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DE3666744D1 - High-frequency wide band transformer circuit - Google Patents
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DE3666744D1 - High-frequency wide band transformer circuit - Google Patents

High-frequency wide band transformer circuit

Info

Publication number
DE3666744D1
DE3666744D1 DE8686111320T DE3666744T DE3666744D1 DE 3666744 D1 DE3666744 D1 DE 3666744D1 DE 8686111320 T DE8686111320 T DE 8686111320T DE 3666744 T DE3666744 T DE 3666744T DE 3666744 D1 DE3666744 D1 DE 3666744D1
Authority
DE
Germany
Prior art keywords
winding
resistor
wide band
remote
output
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
DE8686111320T
Other languages
German (de)
Inventor
Heinz Dipl Ing Pfizenmaier
Ewald Dipl Ing Schmidt
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE8686111320T priority Critical patent/DE3666744D1/en
Application granted granted Critical
Publication of DE3666744D1 publication Critical patent/DE3666744D1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Filters And Equalizers (AREA)

Abstract

1. A high-frequency wide band transformer circuit having a twin-hole (19) core and planar windings, a second winding (W2) being provided between an input (E) of the circuit and a first output (A), the first output (A) being connected to earth potential by way of a fourth winding (W4) and a resistor (R3) connected in series therewith, a tapping between a first resistor (R1) connected to earth and a third winding (W3) connected to a second output (S) being connected to earth by way of a first winding (W1) and a second resistor (R2), characterised in that a first conductor path (230) is disposed between that end (J) of the first winding (W1) which is remote from the second resistor (R2) and the tapping (K), and a second conductor path (240) is disposed between that end (L) of the second winding (W2) which is remote from the input (E) and that end (M) of the fourth winding (W4) which is remote from the third resistor (R3), said conductor paths being commonly disposed in an additional substrate plate (30) which is metal clad on one side and which is secured in, and at right angles to, the printed circuit board (10).
DE8686111320T 1985-10-16 1986-08-16 High-frequency wide band transformer circuit Expired DE3666744D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8686111320T DE3666744D1 (en) 1985-10-16 1986-08-16 High-frequency wide band transformer circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853536799 DE3536799A1 (en) 1985-10-16 1985-10-16 RF BROADBAND TRANSMITTER
DE8686111320T DE3666744D1 (en) 1985-10-16 1986-08-16 High-frequency wide band transformer circuit

Publications (1)

Publication Number Publication Date
DE3666744D1 true DE3666744D1 (en) 1989-12-07

Family

ID=6283657

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19853536799 Ceased DE3536799A1 (en) 1985-10-16 1985-10-16 RF BROADBAND TRANSMITTER
DE8686111320T Expired DE3666744D1 (en) 1985-10-16 1986-08-16 High-frequency wide band transformer circuit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19853536799 Ceased DE3536799A1 (en) 1985-10-16 1985-10-16 RF BROADBAND TRANSMITTER

Country Status (4)

Country Link
EP (1) EP0218846B1 (en)
AT (1) ATE47767T1 (en)
DE (2) DE3536799A1 (en)
DK (1) DK163904C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004335885A (en) * 2003-05-09 2004-11-25 Canon Inc Electronic component and method of manufacturing the same
JP2004335886A (en) 2003-05-09 2004-11-25 Canon Inc Transformer assembly, power conversion device and solar power generation device using the same
DE102005037616A1 (en) * 2005-08-09 2007-02-15 Rohde & Schwarz Gmbh & Co. Kg Line transformer for impedance matching

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219235A1 (en) * 1972-04-20 1973-10-25 Bosch Elektronik Gmbh DIRECTIONAL BROADBAND DIFFERENTIAL TRANSMITTER
DE2257960A1 (en) * 1972-11-25 1974-05-30 Bosch Elektronik Gmbh DIRECTIONAL BROADBAND TRANSMITTER
JPS55138291A (en) * 1979-04-11 1980-10-28 Alps Electric Co Ltd Substrate for mounting electric parts
DE3434891A1 (en) * 1984-09-22 1986-04-03 Robert Bosch Gmbh, 7000 Stuttgart RF BROADBAND TRANSMITTER

Also Published As

Publication number Publication date
DK163904C (en) 1992-09-14
EP0218846B1 (en) 1989-11-02
DK493686A (en) 1987-04-17
EP0218846A1 (en) 1987-04-22
ATE47767T1 (en) 1989-11-15
DK163904B (en) 1992-04-13
DE3536799A1 (en) 1987-04-16
DK493686D0 (en) 1986-10-15

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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