CA1130401A - Microwave filter having means for capacitive interstage coupling between transmission lines - Google Patents

Microwave filter having means for capacitive interstage coupling between transmission lines

Info

Publication number
CA1130401A
CA1130401A CA334,905A CA334905A CA1130401A CA 1130401 A CA1130401 A CA 1130401A CA 334905 A CA334905 A CA 334905A CA 1130401 A CA1130401 A CA 1130401A
Authority
CA
Canada
Prior art keywords
microwave
transmission lines
conductive
dielectric member
walls
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
Application number
CA334,905A
Other languages
English (en)
French (fr)
Inventor
Mitsuo Makimoto
Sadahiko Yamashita
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1130401A publication Critical patent/CA1130401A/en
Expired 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
    • H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
CA334,905A 1978-09-04 1979-08-31 Microwave filter having means for capacitive interstage coupling between transmission lines Expired CA1130401A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10900378A JPS5535560A (en) 1978-09-04 1978-09-04 Coaxial type filter
JP53-109003 1978-09-04

Publications (1)

Publication Number Publication Date
CA1130401A true CA1130401A (en) 1982-08-24

Family

ID=14499095

Family Applications (1)

Application Number Title Priority Date Filing Date
CA334,905A Expired CA1130401A (en) 1978-09-04 1979-08-31 Microwave filter having means for capacitive interstage coupling between transmission lines

Country Status (6)

Country Link
US (1) US4268809A (en, 2012)
EP (1) EP0008790B1 (en, 2012)
JP (1) JPS5535560A (en, 2012)
CA (1) CA1130401A (en, 2012)
DE (1) DE2962518D1 (en, 2012)
DK (1) DK156345C (en, 2012)

