CH676301A5 - Abstimmbarer helix-kreis. - Google Patents

Abstimmbarer helix-kreis. Download PDF

Info

Publication number
CH676301A5
CH676301A5 CH335588A CH335588A CH676301A5 CH 676301 A5 CH676301 A5 CH 676301A5 CH 335588 A CH335588 A CH 335588A CH 335588 A CH335588 A CH 335588A CH 676301 A5 CH676301 A5 CH 676301A5
Authority
CH
Switzerland
Prior art keywords
helix
coil
tunable
circuit
etched line
Prior art date
Application number
CH335588A
Other languages
German (de)
English (en)
Inventor
Ulrich Graf
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Priority to CA000610278A priority Critical patent/CA1319804C/en
Publication of CH676301A5 publication Critical patent/CH676301A5/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • 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
    • H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H01F27/292—Surface mounted devices
    • 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
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Details Of Aerials (AREA)
CH335588A 1987-09-10 1988-09-07 Abstimmbarer helix-kreis. CH676301A5 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000610278A CA1319804C (en) 1988-09-06 1989-09-05 Method of blending textile fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873730303 DE3730303C3 (de) 1987-09-10 1987-09-10 Spulenanordnung

Publications (1)

Publication Number Publication Date
CH676301A5 true CH676301A5 (de) 1990-12-28

Family

ID=6335636

Family Applications (1)

Application Number Title Priority Date Filing Date
CH335588A CH676301A5 (de) 1987-09-10 1988-09-07 Abstimmbarer helix-kreis.

Country Status (2)

Country Link
CH (1) CH676301A5 (enrdf_load_stackoverflow)
DE (1) DE3730303C3 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692736B1 (fr) * 1992-06-23 1996-12-20 Thomson Csf Filtre radioelectrique de forte et moyenne puissance.
US9605769B2 (en) * 2011-10-14 2017-03-28 Fluid Automation Systems S.A Solenoid valve with a metallic tube bobbin

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1925241U (de) * 1965-07-17 1965-10-14 Blaupunkt Werke Gmbh Filterkombination fuer nachrichtentechnische geraete.
DE7135341U (de) * 1971-09-17 1972-03-09 Becker Gmbh Miniaturfilter
DE3146168C2 (de) * 1981-11-21 1986-07-24 Neosid Pemetzrieder Gmbh & Co Kg, 5884 Halver Induktives Bauelement, insbesondere Spule für hohe und sehr hohe Frequenzen sowie Verfahren zur Herstellung eines solchen Bauelementes

Also Published As

Publication number Publication date
DE3730303A1 (de) 1989-03-30
DE3730303C2 (enrdf_load_stackoverflow) 1992-12-10
DE3730303C3 (de) 1996-03-21

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Owner name: AEG MOBILE COMMUNICATION GMBH

PL Patent ceased
PL Patent ceased