DE58905789D1 - Hochfrequenz-bandpassfilter. - Google Patents

Hochfrequenz-bandpassfilter.

Info

Publication number
DE58905789D1
DE58905789D1 DE89908824T DE58905789T DE58905789D1 DE 58905789 D1 DE58905789 D1 DE 58905789D1 DE 89908824 T DE89908824 T DE 89908824T DE 58905789 T DE58905789 T DE 58905789T DE 58905789 D1 DE58905789 D1 DE 58905789D1
Authority
DE
Germany
Prior art keywords
high frequency
frequency band
pass filter
band pass
filter
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.)
Expired - Fee Related
Application number
DE89908824T
Other languages
English (en)
Inventor
Dieter Seitzer
Thomas Brockdorff
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Application granted granted Critical
Publication of DE58905789D1 publication Critical patent/DE58905789D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20354—Non-comb or non-interdigital filters
    • H01P1/20363—Linear resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DE89908824T 1988-10-18 1989-08-01 Hochfrequenz-bandpassfilter. Expired - Fee Related DE58905789D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3835480A DE3835480A1 (de) 1988-10-18 1988-10-18 Hochfrequenz-bandpassfilter
PCT/EP1989/000902 WO1990004861A1 (de) 1988-10-18 1989-08-01 Hochfrequenz-bandpassfilter

Publications (1)

Publication Number Publication Date
DE58905789D1 true DE58905789D1 (de) 1993-11-04

Family

ID=6365389

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3835480A Withdrawn DE3835480A1 (de) 1988-10-18 1988-10-18 Hochfrequenz-bandpassfilter
DE89908824T Expired - Fee Related DE58905789D1 (de) 1988-10-18 1989-08-01 Hochfrequenz-bandpassfilter.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3835480A Withdrawn DE3835480A1 (de) 1988-10-18 1988-10-18 Hochfrequenz-bandpassfilter

Country Status (4)

Country Link
US (1) US5136269A (de)
EP (1) EP0440661B1 (de)
DE (2) DE3835480A1 (de)
WO (1) WO1990004861A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246670B (en) * 1990-08-03 1995-04-12 Mohammad Reza Moazzam Microstrip coupled lines filters with improved performance
DE4213195C2 (de) * 1992-04-22 1995-01-19 Rohde & Schwarz Mehrkreisiges Leitungsfilter
EP0600118B1 (de) * 1992-12-01 1998-05-27 Siemens Aktiengesellschaft Spannungsgesteuerter Mikrowellen-Oszillator
US5442330A (en) * 1993-12-27 1995-08-15 Motorola, Inc. Coupled line filter with improved out-of-band rejection
KR20010094784A (ko) * 2000-04-06 2001-11-03 윤종용 커패시터 보상회로를 갖는 콤라인 구조의 무선필터
KR100392682B1 (ko) * 2001-02-26 2003-07-28 삼성전자주식회사 주파수 차단회로를 가지는 콤라인 구조의 무선필터 및 그구현 방법
JP2005117433A (ja) * 2003-10-08 2005-04-28 Eudyna Devices Inc フィルタ
JP4230467B2 (ja) * 2005-02-25 2009-02-25 日本電波工業株式会社 コプレーナライン型の共振器を用いた高周波フィルタ
KR100675393B1 (ko) * 2005-02-25 2007-01-29 삼성전자주식회사 집중소자 커패시터와 접지를 이용하여 소형화한 평행결합선로 필터 및 그 제조방법
JP4720907B2 (ja) * 2006-09-28 2011-07-13 株式会社村田製作所 誘電体フィルタ、チップ素子、およびチップ素子製造方法
JP5464864B2 (ja) * 2009-02-25 2014-04-09 京セラ株式会社 フィルタ回路ならびにそれを用いた無線通信モジュールおよび無線通信機器
JP5936133B2 (ja) * 2011-01-28 2016-06-15 国立大学法人電気通信大学 伝送線路共振器並びに伝送線路共振器を用いた帯域通過フィルタ、分波器、平衡−不平衡変換器、電力分配器、不平衡−平衡変換器、周波数混合器及びバランス型フィルタ
US10249582B2 (en) * 2016-12-19 2019-04-02 Nxp Usa, Inc. Radio frequency (RF) devices with resonant circuits to reduce coupling
US10581132B2 (en) * 2017-05-11 2020-03-03 Eagantu Ltd. Tuneable band pass filter
US10454148B2 (en) 2017-05-11 2019-10-22 Eagantu Ltd. Compact band pass filter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1358980A (en) * 1971-06-15 1974-07-03 Ferranti Ltd Microwave filters
FR2510326A1 (fr) * 1981-07-24 1983-01-28 Thomson Csf Filtre passe-bande a resonateurs lineaires ouverts a leurs deux extremites
FR2540294B1 (fr) * 1983-01-31 1985-10-04 Thomson Csf Filtre hyperfrequence a resonateurs lineaires
JPS61177001A (ja) * 1985-01-31 1986-08-08 Maspro Denkoh Corp マイクロ波フイルタ
FR2613538A1 (fr) * 1987-03-31 1988-10-07 Thomson Csf Filtre hyperfrequence
FR2613557A1 (fr) * 1987-03-31 1988-10-07 Thomson Csf Filtre comportant des elements a constantes reparties associant deux types de couplage
JPH02146801A (ja) * 1988-11-28 1990-06-06 Fujitsu Ltd 中心周波数可変帯域通過フィルタ

Also Published As

Publication number Publication date
EP0440661A1 (de) 1991-08-14
US5136269A (en) 1992-08-04
EP0440661B1 (de) 1993-09-29
WO1990004861A1 (de) 1990-05-03
DE3835480A1 (de) 1990-04-19

Similar Documents

Publication Publication Date Title
DE69320521T2 (de) Tiefpass-Hochfrequenzfilter
DE68908804T2 (de) Bandanordnung.
FI890129A0 (fi) Intravenoest filter.
NO890378L (no) Senterfrekvent hoeyopploesnings digital faselaast sloeyfe.
DE3689047D1 (de) Bandfilter.
DE68918918D1 (de) Mikrowellenfilter.
FI902202A0 (fi) Foerfarande foer framstaellning av filter medelst laserbehandling och en foer detta avsedd anordning.
DE58905789D1 (de) Hochfrequenz-bandpassfilter.
DE68905655T2 (de) Filter.
DE69121549T2 (de) Bandpassfilter
FI885457A0 (fi) Kaistanpäästösuodatinpiirikokoonpano
DE3874882D1 (de) Modenselektives bandpassfilter.
FI893966A (fi) Slitstarkt band och foerfarande foer framstaellning av detta.
DE58903754D1 (de) Oberflaechenwellenfilter.
FI903239A0 (fi) Band foer saekerhetsbaelte.
DE3867885D1 (de) Digitales zwischenfrequenzfilter.
TR24998A (tr) Hiperfrekans dalgalarini yönlendiren band eliminatör filtresi.
FI864502A0 (fi) Filterbandpress.
FI890332A0 (fi) Oeppen kassett och foerfarande foer spolning av band daerpao.
AT388264B (de) Bandpassfilter
IT216161Z2 (it) Filtro.
FI892855A0 (fi) Bandpassfilter.
FI892856A0 (fi) Bandpassfilter.
FI891143A0 (fi) Foerfarande foer framstaellning av band.
FI900706A0 (fi) Matningssystem foer band.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee