GB2293280B - A balun apparatus and method of designing same - Google Patents

A balun apparatus and method of designing same

Info

Publication number
GB2293280B
GB2293280B GB9522907A GB9522907A GB2293280B GB 2293280 B GB2293280 B GB 2293280B GB 9522907 A GB9522907 A GB 9522907A GB 9522907 A GB9522907 A GB 9522907A GB 2293280 B GB2293280 B GB 2293280B
Authority
GB
United Kingdom
Prior art keywords
designing same
balun apparatus
balun
designing
same
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
GB9522907A
Other languages
English (en)
Other versions
GB2293280A (en
GB9522907D0 (en
Inventor
James Patrick Phillips
Louis Jay Vannatta
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of GB9522907D0 publication Critical patent/GB9522907D0/en
Publication of GB2293280A publication Critical patent/GB2293280A/en
Application granted granted Critical
Publication of GB2293280B publication Critical patent/GB2293280B/en
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
GB9522907A 1994-03-11 1995-01-30 A balun apparatus and method of designing same Expired - Lifetime GB2293280B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/209,811 US5565881A (en) 1994-03-11 1994-03-11 Balun apparatus including impedance transformer having transformation length
PCT/US1995/000689 WO1995024744A1 (en) 1994-03-11 1995-01-30 A balun apparatus and method of designing same

Publications (3)

Publication Number Publication Date
GB9522907D0 GB9522907D0 (en) 1996-01-10
GB2293280A GB2293280A (en) 1996-03-20
GB2293280B true GB2293280B (en) 1998-10-21

Family

ID=22780396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9522907A Expired - Lifetime GB2293280B (en) 1994-03-11 1995-01-30 A balun apparatus and method of designing same

Country Status (19)

Country Link
US (1) US5565881A (OSRAM)
JP (1) JPH08510623A (OSRAM)
CN (1) CN1039860C (OSRAM)
AU (1) AU680737B2 (OSRAM)
BR (1) BR9505784A (OSRAM)
CA (1) CA2160024A1 (OSRAM)
DE (1) DE19580361T1 (OSRAM)
FI (1) FI955362A0 (OSRAM)
FR (1) FR2717325B1 (OSRAM)
GB (1) GB2293280B (OSRAM)
HU (1) HU9503148D0 (OSRAM)
IT (1) IT1277860B1 (OSRAM)
MX (1) MXPA95001295A (OSRAM)
RU (1) RU2143160C1 (OSRAM)
SE (1) SE9503987L (OSRAM)
SG (1) SG69951A1 (OSRAM)
TW (1) TW256965B (OSRAM)
WO (1) WO1995024744A1 (OSRAM)
ZA (1) ZA95983B (OSRAM)

