DE69009040T2 - Durchstimmbarer monolithischer Breitbandinduktor. - Google Patents

Durchstimmbarer monolithischer Breitbandinduktor.

Info

Publication number
DE69009040T2
DE69009040T2 DE1990609040 DE69009040T DE69009040T2 DE 69009040 T2 DE69009040 T2 DE 69009040T2 DE 1990609040 DE1990609040 DE 1990609040 DE 69009040 T DE69009040 T DE 69009040T DE 69009040 T2 DE69009040 T2 DE 69009040T2
Authority
DE
Germany
Prior art keywords
tunable monolithic
broadband inductor
monolithic broadband
inductor
tunable
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
DE1990609040
Other languages
English (en)
Other versions
DE69009040D1 (de
Inventor
Cornelis T Veenendaal
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.)
Tektronix Inc
Original Assignee
Tektronix 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 Tektronix Inc filed Critical Tektronix Inc
Publication of DE69009040D1 publication Critical patent/DE69009040D1/de
Application granted granted Critical
Publication of DE69009040T2 publication Critical patent/DE69009040T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/045—Fixed inductances of the signal type  with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
    • H01F21/065—Measures for obtaining a desired relation between the position of the core and the inductance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F2005/006—Coils with conical spiral form

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
DE1990609040 1989-12-26 1990-12-19 Durchstimmbarer monolithischer Breitbandinduktor. Expired - Fee Related DE69009040T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45676389A 1989-12-26 1989-12-26

Publications (2)

Publication Number Publication Date
DE69009040D1 DE69009040D1 (de) 1994-06-23
DE69009040T2 true DE69009040T2 (de) 1994-12-22

Family

ID=23814068

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990609040 Expired - Fee Related DE69009040T2 (de) 1989-12-26 1990-12-19 Durchstimmbarer monolithischer Breitbandinduktor.

Country Status (4)

Country Link
EP (1) EP0443173B1 (de)
JP (1) JPH04137507A (de)
DE (1) DE69009040T2 (de)
HK (1) HK89894A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10203850A1 (de) 2002-01-31 2003-08-14 Rohde & Schwarz Überspannungsschutzvorrichtung
US7518463B2 (en) * 2004-12-23 2009-04-14 Agilent Technologies, Inc. Circuit assembly with conical inductor
JP4498258B2 (ja) * 2005-10-13 2010-07-07 富士通オプティカルコンポーネンツ株式会社 コイルパッケージ
US8072773B2 (en) 2008-04-04 2011-12-06 John Mruz Ultra-wideband assembly system and method
DE102011080411A1 (de) 2011-08-04 2013-02-07 Rohde & Schwarz Gmbh & Co. Kg Überspannungsschutzvorrichtung mit Spulenanordnung
JP6695136B2 (ja) 2015-12-11 2020-05-20 株式会社村田製作所 巻線型インダクタ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005203A (en) * 1932-05-04 1935-06-18 Johnson Lab Inc Variable inductance device
US2442776A (en) * 1944-11-08 1948-06-08 Thomas A Newkirk Radio-frequency choke coil
GB839901A (en) * 1957-11-21 1960-06-29 Automatic Telephone & Elect Improvements in or relating to electrical induction coils

Also Published As

Publication number Publication date
JPH04137507A (ja) 1992-05-12
DE69009040D1 (de) 1994-06-23
EP0443173B1 (de) 1994-05-18
EP0443173A1 (de) 1991-08-28
HK89894A (en) 1994-09-09

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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