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JPS57124902A (en) * 1981-01-26 1982-08-04 Toyo Commun Equip Co Ltd Filter for semicoaxial cavity resonator
JPS57136802A (en) * 1981-02-17 1982-08-24 Matsushita Electric Ind Co Ltd Coaxial filter
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USRE32768E (en) * 1982-02-16 1988-10-18 Motorola, Inc. Ceramic bandstop filter
US4426631A (en) 1982-02-16 1984-01-17 Motorola, Inc. Ceramic bandstop filter
US4462098A (en) * 1982-02-16 1984-07-24 Motorola, Inc. Radio frequency signal combining/sorting apparatus
JPS58161501A (ja) * 1982-03-19 1983-09-26 Matsushita Electric Ind Co Ltd 帯域「ろ」波器
JPS58194402A (ja) * 1982-05-10 1983-11-12 Oki Electric Ind Co Ltd 誘電体フイルタ
JPS58178701U (ja) * 1982-05-25 1983-11-30 ティーディーケイ株式会社 誘電体フイルタ
GB8305411D0 (en) * 1983-02-26 1983-03-30 Lucas Ind Plc Microwave filter
JPS59187203U (ja) * 1983-05-27 1984-12-12 株式会社村田製作所 誘電体同軸共振器の結合構造
FR2552601B1 (fr) * 1983-09-27 1988-10-14 Thomson Csf Filtre miniature hyperfrequence a resonateurs constitues par des circuits bouchons, couples par des condensateurs
JPS6061802U (ja) * 1983-10-05 1985-04-30 ティーディーケイ株式会社 誘電体フイルタ
US4593460A (en) * 1983-12-30 1986-06-10 Motorola, Inc. Method to achieve a desired bandwidth at a given frequency in a dielectric resonator filter
US4568894A (en) * 1983-12-30 1986-02-04 Motorola, Inc. Dielectric resonator filter to achieve a desired bandwidth characteristic
US4559490A (en) * 1983-12-30 1985-12-17 Motorola, Inc. Method for maintaining constant bandwidth over a frequency spectrum in a dielectric resonator filter
JPS6062701A (ja) * 1984-05-04 1985-04-10 Matsushita Electric Ind Co Ltd 同軸型濾波器
JPS6164703U (en, 2012) * 1984-10-02 1986-05-02
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US4757288A (en) * 1987-02-25 1988-07-12 Rockwell International Corporation Ceramic TEM bandstop filters
US4721932A (en) * 1987-02-25 1988-01-26 Rockwell International Corporation Ceramic TEM resonator bandpass filters with varactor tuning
US4745379A (en) * 1987-02-25 1988-05-17 Rockwell International Corp. Launcher-less and lumped capacitor-less ceramic comb-line filters
US5028896A (en) * 1987-11-23 1991-07-02 Solitra Oy Stripline circuit
US4879533A (en) * 1988-04-01 1989-11-07 Motorola, Inc. Surface mount filter with integral transmission line connection
JPH0644681B2 (ja) * 1988-11-21 1994-06-08 国際電気株式会社 帯域阻止フィルタ
JPH02150808U (en, 2012) * 1989-05-22 1990-12-27
GB2247125B (en) * 1990-08-16 1995-01-11 Technophone Ltd Tunable bandpass filter
JP2603365B2 (ja) * 1990-10-31 1997-04-23 宇部興産株式会社 誘電体フィルタの結合構造
US5214398A (en) * 1990-10-31 1993-05-25 Ube Industries, Ltd. Dielectric filter coupling structure having a compact terminal arrangement
FI89429C (fi) * 1991-01-11 1993-09-27 Solitra Oy Duplex-filter
FI88830C (fi) * 1991-05-24 1993-07-12 Telenokia Oy Comb-line-hoegfrekvensfilter
GB2269705B (en) * 1992-08-15 1996-05-29 Racal Mesl Ltd Electrical filter
CN1111923C (zh) * 1994-03-31 2003-06-18 日本电业工作株式会社 谐振器和应用该谐振器的滤波器
US5666093A (en) * 1995-08-11 1997-09-09 D'ostilio; James Phillip Mechanically tunable ceramic bandpass filter having moveable tabs
EP1312132A1 (en) * 2000-08-22 2003-05-21 Paratek Microwave, Inc. Combline filters with tunable dielectric capacitors
US20070119496A1 (en) * 2005-11-30 2007-05-31 Massachusetts Institute Of Technology Photovoltaic cell
US7965251B2 (en) * 2006-09-20 2011-06-21 Alcatel-Lucent Usa Inc. Resonant cavities and method of manufacturing such cavities
US8324989B2 (en) * 2006-09-20 2012-12-04 Alcatel Lucent Re-entrant resonant cavities and method of manufacturing such cavities
GB0721361D0 (en) * 2007-10-30 2007-12-12 Radio Design Ltd Tunable filter
US20090235974A1 (en) * 2008-01-14 2009-09-24 Massachusetts Institute Of Technology Solar concentrator and devices and methods using them
US20100139749A1 (en) * 2009-01-22 2010-06-10 Covalent Solar, Inc. Solar concentrators and materials for use therein
US8230564B1 (en) 2010-01-29 2012-07-31 The United States Of America As Represented By The Secretary Of The Air Force Method of making a millimeter wave transmission line filter
US9203451B2 (en) * 2011-12-14 2015-12-01 Infineon Technologies Ag System and method for an RF receiver
DE102012022433A1 (de) * 2012-11-15 2014-05-15 Kathrein-Austria Gmbh Hochfrequenzfilter
DE102014001917A1 (de) 2014-02-13 2015-08-13 Kathrein-Werke Kg Hochfrequenzfilter in koaxialer Bauweise
WO2016106551A1 (zh) * 2014-12-30 2016-07-07 深圳市大富科技股份有限公司 腔体滤波器及具有该腔体滤波器的射频拉远设备、信号收发装置和塔顶放大器
WO2016106550A1 (zh) * 2014-12-30 2016-07-07 深圳市大富科技股份有限公司 腔体滤波器及具有该腔体滤波器的射频拉远设备、信号收发装置和塔顶放大器
KR101756124B1 (ko) * 2015-11-30 2017-07-11 주식회사 케이엠더블유 크로스 커플링 노치 구조를 구비한 캐비티 타입의 무선 주파수 필터
CN108370077A (zh) 2015-12-04 2018-08-03 瑞典爱立信有限公司 具有介质盘的同轴谐振器
EP4070408A1 (en) * 2019-12-04 2022-10-12 CommScope Italy S.r.l. Radio frequency filters having a circuit board with multiple resonator heads, and resonator heads having multiple arms
IT202000021256A1 (it) * 2020-09-08 2022-03-08 Commscope Italy Srl Filtri a radiofrequenza con scheda a circuito con teste risonatori multiple e teste risonatori con bracci multipli
CN113540724B (zh) * 2021-08-30 2025-05-09 苏州波发特电子科技有限公司 一种低频滤波器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB863992A (en) * 1958-02-07 1961-03-29 Ass Elect Ind Improvements relating to magnetrons
US3273083A (en) * 1964-04-14 1966-09-13 Motorola Inc Frequency responsive device
US4151494A (en) * 1976-02-10 1979-04-24 Murata Manufacturing Co., Ltd. Electrical filter
US4100504A (en) * 1977-06-20 1978-07-11 Harris Corporation Band rejection filter having integrated impedance inverter-tune cavity configuration
CA1128152A (en) * 1978-05-13 1982-07-20 Takuro Sato High frequency filter

Also Published As

Publication number Publication date
JPS6222281B2 (en, 2012) 1987-05-18
DK156345B (da) 1989-08-07
JPS5535560A (en) 1980-03-12
EP0008790B1 (en) 1982-04-14
DK363579A (da) 1980-03-05
DK156345C (da) 1989-12-27
EP0008790A1 (en) 1980-03-19
US4268809A (en) 1981-05-19
DE2962518D1 (en) 1982-05-27

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