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US6380751B2 (en) 1992-06-11 2002-04-30 Cascade Microtech, Inc. Wafer probe station having environment control enclosure
US5345170A (en) 1992-06-11 1994-09-06 Cascade Microtech, Inc. Wafer probe station having integrated guarding, Kelvin connection and shielding systems
US5561377A (en) 1995-04-14 1996-10-01 Cascade Microtech, Inc. System for evaluating probing networks
US6232789B1 (en) 1997-05-28 2001-05-15 Cascade Microtech, Inc. Probe holder for low current measurements
US5914613A (en) 1996-08-08 1999-06-22 Cascade Microtech, Inc. Membrane probing system with local contact scrub
US5861853A (en) * 1997-05-07 1999-01-19 Motorola, Inc. Current balanced balun network with selectable port impedances
US6002263A (en) 1997-06-06 1999-12-14 Cascade Microtech, Inc. Probe station having inner and outer shielding
US6256882B1 (en) 1998-07-14 2001-07-10 Cascade Microtech, Inc. Membrane probing system
USH1959H1 (en) 1998-09-03 2001-05-01 Anthony Kikel Single balanced to dual unbalanced transformer
US6578264B1 (en) 1999-06-04 2003-06-17 Cascade Microtech, Inc. Method for constructing a membrane probe using a depression
US6445202B1 (en) 1999-06-30 2002-09-03 Cascade Microtech, Inc. Probe station thermal chuck with shielding for capacitive current
US6838890B2 (en) 2000-02-25 2005-01-04 Cascade Microtech, Inc. Membrane probing system
US6380821B1 (en) 2000-08-24 2002-04-30 International Business Machines Corporation Substrate shielded multilayer balun transformer
EP1315233A1 (en) * 2000-08-31 2003-05-28 Matsushita Electric Industrial Co., Ltd. Built-in antenna for radio communication terminal
US6914423B2 (en) 2000-09-05 2005-07-05 Cascade Microtech, Inc. Probe station
US6965226B2 (en) 2000-09-05 2005-11-15 Cascade Microtech, Inc. Chuck for holding a device under test
DE10143173A1 (de) 2000-12-04 2002-06-06 Cascade Microtech Inc Wafersonde
WO2003052435A1 (en) 2001-08-21 2003-06-26 Cascade Microtech, Inc. Membrane probing system
US6777964B2 (en) 2002-01-25 2004-08-17 Cascade Microtech, Inc. Probe station
WO2003100445A2 (en) 2002-05-23 2003-12-04 Cascade Microtech, Inc. Probe for testing a device under test
US6819200B2 (en) * 2002-07-26 2004-11-16 Freescale Semiconductor, Inc. Broadband balun and impedance transformer for push-pull amplifiers
KR100517946B1 (ko) * 2002-08-13 2005-09-30 엘지전자 주식회사 밸룬 구조
US6847219B1 (en) 2002-11-08 2005-01-25 Cascade Microtech, Inc. Probe station with low noise characteristics
US6724205B1 (en) 2002-11-13 2004-04-20 Cascade Microtech, Inc. Probe for combined signals
US7250779B2 (en) 2002-11-25 2007-07-31 Cascade Microtech, Inc. Probe station with low inductance path
US6861856B2 (en) 2002-12-13 2005-03-01 Cascade Microtech, Inc. Guarded tub enclosure
US7221172B2 (en) 2003-05-06 2007-05-22 Cascade Microtech, Inc. Switched suspended conductor and connection
US7492172B2 (en) 2003-05-23 2009-02-17 Cascade Microtech, Inc. Chuck for holding a device under test
US7057404B2 (en) 2003-05-23 2006-06-06 Sharp Laboratories Of America, Inc. Shielded probe for testing a device under test
US7250626B2 (en) 2003-10-22 2007-07-31 Cascade Microtech, Inc. Probe testing structure
US7187188B2 (en) 2003-12-24 2007-03-06 Cascade Microtech, Inc. Chuck with integrated wafer support
GB2425844B (en) 2003-12-24 2007-07-11 Cascade Microtech Inc Active wafer probe
WO2005121824A2 (en) 2004-06-07 2005-12-22 Cascade Microtech, Inc. Thermal optical chuck
US7330041B2 (en) 2004-06-14 2008-02-12 Cascade Microtech, Inc. Localizing a temperature of a device for testing
KR101157449B1 (ko) 2004-07-07 2012-06-22 캐스케이드 마이크로테크 인코포레이티드 멤브레인 서스펜디드 프로브를 구비한 프로브 헤드
WO2006031646A2 (en) 2004-09-13 2006-03-23 Cascade Microtech, Inc. Double sided probing structures
US7535247B2 (en) 2005-01-31 2009-05-19 Cascade Microtech, Inc. Interface for testing semiconductors
US7656172B2 (en) 2005-01-31 2010-02-02 Cascade Microtech, Inc. System for testing semiconductors
US7449899B2 (en) 2005-06-08 2008-11-11 Cascade Microtech, Inc. Probe for high frequency signals
US7619419B2 (en) 2005-06-13 2009-11-17 Cascade Microtech, Inc. Wideband active-passive differential signal probe
DE202007018733U1 (de) 2006-06-09 2009-03-26 Cascade Microtech, Inc., Beaverton Messfühler für differentielle Signale mit integrierter Symmetrieschaltung
US7443186B2 (en) 2006-06-12 2008-10-28 Cascade Microtech, Inc. On-wafer test structures for differential signals
US7403028B2 (en) 2006-06-12 2008-07-22 Cascade Microtech, Inc. Test structure and probe for differential signals
US7764072B2 (en) 2006-06-12 2010-07-27 Cascade Microtech, Inc. Differential signal probing system
US7723999B2 (en) 2006-06-12 2010-05-25 Cascade Microtech, Inc. Calibration structures for differential signal probing
JP2010503306A (ja) * 2006-09-06 2010-01-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 遮蔽デバイス用アンテナ
US7876114B2 (en) 2007-08-08 2011-01-25 Cascade Microtech, Inc. Differential waveguide probe
US8462061B2 (en) * 2008-03-26 2013-06-11 Dockon Ag Printed compound loop antenna
WO2010021096A1 (ja) * 2008-08-18 2010-02-25 パナソニック株式会社 ノイズキャンセル装置とこれを用いたノイズキャンセルモジュールおよび電子機器
US7888957B2 (en) 2008-10-06 2011-02-15 Cascade Microtech, Inc. Probing apparatus with impedance optimized interface
US8410806B2 (en) 2008-11-21 2013-04-02 Cascade Microtech, Inc. Replaceable coupon for a probing apparatus
US8319503B2 (en) 2008-11-24 2012-11-27 Cascade Microtech, Inc. Test apparatus for measuring a characteristic of a device under test
JP6023787B2 (ja) * 2011-03-28 2016-11-09 東京エレクトロン株式会社 イオンエネルギーアナライザ、イオンエネルギーアナライザを有する診断用ウエハ
US8654021B2 (en) 2011-09-02 2014-02-18 Dockon Ag Single-sided multi-band antenna
AU2012330892B2 (en) 2011-11-04 2017-02-02 Dockon Ag Capacitively coupled compound loop antenna
US10630241B2 (en) 2018-08-23 2020-04-21 Nxp Usa, Inc. Amplifier with integrated directional coupler
FR3144710B1 (fr) * 2022-12-29 2025-09-19 Thales Sa Balun Rat-Race et procédé de réduction d'encombrement de Balun Rat-Race associé

