TW256965B - - Google Patents

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Publication number
TW256965B
TW256965B TW084101173A TW84101173A TW256965B TW 256965 B TW256965 B TW 256965B TW 084101173 A TW084101173 A TW 084101173A TW 84101173 A TW84101173 A TW 84101173A TW 256965 B TW256965 B TW 256965B
Authority
TW
Taiwan
Prior art keywords
impedance
conductor
balanced
common mode
unbalanced
Prior art date
Application number
TW084101173A
Other languages
English (en)
Chinese (zh)
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
Application granted granted Critical
Publication of TW256965B publication Critical patent/TW256965B/zh

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)
TW084101173A 1994-03-11 1995-02-10 TW256965B (enExample)

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
TW256965B true TW256965B (enExample) 1995-09-11

Family

ID=22780396

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084101173A TW256965B (enExample) 1994-03-11 1995-02-10

Country Status (19)

Country Link
US (1) US5565881A (enExample)
JP (1) JPH08510623A (enExample)
CN (1) CN1039860C (enExample)
AU (1) AU680737B2 (enExample)
BR (1) BR9505784A (enExample)
CA (1) CA2160024A1 (enExample)
DE (1) DE19580361T1 (enExample)
FI (1) FI955362L (enExample)
FR (1) FR2717325B1 (enExample)
GB (1) GB2293280B (enExample)
HU (1) HU9503148D0 (enExample)
IT (1) IT1277860B1 (enExample)
MX (1) MXPA95001295A (enExample)
RU (1) RU2143160C1 (enExample)
SE (1) SE9503987L (enExample)
SG (1) SG69951A1 (enExample)
TW (1) TW256965B (enExample)
WO (1) WO1995024744A1 (enExample)
ZA (1) ZA95983B (enExample)

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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
US6380751B2 (en) 1992-06-11 2002-04-30 Cascade Microtech, Inc. Wafer probe station having environment control enclosure
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
EP1315233A1 (en) * 2000-08-31 2003-05-28 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
DE10143173A1 (de) 2000-12-04 2002-06-06 Cascade Microtech Inc Wafersonde
AU2002327490A1 (en) 2001-08-21 2003-06-30 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
DE112004002554T5 (de) 2003-12-24 2006-11-23 Cascade Microtech, Inc., Beaverton Active wafer probe
JP2008502167A (ja) 2004-06-07 2008-01-24 カスケード マイクロテック インコーポレイテッド 熱光学チャック
US7330041B2 (en) 2004-06-14 2008-02-12 Cascade Microtech, Inc. Localizing a temperature of a device for testing
CA2570886A1 (en) 2004-07-07 2006-02-16 Cascade Microtech, Inc. Probe head having a membrane suspended probe
DE202005021435U1 (de) 2004-09-13 2008-02-28 Cascade Microtech, Inc., Beaverton Doppelseitige Prüfaufbauten
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
WO2007146285A2 (en) 2006-06-09 2007-12-21 Cascade Microtech, Inc. Differential signal probe with integral balun
US7403028B2 (en) 2006-06-12 2008-07-22 Cascade Microtech, Inc. Test structure and probe for differential signals
US7723999B2 (en) 2006-06-12 2010-05-25 Cascade Microtech, Inc. Calibration structures for differential signal probing
US7443186B2 (en) 2006-06-12 2008-10-28 Cascade Microtech, Inc. On-wafer test structures for differential signals
US7764072B2 (en) 2006-06-12 2010-07-27 Cascade Microtech, Inc. Differential signal probing system
EP2064776A1 (en) * 2006-09-06 2009-06-03 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
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
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
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
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

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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
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
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

Also Published As

Publication number Publication date
IT1277860B1 (it) 1997-11-12
JPH08510623A (ja) 1996-11-05
MXPA95001295A (es) 2004-10-21
GB2293280A (en) 1996-03-20
BR9505784A (pt) 1996-03-05
FR2717325A1 (fr) 1995-09-15
SE9503987L (sv) 1995-12-27
FR2717325B1 (fr) 1996-06-28
ITRM950140A0 (it) 1995-03-08
ITRM950140A1 (it) 1996-09-08
FI955362A7 (fi) 1995-11-08
WO1995024744A1 (en) 1995-09-14
CN1127571A (zh) 1996-07-24
SG69951A1 (en) 2000-01-25
AU680737B2 (en) 1997-08-07
CA2160024A1 (en) 1995-09-14
GB2293280B (en) 1998-10-21
FI955362A0 (fi) 1995-11-08
AU1832595A (en) 1995-09-25
US5565881A (en) 1996-10-15
GB9522907D0 (en) 1996-01-10
HU9503148D0 (en) 1996-01-29
ZA95983B (en) 1995-10-09
CN1039860C (zh) 1998-09-16
RU2143160C1 (ru) 1999-12-20
DE19580361T1 (de) 1996-05-09
SE9503987D0 (sv) 1995-11-10
FI955362L (fi) 1995-11-08

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