DE69711979D1 - Dielektrisches Filter - Google Patents

Dielektrisches Filter

Info

Publication number
DE69711979D1
DE69711979D1 DE69711979T DE69711979T DE69711979D1 DE 69711979 D1 DE69711979 D1 DE 69711979D1 DE 69711979 T DE69711979 T DE 69711979T DE 69711979 T DE69711979 T DE 69711979T DE 69711979 D1 DE69711979 D1 DE 69711979D1
Authority
DE
Germany
Prior art keywords
dielectric filter
dielectric
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
DE69711979T
Other languages
English (en)
Other versions
DE69711979T2 (de
Inventor
Seigo Hino
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co Ltd
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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Publication of DE69711979D1 publication Critical patent/DE69711979D1/de
Application granted granted Critical
Publication of DE69711979T2 publication Critical patent/DE69711979T2/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
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
    • 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
    • H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DE69711979T 1996-05-23 1997-05-22 Dielektrisches Filter Expired - Fee Related DE69711979T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8153476A JPH09312506A (ja) 1996-05-23 1996-05-23 誘電体フィルタ

Publications (2)

Publication Number Publication Date
DE69711979D1 true DE69711979D1 (de) 2002-05-23
DE69711979T2 DE69711979T2 (de) 2002-10-10

Family

ID=15563415

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69711979T Expired - Fee Related DE69711979T2 (de) 1996-05-23 1997-05-22 Dielektrisches Filter

Country Status (4)

Country Link
US (1) US5864264A (de)
EP (1) EP0809315B1 (de)
JP (1) JPH09312506A (de)
DE (1) DE69711979T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE280441T1 (de) 1998-03-18 2004-11-15 Epcos Ag Mikrowellen-keramikfilter mit verbesserter flankensteilheit
TW406467B (en) * 1998-07-08 2000-09-21 Samsung Electro Mech Dielectric filter
US6169465B1 (en) 1998-07-08 2001-01-02 Samsung Electro-Mechanics Co., Ltd. Duplexer dielectric filter
AT411119B (de) * 1998-07-08 2003-09-25 Samsung Electro Mech Dielektrisches duplexsystem-filter
JP3387422B2 (ja) * 1998-08-25 2003-03-17 株式会社村田製作所 アンテナ共用器及び通信機装置
JP3468143B2 (ja) * 1999-01-28 2003-11-17 株式会社村田製作所 誘電体フィルタ、誘電体ディプレクサおよび通信機
EP1087457B1 (de) 1999-09-24 2006-12-13 Ngk Spark Plug Co., Ltd. Dielektrisches Filter und dessen Herstellungsverfahren
US6724279B1 (en) * 2000-10-03 2004-04-20 Ube Electronics, Ltd. Duplexer filter with offset resonator holes
US6559735B1 (en) * 2000-10-31 2003-05-06 Cts Corporation Duplexer filter with an alternative signal path
JP2002252503A (ja) * 2000-12-19 2002-09-06 Murata Mfg Co Ltd 誘電体フィルタ、誘電体デュプレクサおよび通信装置
JP2002344204A (ja) * 2001-03-15 2002-11-29 Murata Mfg Co Ltd 誘電体フィルタ、誘電体デュプレクサおよび通信装置
JP2003087010A (ja) * 2001-09-06 2003-03-20 Ngk Spark Plug Co Ltd 誘電体デュプレクサ
US6650202B2 (en) * 2001-11-03 2003-11-18 Cts Corporation Ceramic RF filter having improved third harmonic response
US20040183626A1 (en) * 2003-02-05 2004-09-23 Qinghua Kang Electronically tunable block filter with tunable transmission zeros
DE10313336A1 (de) * 2003-03-25 2004-11-18 Epcos Ag Mikrowellenkeramik-Filter mit verbesserter Ankopplung und Verfahren zur Herstellung
US7545240B2 (en) * 2005-05-24 2009-06-09 Cts Corporation Filter with multiple shunt zeros
US7714680B2 (en) * 2006-05-31 2010-05-11 Cts Corporation Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60114004A (ja) * 1983-11-25 1985-06-20 Murata Mfg Co Ltd 誘電体フィルタの実装構造
JPS61208902A (ja) * 1985-03-13 1986-09-17 Murata Mfg Co Ltd Ｍｉｃ型誘電体フイルタ
US4716391A (en) * 1986-07-25 1987-12-29 Motorola, Inc. Multiple resonator component-mountable filter
JPS63306701A (ja) * 1987-06-08 1988-12-14 Fuji Elelctrochem Co Ltd 誘電体フィルタ
US4879533A (en) * 1988-04-01 1989-11-07 Motorola, Inc. Surface mount filter with integral transmission line connection
US4896124A (en) * 1988-10-31 1990-01-23 Motorola, Inc. Ceramic filter having integral phase shifting network
JPH02130103U (de) * 1988-11-16 1990-10-26
JPH03236603A (ja) * 1990-02-14 1991-10-22 Oki Electric Ind Co Ltd 誘電体フィルタ
JPH0495401A (ja) * 1990-08-10 1992-03-27 Murata Mfg Co Ltd 有極型誘電体フィルタ
US5045824A (en) * 1990-09-04 1991-09-03 Motorola, Inc. Dielectric filter construction
JPH0522002A (ja) * 1991-07-15 1993-01-29 Fuji Elelctrochem Co Ltd 誘電体フイルタ
US5177458A (en) * 1991-07-31 1993-01-05 Motorola, Inc. Dielectric filter construction having notched mounting surface
US5250916A (en) * 1992-04-30 1993-10-05 Motorola, Inc. Multi-passband dielectric filter construction having filter portions with dissimilarly-sized resonators
DE69325525T2 (de) * 1992-01-23 1999-12-23 Murata Manufacturing Co Dielektrisches Filter und Herstellungsverfahren dafür
DE4229165C2 (de) * 1992-09-01 1995-11-02 Siemens Matsushita Components Keramik-Koaxialresonator
US5499004A (en) * 1993-03-12 1996-03-12 Matsushita Electric Industrial Co., Ltd. Dielectric filter having interstage coupling using adjacent electrodes

Also Published As

Publication number Publication date
EP0809315B1 (de) 2002-04-17
DE69711979T2 (de) 2002-10-10
US5864264A (en) 1999-01-26
EP0809315A1 (de) 1997-11-26
JPH09312506A (ja) 1997-12-02

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Legal Events

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