ZA95983B - A balun apparatus and method of designing same - Google Patents

A balun apparatus and method of designing same

Info

Publication number
ZA95983B
ZA95983B ZA95983A ZA95983A ZA95983B ZA 95983 B ZA95983 B ZA 95983B ZA 95983 A ZA95983 A ZA 95983A ZA 95983 A ZA95983 A ZA 95983A ZA 95983 B ZA95983 B ZA 95983B
Authority
ZA
South Africa
Prior art keywords
designing same
balun apparatus
balun
designing
same
Prior art date
Application number
ZA95983A
Other languages
English (en)
Inventor
James Patrick Phillips
Louis Jay Vannatta
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 ZA95983B publication Critical patent/ZA95983B/xx

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
ZA95983A 1994-03-11 1995-02-07 A balun apparatus and method of designing same ZA95983B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA95983B true ZA95983B (en) 1995-10-09

Family

ID=22780396

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA95983A ZA95983B (en) 1994-03-11 1995-02-07 A balun apparatus and method of designing same

Country Status (19)

Country Link
US (1) US5565881A (de)
JP (1) JPH08510623A (de)
CN (1) CN1039860C (de)
AU (1) AU680737B2 (de)
BR (1) BR9505784A (de)
CA (1) CA2160024A1 (de)
DE (1) DE19580361T1 (de)
FI (1) FI955362A (de)
FR (1) FR2717325B1 (de)
GB (1) GB2293280B (de)
HU (1) HU9503148D0 (de)
IT (1) IT1277860B1 (de)
MX (1) MXPA95001295A (de)
RU (1) RU2143160C1 (de)
SE (1) SE9503987L (de)
SG (1) SG69951A1 (de)
TW (1) TW256965B (de)
WO (1) WO1995024744A1 (de)
ZA (1) ZA95983B (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US6380821B1 (en) 2000-08-24 2002-04-30 International Business Machines Corporation Substrate shielded multilayer balun transformer
EP1315233A4 (de) * 2000-08-31 2003-05-28 Matsushita Electric Ind Co Ltd Eingebaute antenne für funkkommunikationsgerät
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
AU2002327490A1 (en) 2001-08-21 2003-06-30 Cascade Microtech, Inc. Membrane probing system
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
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
JP2007517231A (ja) 2003-12-24 2007-06-28 カスケード マイクロテック インコーポレイテッド アクティブ・ウェハプローブ
KR20070058522A (ko) 2004-09-13 2007-06-08 캐스케이드 마이크로테크 인코포레이티드 양측 프루빙 구조
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
US7723999B2 (en) 2006-06-12 2010-05-25 Cascade Microtech, Inc. Calibration structures for differential signal probing
US7764072B2 (en) 2006-06-12 2010-07-27 Cascade Microtech, Inc. Differential signal probing system
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
JP5104953B2 (ja) * 2008-08-18 2012-12-19 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
WO2012135351A2 (en) * 2011-03-28 2012-10-04 Tokyo Electron Limited Ion energy analyzer, methods of electrical signaling therein, and methods of manufacturing and operating the same
US8654023B2 (en) 2011-09-02 2014-02-18 Dockon Ag Multi-layered multi-band antenna with parasitic radiator
CN104040789B (zh) 2011-11-04 2016-02-10 多康公司 电容耦合复合环天线
US10630241B2 (en) 2018-08-23 2020-04-21 Nxp Usa, Inc. Amplifier with integrated directional coupler

Family Cites Families (14)

* 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
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
US3846721A (en) * 1973-08-08 1974-11-05 Amp Inc Transmission line balun
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
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
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
US5304959A (en) * 1992-10-16 1994-04-19 Spectrian, Inc. Planar microstrip balun

Also Published As

Publication number Publication date
GB2293280A (en) 1996-03-20
SE9503987L (sv) 1995-12-27
IT1277860B1 (it) 1997-11-12
FI955362A0 (fi) 1995-11-08
ITRM950140A0 (it) 1995-03-08
WO1995024744A1 (en) 1995-09-14
MXPA95001295A (es) 2004-10-21
ITRM950140A1 (it) 1996-09-08
CN1127571A (zh) 1996-07-24
FR2717325B1 (fr) 1996-06-28
RU2143160C1 (ru) 1999-12-20
BR9505784A (pt) 1996-03-05
US5565881A (en) 1996-10-15
AU680737B2 (en) 1997-08-07
TW256965B (de) 1995-09-11
CA2160024A1 (en) 1995-09-14
FR2717325A1 (fr) 1995-09-15
FI955362A (fi) 1995-11-08
JPH08510623A (ja) 1996-11-05
SE9503987D0 (sv) 1995-11-10
CN1039860C (zh) 1998-09-16
AU1832595A (en) 1995-09-25
GB9522907D0 (en) 1996-01-10
SG69951A1 (en) 2000-01-25
HU9503148D0 (en) 1996-01-29
GB2293280B (en) 1998-10-21
DE19580361T1 (de) 1996-05-09

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