FI911336A0 - Circuit board transformer and its use - Google Patents

Circuit board transformer and its use

Info

Publication number
FI911336A0
FI911336A0 FI911336A FI911336A FI911336A0 FI 911336 A0 FI911336 A0 FI 911336A0 FI 911336 A FI911336 A FI 911336A FI 911336 A FI911336 A FI 911336A FI 911336 A0 FI911336 A0 FI 911336A0
Authority
FI
Finland
Prior art keywords
circuit board
board transformer
transformer
circuit
board
Prior art date
Application number
FI911336A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI91930C (en
FI911336A (en
FI91930B (en
Inventor
Esko Satomaeki
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI911336A priority Critical patent/FI91930C/en
Publication of FI911336A0 publication Critical patent/FI911336A0/en
Priority to GB9203902A priority patent/GB2254195B/en
Publication of FI911336A publication Critical patent/FI911336A/en
Application granted granted Critical
Publication of FI91930B publication Critical patent/FI91930B/en
Publication of FI91930C publication Critical patent/FI91930C/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
    • 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
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/023—Reduction of cross-talk, noise or electromagnetic interference using auxiliary mounted passive components or auxiliary substances
    • H05K1/0231—Capacitors or dielectric substances
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10015—Non-printed capacitor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Amplitude Modulation (AREA)
  • Coils Or Transformers For Communication (AREA)
FI911336A 1991-03-19 1991-03-19 Circuit board transformer and its use FI91930C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI911336A FI91930C (en) 1991-03-19 1991-03-19 Circuit board transformer and its use
GB9203902A GB2254195B (en) 1991-03-19 1992-02-24 Printed circuit board transformer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI911336A FI91930C (en) 1991-03-19 1991-03-19 Circuit board transformer and its use
FI911336 1991-03-19

Publications (4)

Publication Number Publication Date
FI911336A0 true FI911336A0 (en) 1991-03-19
FI911336A FI911336A (en) 1992-09-20
FI91930B FI91930B (en) 1994-05-13
FI91930C FI91930C (en) 1994-08-25

Family

ID=8532145

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911336A FI91930C (en) 1991-03-19 1991-03-19 Circuit board transformer and its use

Country Status (2)

Country Link
FI (1) FI91930C (en)
GB (1) GB2254195B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2732529A1 (en) * 1995-03-27 1996-10-04 Reltek Communications Frequency multiplexed signal transmission system esp. for apartments
DE19624939A1 (en) * 1996-06-23 1998-01-08 Alphasat Communication Gmbh Parallel strip waveguide coupling for loop antenna
US5697088A (en) * 1996-08-05 1997-12-09 Motorola, Inc. Balun transformer
JP2002217616A (en) * 2001-01-15 2002-08-02 Alps Electric Co Ltd Balanced-to-unbalanced transformer
US7034630B2 (en) * 2001-12-06 2006-04-25 Koninklijke Philips Electronics N.V. Balun transformer and transceiver
CN102638237B (en) * 2011-12-30 2015-01-14 南通大学 Microwave balanced variable filter
CN102545830B (en) * 2012-02-06 2015-03-11 南通大学 Singly balanced circuit with adjustable microwave frequency and filtering function
GB201612032D0 (en) * 2016-07-11 2016-08-24 High Speed Trans Solutions Ltd Isolating transformer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8104353A (en) * 1980-10-01 1982-05-03 Communications Patents Ltd TRANSFORMER IN THE FORM OF A PRINTED CIRCUIT.
US4749963A (en) * 1985-12-11 1988-06-07 Matsushita Electric Industrial Co., Ltd. Oscillator having stripline loop resonator
CA1278051C (en) * 1988-01-15 1990-12-18 Gordon Glen Rabjohn Balanced planar transformers
US5017897A (en) * 1990-08-06 1991-05-21 Motorola, Inc. Split ring resonator bandpass filter with differential output

Also Published As

Publication number Publication date
FI91930C (en) 1994-08-25
GB2254195B (en) 1995-06-28
GB2254195A (en) 1992-09-30
FI911336A (en) 1992-09-20
FI91930B (en) 1994-05-13
GB9203902D0 (en) 1992-04-08

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Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired