CA1278051C - Transformateurs planar symetriques - Google Patents

Transformateurs planar symetriques

Info

Publication number
CA1278051C
CA1278051C CA000556685A CA556685A CA1278051C CA 1278051 C CA1278051 C CA 1278051C CA 000556685 A CA000556685 A CA 000556685A CA 556685 A CA556685 A CA 556685A CA 1278051 C CA1278051 C CA 1278051C
Authority
CA
Canada
Prior art keywords
windings
conductors
winding
planar transformer
transformer
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 - Lifetime
Application number
CA000556685A
Other languages
English (en)
Inventor
Gordon Glen Rabjohn
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA000556685A priority Critical patent/CA1278051C/fr
Priority to EP19880311657 priority patent/EP0324240B1/fr
Priority to DE19883851831 priority patent/DE3851831T2/de
Priority to JP1003899A priority patent/JP2938082B2/ja
Application granted granted Critical
Publication of CA1278051C publication Critical patent/CA1278051C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
    • 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
    • H01F2021/125—Printed variable inductor with taps, e.g. for VCO

Landscapes

  • Coils Or Transformers For Communication (AREA)
CA000556685A 1988-01-15 1988-01-15 Transformateurs planar symetriques Expired - Lifetime CA1278051C (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA000556685A CA1278051C (fr) 1988-01-15 1988-01-15 Transformateurs planar symetriques
EP19880311657 EP0324240B1 (fr) 1988-01-15 1988-12-09 Transformateur planaire équilibré
DE19883851831 DE3851831T2 (de) 1988-01-15 1988-12-09 Symmetrischer planarer Übertrager.
JP1003899A JP2938082B2 (ja) 1988-01-15 1989-01-12 平面変成器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000556685A CA1278051C (fr) 1988-01-15 1988-01-15 Transformateurs planar symetriques

Publications (1)

Publication Number Publication Date
CA1278051C true CA1278051C (fr) 1990-12-18

Family

ID=4137273

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000556685A Expired - Lifetime CA1278051C (fr) 1988-01-15 1988-01-15 Transformateurs planar symetriques

Country Status (4)

Country Link
EP (1) EP0324240B1 (fr)
JP (1) JP2938082B2 (fr)
CA (1) CA1278051C (fr)
DE (1) DE3851831T2 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652210B1 (fr) * 1989-09-20 1995-06-16 Alcatel Radiotelephone Circuit de modulation en phase et en amplitude.
FI91930C (fi) * 1991-03-19 1994-08-25 Nokia Mobile Phones Ltd Piirilevymuuntaja ja sen käyttö
FR2819938B1 (fr) 2001-01-22 2003-05-30 St Microelectronics Sa Dispositif semi-conducteur comprenant des enroulements constituant des inductances
DE10261385B4 (de) * 2002-12-30 2007-05-16 Newlogic Technologies Ag Monolithisch integrierter Transformator
JP4507508B2 (ja) * 2003-05-08 2010-07-21 パナソニック株式会社 インダクタ装置およびその製造方法
EP1478045B1 (fr) * 2003-05-16 2012-06-06 Panasonic Corporation Circuit à induction mutuelle
JP4664619B2 (ja) * 2003-05-16 2011-04-06 パナソニック株式会社 相互誘導回路
EP1761938A1 (fr) * 2004-06-23 2007-03-14 Koninklijke Philips Electronics N.V. Inducteur planaire
KR100777394B1 (ko) * 2006-05-17 2007-11-19 삼성전자주식회사 진폭 불균형을 개선하기 위한 온­칩 트랜스포머 밸룬
JP2009064963A (ja) * 2007-09-06 2009-03-26 Nec Electronics Corp 電子デバイス
JP4893616B2 (ja) * 2007-12-25 2012-03-07 セイコーエプソン株式会社 インダクタ
US7714679B2 (en) * 2008-01-29 2010-05-11 Hittite Microwave Corporation Spiral coupler
US8860180B2 (en) * 2012-10-26 2014-10-14 Xilinx, Inc. Inductor structure with a current return encompassing a coil
DE102013101768A1 (de) 2013-02-22 2014-08-28 Intel Mobile Communications GmbH Transformator und elektrische Schaltung
US20160284461A1 (en) * 2015-03-28 2016-09-29 Intel IP Corporation Tuning inductance ratio of a passive device
FR3049758B1 (fr) 2016-03-30 2018-04-27 Stmicroelectronics Sa Transformateur de puissance du type symetrique-dissymetrique a topologie completement equilibree
JP2023546686A (ja) * 2020-10-21 2023-11-07 エルジー イノテック カンパニー リミテッド 磁性素子及びこれを含む映像出力装置
JP7632409B2 (ja) * 2022-07-08 2025-02-19 株式会社村田製作所 信号変換回路
WO2025243345A1 (fr) * 2024-05-20 2025-11-27 株式会社ソシオネクスト Circuit transformateur pour synthèse de sortie

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1271230B (de) * 1966-01-13 1968-06-27 Telefunken Patent Hochfrequenz-Symmetriertransformator
US4080585A (en) * 1977-04-11 1978-03-21 Cubic Corporation Flat coil transformer for electronic circuit boards
JPS5464192A (en) * 1978-08-03 1979-05-23 Daido Maruta Finishing Printing method
GB2084809B (en) * 1980-10-01 1984-01-18 Communications Patents Ltd Printed circuit transformers
JPS58215392A (ja) * 1982-06-08 1983-12-14 Sanyo Electric Co Ltd 透明フイルムへの画像記録方法

Also Published As

Publication number Publication date
DE3851831D1 (de) 1994-11-17
JPH027406A (ja) 1990-01-11
EP0324240A2 (fr) 1989-07-19
EP0324240B1 (fr) 1994-10-12
DE3851831T2 (de) 1995-02-09
JP2938082B2 (ja) 1999-08-23
EP0324240A3 (en) 1990-07-25

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Legal Events

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