FR2954625B1 - Procede d'amelioration de la symetrie des signaux de sortie d'un transformateur integre de type " balun ", et circuit integre associe. - Google Patents

Procede d'amelioration de la symetrie des signaux de sortie d'un transformateur integre de type " balun ", et circuit integre associe.

Info

Publication number
FR2954625B1
FR2954625B1 FR0959354A FR0959354A FR2954625B1 FR 2954625 B1 FR2954625 B1 FR 2954625B1 FR 0959354 A FR0959354 A FR 0959354A FR 0959354 A FR0959354 A FR 0959354A FR 2954625 B1 FR2954625 B1 FR 2954625B1
Authority
FR
France
Prior art keywords
balun
improving
output signal
type
integrated circuit
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 - Fee Related
Application number
FR0959354A
Other languages
English (en)
Other versions
FR2954625A1 (fr
Inventor
Denis Pache
Nejdat Demirel
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR0959354A priority Critical patent/FR2954625B1/fr
Priority to US12/973,363 priority patent/US8531261B2/en
Publication of FR2954625A1 publication Critical patent/FR2954625A1/fr
Application granted granted Critical
Publication of FR2954625B1 publication Critical patent/FR2954625B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01F27/2804—Printed windings
    • 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
    • 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—Balance/unbalance networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
    • H03H2001/0021—Constructional details
    • H03H2001/0064—Constructional details comprising semiconductor material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Semiconductor Integrated Circuits (AREA)
FR0959354A 2009-12-22 2009-12-22 Procede d'amelioration de la symetrie des signaux de sortie d'un transformateur integre de type " balun ", et circuit integre associe. Expired - Fee Related FR2954625B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0959354A FR2954625B1 (fr) 2009-12-22 2009-12-22 Procede d'amelioration de la symetrie des signaux de sortie d'un transformateur integre de type " balun ", et circuit integre associe.
US12/973,363 US8531261B2 (en) 2009-12-22 2010-12-20 Transformer and method for using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0959354A FR2954625B1 (fr) 2009-12-22 2009-12-22 Procede d'amelioration de la symetrie des signaux de sortie d'un transformateur integre de type " balun ", et circuit integre associe.

Publications (2)

Publication Number Publication Date
FR2954625A1 FR2954625A1 (fr) 2011-06-24
FR2954625B1 true FR2954625B1 (fr) 2013-03-29

Family

ID=42541561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0959354A Expired - Fee Related FR2954625B1 (fr) 2009-12-22 2009-12-22 Procede d'amelioration de la symetrie des signaux de sortie d'un transformateur integre de type " balun ", et circuit integre associe.

Country Status (2)

Country Link
US (1) US8531261B2 (fr)
FR (1) FR2954625B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20121238A1 (it) 2012-07-17 2014-01-18 St Microelectronics Srl Dispositivo trasformatore balun planare
US11532430B2 (en) * 2019-06-20 2022-12-20 Suzhou Qing Xin Fang Electronics Technology Co., Ltd. Laminated transformer-type transmitter-receiver device and method of fabricating same
US20230138281A1 (en) * 2021-10-29 2023-05-04 Texas Instruments Incorporated Symmetric Air-core Planar Transformer with Partial Electromagnetic Interference Shielding

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0787329B2 (ja) * 1985-06-20 1995-09-20 松下電器産業株式会社 バランコイル
JPH0646687B2 (ja) * 1989-12-13 1994-06-15 松下電器産業株式会社 混合器
US7084728B2 (en) * 2003-12-15 2006-08-01 Nokia Corporation Electrically decoupled integrated transformer having at least one grounded electric shield
KR100599126B1 (ko) * 2005-03-11 2006-07-12 삼성전자주식회사 온칩 밸룬 및 이를 이용한 트랜스시버 그리고 온칩 밸룬 제조방법

Also Published As

Publication number Publication date
US8531261B2 (en) 2013-09-10
FR2954625A1 (fr) 2011-06-24
US20110148542A1 (en) 2011-06-23

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20150831