 (ko) * 2018-08-01 2019-01-18 주식회사 엘트로닉스 고주파 필터
CN112599943B (zh) * 2020-11-16 2022-02-11 武汉凡谷电子技术股份有限公司 一种新型冲压卷制低通及其加工工艺
EP4068501A1 (en) 2021-03-30 2022-10-05 Nokia Solutions and Networks Oy A cavity filter element for a cavity filter
WO2023163004A1 (ja) * 2022-02-22 2023-08-31 ローム株式会社 分布定数回路

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2964718A (en) * 1955-03-21 1960-12-13 Cutler Hammer Inc Microwave circuits
US2922968A (en) * 1957-07-23 1960-01-26 Richard A Van Patten Strip line microwave filters
US3525954A (en) * 1968-07-29 1970-08-25 Microwave Dev Lab Inc Stepped digital filter
DE1926501C3 (de) * 1969-05-23 1975-07-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Tiefpaßfilter fur elektrische Schwingungen
US3693115A (en) * 1970-12-28 1972-09-19 American Electronic Lab Mechanical tunable bandpass filter
US3838368A (en) 1972-06-13 1974-09-24 Amana Refrigeration Inc Waveguide filter for microwave heating apparatus
US4233579A (en) * 1979-06-06 1980-11-11 Bell Telephone Laboratories, Incorporated Technique for suppressing spurious resonances in strip transmission line circuits
FR2496996A1 (fr) * 1980-12-18 1982-06-25 Thomson Csf Ligne de transmission hyperfrequence, du type triplaque a air et ses utilisations
FI87405C (sv) 1990-02-07 1992-12-28 Lk Products Oy Högfrekvensfilter
FI87854C (sv) * 1991-04-12 1993-02-25 Lk Products Oy Förfarande för att tillverka ett högfrekvensfilter samt högfrekvensfil ter tillverkat enligt förfarandet
JPH05206706A (ja) * 1992-01-30 1993-08-13 Reader Denshi Kk インターデジタル型バンドパスフィルタ
SE508680C2 (sv) * 1996-06-19 1998-10-26 Ericsson Telefon Ab L M Integrerade filter
FR2753301B1 (fr) 1996-09-09 1998-10-09 Alcatel Cable Dispositif de transport de signal electrique protege contre les perturbations electromagnetiques
FI106584B (sv) * 1997-02-07 2001-02-28 Filtronic Lk Oy Högfrekvensfilter

Also Published As

Publication number Publication date
EP1067619A1 (en) 2001-01-10
US6570472B1 (en) 2003-05-27
FI991476A0 (sv) 1999-06-29
FI113577B (sv) 2004-05-14

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Owner name: FILTRONIC COMTEK OY

Free format text: FILTRONIC COMTEK OY