DE19580361T1 - Balun-Apparat und Verfahren zu seinem Entwurf - Google Patents

Balun-Apparat und Verfahren zu seinem Entwurf

Info

Publication number
DE19580361T1
DE19580361T1 DE19580361T DE19580361T DE19580361T1 DE 19580361 T1 DE19580361 T1 DE 19580361T1 DE 19580361 T DE19580361 T DE 19580361T DE 19580361 T DE19580361 T DE 19580361T DE 19580361 T1 DE19580361 T1 DE 19580361T1
Authority
DE
Germany
Prior art keywords
design
balun apparatus
balun
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
DE19580361T
Other languages
English (en)
Inventor
James P Phillips
Louis J 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 DE19580361T1 publication Critical patent/DE19580361T1/de
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
DE19580361T 1994-03-11 1995-01-30 Balun-Apparat und Verfahren zu seinem Entwurf Ceased DE19580361T1 (de)

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 (1)

Publication Number Publication Date
DE19580361T1 true DE19580361T1 (de) 1996-05-09

Family

ID=22780396

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19580361T Ceased DE19580361T1 (de) 1994-03-11 1995-01-30 Balun-Apparat und Verfahren zu seinem Entwurf

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 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
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
GB2425844B (en) 2003-12-24 2007-07-11 Cascade Microtech Inc Active wafer probe
US7187188B2 (en) 2003-12-24 2007-03-06 Cascade Microtech, Inc. Chuck with integrated wafer support
WO2006031646A2 (en) 2004-09-13 2006-03-23 Cascade Microtech, Inc. Double sided probing structures
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
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
WO2008029321A1 (en) * 2006-09-06 2008-03-13 Koninklijke Philips Electronics N. V. Antennas for shielded devices
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
WO2010059247A2 (en) 2008-11-21 2010-05-27 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
US8816281B2 (en) * 2011-03-28 2014-08-26 Tokyo Electron Limited Ion energy analyzer and methods of manufacturing the same
US8654023B2 (en) 2011-09-02 2014-02-18 Dockon Ag Multi-layered multi-band antenna with parasitic radiator
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

Citations (3)

* 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
DE3238806C2 (de) * 1982-10-20 1985-06-20 Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen Symmetriereinrichtung
GB2179801A (en) * 1985-08-31 1987-03-11 Plessey Co Plc Balun circuit

Family Cites Families (11)

* 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
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
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
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

Patent Citations (3)

* 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
DE3238806C2 (de) * 1982-10-20 1985-06-20 Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen Symmetriereinrichtung
GB2179801A (en) * 1985-08-31 1987-03-11 Plessey Co Plc Balun circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-B: Wolff, Ingo: "Einführung in die Microchip- Leitungstechnik, S. 130-136 *

Also Published As

Publication number Publication date
ITRM950140A0 (it) 1995-03-08
CA2160024A1 (en) 1995-09-14
BR9505784A (pt) 1996-03-05
GB2293280B (en) 1998-10-21
JPH08510623A (ja) 1996-11-05
ZA95983B (en) 1995-10-09
FI955362A0 (fi) 1995-11-08
GB2293280A (en) 1996-03-20
IT1277860B1 (it) 1997-11-12
FI955362A (fi) 1995-11-08
HU9503148D0 (en) 1996-01-29
SE9503987D0 (sv) 1995-11-10
AU680737B2 (en) 1997-08-07
ITRM950140A1 (it) 1996-09-08
SG69951A1 (en) 2000-01-25
SE9503987L (sv) 1995-12-27
CN1127571A (zh) 1996-07-24
GB9522907D0 (en) 1996-01-10
TW256965B (de) 1995-09-11
AU1832595A (en) 1995-09-25
FR2717325B1 (fr) 1996-06-28
RU2143160C1 (ru) 1999-12-20
MXPA95001295A (es) 2004-10-21
CN1039860C (zh) 1998-09-16
US5565881A (en) 1996-10-15
FR2717325A1 (fr) 1995-09-15
WO1995024744A1 (en) 1995-09-14

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection