AU680737B2 - A balun apparatus and method of designing same - Google Patents

A balun apparatus and method of designing same Download PDF

Info

Publication number
AU680737B2
AU680737B2 AU18325/95A AU1832595A AU680737B2 AU 680737 B2 AU680737 B2 AU 680737B2 AU 18325/95 A AU18325/95 A AU 18325/95A AU 1832595 A AU1832595 A AU 1832595A AU 680737 B2 AU680737 B2 AU 680737B2
Authority
AU
Australia
Prior art keywords
conductor
impedance
length
transmission line
common mode
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.)
Ceased
Application number
AU18325/95A
Other languages
English (en)
Other versions
AU1832595A (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 AU1832595A publication Critical patent/AU1832595A/en
Application granted granted Critical
Publication of AU680737B2 publication Critical patent/AU680737B2/en
Anticipated expiration legal-status Critical
Ceased 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

Landscapes

  • Transceivers (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Structure Of Receivers (AREA)
  • Radio Transmission System (AREA)
AU18325/95A 1994-03-11 1995-01-30 A balun apparatus and method of designing same Ceased AU680737B2 (en)

Applications Claiming Priority (3)

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
US209811 1994-03-11
PCT/US1995/000689 WO1995024744A1 (en) 1994-03-11 1995-01-30 A balun apparatus and method of designing same

Publications (2)

Publication Number Publication Date
AU1832595A AU1832595A (en) 1995-09-25
AU680737B2 true AU680737B2 (en) 1997-08-07

Family

ID=22780396

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18325/95A Ceased AU680737B2 (en) 1994-03-11 1995-01-30 A balun apparatus and method of designing same

Country Status (19)

Country Link
US (1) US5565881A (cg-RX-API-DMAC7.html)
JP (1) JPH08510623A (cg-RX-API-DMAC7.html)
CN (1) CN1039860C (cg-RX-API-DMAC7.html)
AU (1) AU680737B2 (cg-RX-API-DMAC7.html)
BR (1) BR9505784A (cg-RX-API-DMAC7.html)
CA (1) CA2160024A1 (cg-RX-API-DMAC7.html)
DE (1) DE19580361T1 (cg-RX-API-DMAC7.html)
FI (1) FI955362A0 (cg-RX-API-DMAC7.html)
FR (1) FR2717325B1 (cg-RX-API-DMAC7.html)
GB (1) GB2293280B (cg-RX-API-DMAC7.html)
HU (1) HU9503148D0 (cg-RX-API-DMAC7.html)
IT (1) IT1277860B1 (cg-RX-API-DMAC7.html)
MX (1) MXPA95001295A (cg-RX-API-DMAC7.html)
RU (1) RU2143160C1 (cg-RX-API-DMAC7.html)
SE (1) SE9503987L (cg-RX-API-DMAC7.html)
SG (1) SG69951A1 (cg-RX-API-DMAC7.html)
TW (1) TW256965B (cg-RX-API-DMAC7.html)
WO (1) WO1995024744A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA95983B (cg-RX-API-DMAC7.html)

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US5345170A (en) 1992-06-11 1994-09-06 Cascade Microtech, Inc. Wafer probe station having integrated guarding, Kelvin connection and shielding systems
US6232789B1 (en) 1997-05-28 2001-05-15 Cascade Microtech, Inc. Probe holder for low current measurements
US5561377A (en) 1995-04-14 1996-10-01 Cascade Microtech, Inc. System for evaluating probing networks
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
WO2002019465A1 (en) * 2000-08-31 2002-03-07 Matsushita Electric Industrial Co., Ltd. Built-in antenna for radio communication terminal
US6965226B2 (en) 2000-09-05 2005-11-15 Cascade Microtech, Inc. Chuck for holding a device under test
US6914423B2 (en) 2000-09-05 2005-07-05 Cascade Microtech, Inc. Probe station
DE20114544U1 (de) 2000-12-04 2002-02-21 Cascade Microtech, Inc., Beaverton, Oreg. Wafersonde
US7355420B2 (en) 2001-08-21 2008-04-08 Cascade Microtech, Inc. Membrane probing system
US6777964B2 (en) 2002-01-25 2004-08-17 Cascade Microtech, Inc. Probe station
KR100864916B1 (ko) 2002-05-23 2008-10-22 캐스케이드 마이크로테크 인코포레이티드 피시험 디바이스를 테스트하기 위한 프로브
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
US7057404B2 (en) 2003-05-23 2006-06-06 Sharp Laboratories Of America, Inc. Shielded probe for testing a device under test
US7492172B2 (en) 2003-05-23 2009-02-17 Cascade Microtech, Inc. Chuck for holding 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
WO2005065258A2 (en) 2003-12-24 2005-07-21 Cascade Microtech, Inc. Active wafer probe
US7176705B2 (en) 2004-06-07 2007-02-13 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
DE202005021386U1 (de) 2004-07-07 2007-11-29 Cascade Microtech, Inc., Beaverton Prüfkopf mit einem Messfühler mit Membranaufhängung
JP2008512680A (ja) 2004-09-13 2008-04-24 カスケード マイクロテック インコーポレイテッド 両面プロービング構造体
US7656172B2 (en) 2005-01-31 2010-02-02 Cascade Microtech, Inc. System for testing semiconductors
US7535247B2 (en) 2005-01-31 2009-05-19 Cascade Microtech, Inc. Interface for testing semiconductors
US7449899B2 (en) 2005-06-08 2008-11-11 Cascade Microtech, Inc. Probe for high frequency signals
JP5080459B2 (ja) 2005-06-13 2012-11-21 カスケード マイクロテック インコーポレイテッド 広帯域能動／受動差動信号プローブ
US7609077B2 (en) 2006-06-09 2009-10-27 Cascade Microtech, Inc. Differential signal probe with integral balun
US7764072B2 (en) 2006-06-12 2010-07-27 Cascade Microtech, Inc. Differential signal probing system
US7443186B2 (en) 2006-06-12 2008-10-28 Cascade Microtech, Inc. On-wafer test structures for differential signals
US7723999B2 (en) 2006-06-12 2010-05-25 Cascade Microtech, Inc. Calibration structures for differential signal probing
US7403028B2 (en) 2006-06-12 2008-07-22 Cascade Microtech, Inc. Test structure and probe for differential signals
CN101512836A (zh) * 2006-09-06 2009-08-19 皇家飞利浦电子股份有限公司 用于受屏蔽装置的天线
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
CN102124657A (zh) * 2008-08-18 2011-07-13 松下电器产业株式会社 噪声消除装置和使用了该装置的噪声消除模块及电子设备
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
US9087677B2 (en) * 2011-03-28 2015-07-21 Tokyo Electron Limited Methods of electrical signaling in an ion energy analyzer
US8654023B2 (en) 2011-09-02 2014-02-18 Dockon Ag Multi-layered multi-band antenna with parasitic radiator
EP2774216B1 (en) 2011-11-04 2021-05-05 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846721A (en) * 1973-08-08 1974-11-05 Amp Inc Transmission line balun
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

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
DE846874C (de) * 1944-02-25 1952-08-18 Patelhold Patentverwertung Transformatorsystem mit Leitungscharakter
US3614676A (en) * 1969-08-15 1971-10-19 Sylvania Electric Prod Broadband impedance-matching transformer
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
JPS59148405A (ja) * 1983-02-14 1984-08-25 Matsushita Electric Ind Co Ltd 平衡不平衡変換器
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
JP2737942B2 (ja) * 1988-08-22 1998-04-08 ソニー株式会社 受信機
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
US5304959A (en) * 1992-10-16 1994-04-19 Spectrian, Inc. Planar microstrip balun

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846721A (en) * 1973-08-08 1974-11-05 Amp Inc Transmission line balun
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

Also Published As

Publication number Publication date
GB9522907D0 (en) 1996-01-10
RU2143160C1 (ru) 1999-12-20
AU1832595A (en) 1995-09-25
US5565881A (en) 1996-10-15
CN1039860C (zh) 1998-09-16
GB2293280B (en) 1998-10-21
CA2160024A1 (en) 1995-09-14
MXPA95001295A (es) 2004-10-21
IT1277860B1 (it) 1997-11-12
HU9503148D0 (en) 1996-01-29
DE19580361T1 (de) 1996-05-09
ITRM950140A1 (it) 1996-09-08
CN1127571A (zh) 1996-07-24
SE9503987L (sv) 1995-12-27
FI955362A7 (fi) 1995-11-08
ITRM950140A0 (it) 1995-03-08
SG69951A1 (en) 2000-01-25
JPH08510623A (ja) 1996-11-05
ZA95983B (en) 1995-10-09
WO1995024744A1 (en) 1995-09-14
FR2717325B1 (fr) 1996-06-28
TW256965B (cg-RX-API-DMAC7.html) 1995-09-11
FR2717325A1 (fr) 1995-09-15
FI955362L (fi) 1995-11-08
FI955362A0 (fi) 1995-11-08
GB2293280A (en) 1996-03-20
SE9503987D0 (sv) 1995-11-10
BR9505784A (pt) 1996-03-05

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