GB2273393B - Multi-passband,dielectric filter construction - Google Patents

Multi-passband,dielectric filter construction

Info

Publication number
GB2273393B
GB2273393B GB9400899A GB9400899A GB2273393B GB 2273393 B GB2273393 B GB 2273393B GB 9400899 A GB9400899 A GB 9400899A GB 9400899 A GB9400899 A GB 9400899A GB 2273393 B GB2273393 B GB 2273393B
Authority
GB
United Kingdom
Prior art keywords
passband
dielectric filter
filter construction
construction
dielectric
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 - Lifetime
Application number
GB9400899A
Other languages
English (en)
Other versions
GB2273393A (en
GB9400899D0 (en
Inventor
Darioush Agahi-Kesheh
Zdravko M Zakman
Robert Kenoun
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of GB9400899D0 publication Critical patent/GB9400899D0/en
Publication of GB2273393A publication Critical patent/GB2273393A/en
Application granted granted Critical
Publication of GB2273393B publication Critical patent/GB2273393B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01P1/205—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)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
GB9400899A 1992-05-26 1993-04-19 Multi-passband,dielectric filter construction Expired - Lifetime GB2273393B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88808992A 1992-05-26 1992-05-26
PCT/US1993/003693 WO1993024968A1 (en) 1992-05-26 1993-04-19 Multi-passband, dielectric filter construction

Publications (3)

Publication Number Publication Date
GB9400899D0 GB9400899D0 (en) 1994-04-13
GB2273393A GB2273393A (en) 1994-06-15
GB2273393B true GB2273393B (en) 1996-09-04

Family

ID=25392506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9400899A Expired - Lifetime GB2273393B (en) 1992-05-26 1993-04-19 Multi-passband,dielectric filter construction

Country Status (9)

Country Link
JP (1) JP3205337B2 (it)
KR (1) KR970000059B1 (it)
CN (1) CN1029340C (it)
CA (1) CA2114029C (it)
FI (1) FI940399A (it)
FR (1) FR2693037B1 (it)
GB (1) GB2273393B (it)
IT (1) IT1261678B (it)
WO (1) WO1993024968A1 (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4319241A1 (de) * 1993-06-09 1994-12-15 Siemens Matsushita Components Monolithisches Mikrowellen-Keramikfilter
US5502422A (en) * 1994-08-12 1996-03-26 Motorola, Inc. Filter with an adjustable shunt zero
US5748058A (en) * 1995-02-03 1998-05-05 Teledyne Industries, Inc. Cross coupled bandpass filter
JP3158963B2 (ja) * 1995-05-31 2001-04-23 株式会社村田製作所 アンテナ共用器
JPH10308604A (ja) * 1997-03-05 1998-11-17 Murata Mfg Co Ltd 誘電体フィルタ、誘電体デュプレクサおよびそれらの設計方法
US6087909A (en) * 1996-03-06 2000-07-11 Murata Manufacturing Co., Ltd. Dielectric filter having at least one stepped resonator hole with an elongated cross-section
ATE280441T1 (de) * 1998-03-18 2004-11-15 Epcos Ag Mikrowellen-keramikfilter mit verbesserter flankensteilheit
JPH11312902A (ja) * 1998-04-30 1999-11-09 Murata Mfg Co Ltd 誘電体フィルタ、送受共用器および通信機
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
KR100375583B1 (ko) * 2000-11-18 2003-03-15 센티스 주식회사 고차모드 고조파의 제거 및 스커트와 스푸리어스주파수특성을 향상시킨 유전체 필터 및 듀플렉서 유전체필터
JP3788384B2 (ja) * 2001-05-30 2006-06-21 株式会社村田製作所 誘電体フィルタ、誘電体デュプレクサ、および通信装置
JP2003318606A (ja) 2002-04-23 2003-11-07 Sanyo Electric Co Ltd 誘電体フィルタ
JP3883902B2 (ja) 2002-04-25 2007-02-21 三洋電機株式会社 誘電体フィルタ
US9202660B2 (en) 2013-03-13 2015-12-01 Teledyne Wireless, Llc Asymmetrical slow wave structures to eliminate backward wave oscillations in wideband traveling wave tubes
CN103246538B (zh) * 2013-05-16 2016-12-28 中国电子科技集团公司第四十一研究所 使微波仪器电路板智能化的插件方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733208A (en) * 1984-08-21 1988-03-22 Murata Manufacturing Co., Ltd. Dielectric filter having impedance changing means coupling adjacent resonators
US4742562A (en) * 1984-09-27 1988-05-03 Motorola, Inc. Single-block dual-passband ceramic filter useable with a transceiver
US4879533A (en) * 1988-04-01 1989-11-07 Motorola, Inc. Surface mount filter with integral transmission line connection
US4954796A (en) * 1986-07-25 1990-09-04 Motorola, Inc. Multiple resonator dielectric filter
WO1993014532A1 (en) * 1992-01-21 1993-07-22 Motorola, Inc. Dielectric filter construction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01213002A (ja) * 1988-02-22 1989-08-25 Fuji Elelctrochem Co Ltd 誘電体分波器
US5109536A (en) * 1989-10-27 1992-04-28 Motorola, Inc. Single-block filter for antenna duplexing and antenna-summed diversity

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733208A (en) * 1984-08-21 1988-03-22 Murata Manufacturing Co., Ltd. Dielectric filter having impedance changing means coupling adjacent resonators
US4742562A (en) * 1984-09-27 1988-05-03 Motorola, Inc. Single-block dual-passband ceramic filter useable with a transceiver
US4954796A (en) * 1986-07-25 1990-09-04 Motorola, Inc. Multiple resonator dielectric filter
US4879533A (en) * 1988-04-01 1989-11-07 Motorola, Inc. Surface mount filter with integral transmission line connection
WO1993014532A1 (en) * 1992-01-21 1993-07-22 Motorola, Inc. Dielectric filter construction

Also Published As

Publication number Publication date
ITRM930345A1 (it) 1994-11-24
CN1082773A (zh) 1994-02-23
KR970000059B1 (ko) 1997-01-04
FI940399A0 (fi) 1994-01-26
FI940399A (fi) 1994-01-26
IT1261678B (it) 1996-05-29
GB2273393A (en) 1994-06-15
FR2693037B1 (fr) 1995-08-04
GB9400899D0 (en) 1994-04-13
WO1993024968A1 (en) 1993-12-09
JP3205337B2 (ja) 2001-09-04
JPH06509693A (ja) 1994-10-27
CA2114029C (en) 1997-11-18
ITRM930345A0 (it) 1993-05-24
CA2114029A1 (en) 1993-12-09
FR2693037A1 (fr) 1993-12-31
CN1029340C (zh) 1995-07-12

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20130418