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614676A (en) * 1969-08-15 1971-10-19 Sylvania Electric Prod Broadband impedance-matching transformer
US3846721A (en) * 1973-08-08 1974-11-05 Amp Inc Transmission line balun
JPS59148405A (ja) * 1983-02-14 1984-08-25 Matsushita Electric Ind Co Ltd 平衡不平衡変換器
US4495505A (en) * 1983-05-10 1985-01-22 The United States Of America As Represented By The Secretary Of The Air Force Printed circuit balun with a dipole antenna
US5030963A (en) * 1988-08-22 1991-07-09 Sony Corporation Signal receiver
US5304959A (en) * 1992-10-16 1994-04-19 Spectrian, Inc. Planar microstrip balun

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE846874C (de) * 1944-02-25 1952-08-18 Patelhold Patentverwertung Transformatorsystem mit Leitungscharakter
US3678418A (en) * 1971-07-28 1972-07-18 Rca Corp Printed circuit balun
US3835421A (en) * 1972-12-14 1974-09-10 Rca Corp Microwave transmission line and devices using multiple coplanar conductors
US4260963A (en) * 1979-10-18 1981-04-07 Rockwell International Corporation 4:1 Balun
DE3238806C2 (de) * 1982-10-20 1985-06-20 Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen Symmetriereinrichtung
PL141094B1 (en) * 1983-12-09 1987-06-30 Polska Akad Nauk Centrum Microwave balun transformer,especially for mixers and modulators
FR2556508B1 (fr) * 1983-12-13 1987-12-18 Thomson Csf Symetriseur pour coupler une ligne dissymetrique a un element symetrique
GB8521727D0 (en) * 1985-08-31 1985-10-02 Plessey Co Plc Balun circuits
US4737797A (en) * 1986-06-26 1988-04-12 Motorola, Inc. Microstrip balun-antenna apparatus
US4980654A (en) * 1990-04-06 1990-12-25 Tektronix, Inc. Transmission line transformer
RU2020663C1 (ru) * 1991-05-20 1994-09-30 Гомельское конструкторское бюро "Луч" Симметрирующее устройство

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614676A (en) * 1969-08-15 1971-10-19 Sylvania Electric Prod Broadband impedance-matching transformer
US3846721A (en) * 1973-08-08 1974-11-05 Amp Inc Transmission line balun
JPS59148405A (ja) * 1983-02-14 1984-08-25 Matsushita Electric Ind Co Ltd 平衡不平衡変換器
US4495505A (en) * 1983-05-10 1985-01-22 The United States Of America As Represented By The Secretary Of The Air Force Printed circuit balun with a dipole antenna
US5030963A (en) * 1988-08-22 1991-07-09 Sony Corporation Signal receiver
US5304959A (en) * 1992-10-16 1994-04-19 Spectrian, Inc. Planar microstrip balun

Also Published As

Publication number Publication date
FI955362A7 (fi) 1995-11-08
AU680737B2 (en) 1997-08-07
MXPA95001295A (es) 2004-10-21
IT1277860B1 (it) 1997-11-12
ITRM950140A1 (it) 1996-09-08
ZA95983B (en) 1995-10-09
WO1995024744A1 (en) 1995-09-14
GB2293280A (en) 1996-03-20
FI955362L (fi) 1995-11-08
SE9503987L (sv) 1995-12-27
FR2717325A1 (fr) 1995-09-15
TW256965B (OSRAM) 1995-09-11
BR9505784A (pt) 1996-03-05
JPH08510623A (ja) 1996-11-05
CN1127571A (zh) 1996-07-24
FI955362A0 (fi) 1995-11-08
ITRM950140A0 (it) 1995-03-08
CA2160024A1 (en) 1995-09-14
SG69951A1 (en) 2000-01-25
FR2717325B1 (fr) 1996-06-28
CN1039860C (zh) 1998-09-16
SE9503987D0 (sv) 1995-11-10
US5565881A (en) 1996-10-15
RU2143160C1 (ru) 1999-12-20
GB9522907D0 (en) 1996-01-10
HU9503148D0 (en) 1996-01-29
DE19580361T1 (de) 1996-05-09
AU1832595A (en) 1995-09-25

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20110120 AND 20110126

PE20 Patent expired after termination of 20 years

Expiry date: 20150129