AU1398492A - Adjustable ceramic filter and method for tuning it - Google Patents

Adjustable ceramic filter and method for tuning it

Info

Publication number
AU1398492A
AU1398492A AU13984/92A AU1398492A AU1398492A AU 1398492 A AU1398492 A AU 1398492A AU 13984/92 A AU13984/92 A AU 13984/92A AU 1398492 A AU1398492 A AU 1398492A AU 1398492 A AU1398492 A AU 1398492A
Authority
AU
Australia
Prior art keywords
tuning
ceramic filter
adjustable ceramic
adjustable
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.)
Abandoned
Application number
AU13984/92A
Other languages
English (en)
Inventor
Pauli Nappa
Keijo Salonen
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.)
Pulse Finland Oy
Original Assignee
LK Products Oy
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 LK Products Oy filed Critical LK Products Oy
Publication of AU1398492A publication Critical patent/AU1398492A/en
Abandoned 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)
AU13984/92A 1991-04-12 1992-04-02 Adjustable ceramic filter and method for tuning it Abandoned AU1398492A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI911795A FI87852C (fi) 1991-04-12 1991-04-12 Avstaembart keramiskt filter och foerfarande foer dess avstaemning
FI911795 1991-04-12

Publications (1)

Publication Number Publication Date
AU1398492A true AU1398492A (en) 1992-10-15

Family

ID=8532314

Family Applications (1)

Application Number Title Priority Date Filing Date
AU13984/92A Abandoned AU1398492A (en) 1991-04-12 1992-04-02 Adjustable ceramic filter and method for tuning it

Country Status (5)

Country Link
EP (1) EP0508733A3 (fi)
JP (1) JPH0661704A (fi)
AU (1) AU1398492A (fi)
CA (1) CA2065714A1 (fi)
FI (1) FI87852C (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95087C (fi) * 1994-01-18 1995-12-11 Lk Products Oy Dielektrisen resonaattorin taajuuden säätö
US5420554A (en) * 1994-03-30 1995-05-30 Motorola, Inc. Method and apparatus for adjusting a resonant frequency of a transmission line resonator assembly
JP3147681B2 (ja) * 1994-11-11 2001-03-19 株式会社村田製作所 アンテナ装置
US5666093A (en) * 1995-08-11 1997-09-09 D'ostilio; James Phillip Mechanically tunable ceramic bandpass filter having moveable tabs
US5745018A (en) * 1996-07-09 1998-04-28 Motorola Inc. Ceramic filter with a coplanar shield
JP2002299907A (ja) * 2001-03-29 2002-10-11 Tdk Corp シールド板及びこれが装着された誘電体フィルタ
WO2013093976A1 (en) * 2011-12-22 2013-06-27 Nec Corporation Tunable resonant elements and filter based on these elements
KR101869757B1 (ko) 2012-02-27 2018-06-21 주식회사 케이엠더블유 캐비티 구조를 가진 무선 주파수 필터
KR101693214B1 (ko) * 2014-10-28 2017-01-05 주식회사 케이엠더블유 캐비티 구조를 가진 무선 주파수 필터
GB201613108D0 (en) * 2016-07-29 2016-09-14 Radio Design Ltd Filter apparatus and method of use thereof
US10454149B2 (en) 2016-11-08 2019-10-22 LDS Innovations LLC Tuning and measurement fixtures for ceramic filters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1496177A (fr) * 1966-08-09 1967-09-29 Nippon Electric Co Filtre d'onde à haute fréquence
JPS59139701A (ja) * 1983-01-30 1984-08-10 Nippon Dengiyou Kosaku Kk コムライン型帯域通過ろ波器
GB2165098B (en) * 1984-09-27 1988-05-25 Motorola Inc Radio frequency filters
JPS62168413A (ja) * 1986-01-20 1987-07-24 Sanyo Electric Co Ltd チユ−ナの複同調回路
JPS63187902A (ja) * 1987-01-30 1988-08-03 Murata Mfg Co Ltd 一体成型誘電体共振器の結合調整機構
FI78580C (fi) * 1987-11-23 1989-08-10 Solitra Oy Mikrobandkrets och foerfarandet att reglera dess egenskaper.

Also Published As

Publication number Publication date
JPH0661704A (ja) 1994-03-04
CA2065714A1 (en) 1992-10-13
EP0508733A3 (en) 1993-01-13
FI911795A0 (fi) 1991-04-12
FI87852B (fi) 1992-11-13
FI87852C (fi) 1993-02-25
EP0508733A2 (en) 1992-10-14

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