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EP1987562A4 - Inverted style balun with dc isolated differential ports - Google Patents

  • ️Wed Apr 22 2009

EP1987562A4 - Inverted style balun with dc isolated differential ports - Google Patents

Inverted style balun with dc isolated differential ports

Info

Publication number
EP1987562A4
EP1987562A4 EP07717505A EP07717505A EP1987562A4 EP 1987562 A4 EP1987562 A4 EP 1987562A4 EP 07717505 A EP07717505 A EP 07717505A EP 07717505 A EP07717505 A EP 07717505A EP 1987562 A4 EP1987562 A4 EP 1987562A4 Authority
EP
European Patent Office
Prior art keywords
balun
differential ports
isolated differential
style
inverted
Prior art date
2006-02-02
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.)
Withdrawn
Application number
EP07717505A
Other languages
German (de)
French (fr)
Other versions
EP1987562A2 (en
Inventor
Niels H Kirkeby
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.)
Anaren Inc
Original Assignee
Anaren Inc
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.)
2006-02-02
Filing date
2007-02-01
Publication date
2009-04-22
2006-05-18 Priority claimed from US11/419,091 external-priority patent/US7646261B2/en
2007-02-01 Application filed by Anaren Inc filed Critical Anaren Inc
2008-11-05 Publication of EP1987562A2 publication Critical patent/EP1987562A2/en
2009-04-22 Publication of EP1987562A4 publication Critical patent/EP1987562A4/en
Status Withdrawn legal-status Critical Current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
EP07717505A 2006-02-02 2007-02-01 Inverted style balun with dc isolated differential ports Withdrawn EP1987562A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US76471506P 2006-02-02 2006-02-02
US11/419,091 US7646261B2 (en) 2005-09-09 2006-05-18 Vertical inter-digital coupler
PCT/US2007/061431 WO2007092725A2 (en) 2006-02-02 2007-02-01 Inverted style balun with dc isolated differential ports

Publications (2)

Publication Number Publication Date
EP1987562A2 EP1987562A2 (en) 2008-11-05
EP1987562A4 true EP1987562A4 (en) 2009-04-22

Family

ID=38345874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07717505A Withdrawn EP1987562A4 (en) 2006-02-02 2007-02-01 Inverted style balun with dc isolated differential ports

Country Status (2)

Country Link
EP (1) EP1987562A4 (en)
WO (1) WO2007092725A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6285273B1 (en) * 1996-03-22 2001-09-04 Murata Manufacturing Co., Ltd. Laminated balun transformer
US6759920B1 (en) * 2002-04-30 2004-07-06 Bermai, Inc. Multi-layer balun transformer
US6819199B2 (en) * 2001-01-22 2004-11-16 Broadcom Corporation Balun transformer with means for reducing a physical dimension thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835421A (en) * 1972-12-14 1974-09-10 Rca Corp Microwave transmission line and devices using multiple coplanar conductors
JP2001036310A (en) * 1999-07-23 2001-02-09 Nec Corp 180-degree phase shifter
US6891446B2 (en) * 2003-04-29 2005-05-10 Raytheon Company Compact broadband balun
US7250828B2 (en) * 2005-03-16 2007-07-31 Tdk Corporation Compact balun

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6285273B1 (en) * 1996-03-22 2001-09-04 Murata Manufacturing Co., Ltd. Laminated balun transformer
US6819199B2 (en) * 2001-01-22 2004-11-16 Broadcom Corporation Balun transformer with means for reducing a physical dimension thereof
US6759920B1 (en) * 2002-04-30 2004-07-06 Bermai, Inc. Multi-layer balun transformer

Also Published As

Publication number Publication date
WO2007092725A2 (en) 2007-08-16
WO2007092725A3 (en) 2008-10-23
EP1987562A2 (en) 2008-11-05

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Legal Events

Date Code Title Description
2008-10-03 PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

2008-11-05 17P Request for examination filed

Effective date: 20080829

2008-11-05 AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

2008-11-05 AX Request for extension of the european patent

Extension state: AL BA HR MK RS

2008-12-03 R17D Deferred search report published (corrected)

Effective date: 20081023

2008-12-10 RIC1 Information provided on ipc code assigned before grant

Ipc: H03H 5/00 20060101AFI20081103BHEP

2009-04-22 A4 Supplementary search report drawn up and despatched

Effective date: 20090320

2009-11-06 STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

2009-12-09 18D Application deemed to be withdrawn

Effective date: 20090618