CA1138539A - Filter for microwaves - Google Patents

Filter for microwaves

Info

Publication number
CA1138539A
CA1138539A CA000349028A CA349028A CA1138539A CA 1138539 A CA1138539 A CA 1138539A CA 000349028 A CA000349028 A CA 000349028A CA 349028 A CA349028 A CA 349028A CA 1138539 A CA1138539 A CA 1138539A
Authority
CA
Canada
Prior art keywords
cap
microwave filter
resonator
trimming
hole
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
CA000349028A
Other languages
English (en)
French (fr)
Inventor
Mitsuo Sekiguchi
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Application granted granted Critical
Publication of CA1138539A publication Critical patent/CA1138539A/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)
CA000349028A 1979-04-09 1980-04-02 Filter for microwaves Expired CA1138539A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP46762/79 1979-04-09
JP1979046762U JPS55146701U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-04-09 1979-04-09

Publications (1)

Publication Number Publication Date
CA1138539A true CA1138539A (en) 1982-12-28

Family

ID=12756337

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000349028A Expired CA1138539A (en) 1979-04-09 1980-04-02 Filter for microwaves

Country Status (4)

Country Link
US (1) US4320368A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS55146701U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1138539A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3012820C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3530676A1 (de) * 1985-08-28 1987-03-12 Licentia Gmbh Mehrkreisiges filter zur frequenzselektion insbesondere fuer den millimeterwellenbereich und verfahren zur filterherstellung
US5406233A (en) * 1991-02-08 1995-04-11 Massachusetts Institute Of Technology Tunable stripline devices
US6559740B1 (en) 2001-12-18 2003-05-06 Delta Microwave, Inc. Tunable, cross-coupled, bandpass filter
GB2540007A (en) * 2015-04-28 2017-01-04 Rhodes David A tuneable microwave filter and a tuneable microwave multiplexer
WO2023275844A1 (en) * 2021-07-02 2023-01-05 Thales Alenia Space Italia S.P.A. Con Unico Socio Fully-reconfigurable coaxial filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273083A (en) * 1964-04-14 1966-09-13 Motorola Inc Frequency responsive device
US4037182A (en) * 1976-09-03 1977-07-19 Hughes Aircraft Company Microwave tuning device
US4216488A (en) * 1978-07-31 1980-08-05 Hutson Jearld L Lateral semiconductor diac
JPS5827526Y2 (ja) * 1978-08-02 1983-06-15 アルプス電気株式会社 マイクロ波用フイルタ
JPS5924167Y2 (ja) * 1978-12-28 1984-07-18 アルプス電気株式会社 マイクロ波用フイルタ

Also Published As

Publication number Publication date
DE3012820C2 (de) 1984-06-07
DE3012820A1 (de) 1980-10-30
US4320368A (en) 1982-03-16
JPS55146701U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-10-22

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