HK89894A - Wideband tunable monolithic inductor - Google Patents

Wideband tunable monolithic inductor

Info

Publication number
HK89894A
HK89894A HK89894A HK89894A HK89894A HK 89894 A HK89894 A HK 89894A HK 89894 A HK89894 A HK 89894A HK 89894 A HK89894 A HK 89894A HK 89894 A HK89894 A HK 89894A
Authority
HK
Hong Kong
Prior art keywords
monolithic inductor
wideband tunable
tunable monolithic
wideband
inductor
Prior art date
Application number
HK89894A
Other languages
English (en)
Inventor
Cornelis T Veenendaal
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 HK89894A publication Critical patent/HK89894A/xx

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)
HK89894A 1989-12-26 1994-09-01 Wideband tunable monolithic inductor HK89894A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK89894A true HK89894A (en) 1994-09-09

Family

ID=23814068

Family Applications (1)

Application Number Title Priority Date Filing Date
HK89894A HK89894A (en) 1989-12-26 1994-09-01 Wideband tunable monolithic inductor

Country Status (4)

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

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 (en) 1994-05-18
EP0443173A1 (en) 1991-08-28
DE69009040T2 (de) 1994-12-22

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Legal Events

Date Code Title Description
NR Patent deemed never to have been added to the register under section 13(7) of patents (transitional arrangements) rules