FR1117998A - Transformer for very high frequencies, with closed ferromagnetic core - Google Patents

Transformer for very high frequencies, with closed ferromagnetic core

Info

Publication number
FR1117998A
FR1117998A FR1117998DA FR1117998A FR 1117998 A FR1117998 A FR 1117998A FR 1117998D A FR1117998D A FR 1117998DA FR 1117998 A FR1117998 A FR 1117998A
Authority
FR
France
Prior art keywords
transformer
high frequencies
ferromagnetic core
closed ferromagnetic
closed
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
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1117998A publication Critical patent/FR1117998A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
    • 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
    • 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
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • 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
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F2017/067—Core with two or more holes to lead through conductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Soft Magnetic Materials (AREA)
FR1117998D 1954-01-21 1955-01-19 Transformer for very high frequencies, with closed ferromagnetic core Expired FR1117998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1117998X 1954-01-21

Publications (1)

Publication Number Publication Date
FR1117998A true FR1117998A (en) 1956-05-30

Family

ID=19869570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1117998D Expired FR1117998A (en) 1954-01-21 1955-01-19 Transformer for very high frequencies, with closed ferromagnetic core

Country Status (2)

Country Link
DE (1) DE1699754U (en)
FR (1) FR1117998A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629741A (en) * 1969-05-29 1971-12-21 Bell Telephone Labor Inc Transformer with controlled low coupling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629741A (en) * 1969-05-29 1971-12-21 Bell Telephone Labor Inc Transformer with controlled low coupling

Also Published As

Publication number Publication date
DE1699754U (en) 1955-06-02

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