CA2160024A1 - A balun apparatus and method of designing same - Google Patents

A balun apparatus and method of designing same

Info

Publication number
CA2160024A1
CA2160024A1 CA002160024A CA2160024A CA2160024A1 CA 2160024 A1 CA2160024 A1 CA 2160024A1 CA 002160024 A CA002160024 A CA 002160024A CA 2160024 A CA2160024 A CA 2160024A CA 2160024 A1 CA2160024 A1 CA 2160024A1
Authority
CA
Canada
Prior art keywords
impedance
conductor
common mode
differential
antenna
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.)
Abandoned
Application number
CA002160024A
Other languages
English (en)
French (fr)
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
Individual
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 Individual filed Critical Individual
Publication of CA2160024A1 publication Critical patent/CA2160024A1/en
Abandoned 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)
  • Radio Transmission System (AREA)
  • Structure Of Receivers (AREA)
  • Mobile Radio Communication Systems (AREA)
CA002160024A 1994-03-11 1995-01-30 A balun apparatus and method of designing same Abandoned CA2160024A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/209,811 1994-03-11
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
CA2160024A1 true CA2160024A1 (en) 1995-09-14

Family

ID=22780396

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002160024A Abandoned CA2160024A1 (en) 1994-03-11 1995-01-30 A balun apparatus and method of designing same

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) FI955362A7 (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)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
AU2001282546A1 (en) * 2000-08-31 2002-03-13 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
JP2005527823A (ja) 2002-05-23 2005-09-15 カスケード マイクロテック インコーポレイテッド デバイスのテスト用プローブ
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
DE202004021093U1 (de) 2003-12-24 2006-09-28 Cascade Microtech, Inc., Beaverton Aktiver Halbleiterscheibenmessfühler
US7187188B2 (en) 2003-12-24 2007-03-06 Cascade Microtech, Inc. Chuck with integrated wafer support
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
JP4980903B2 (ja) 2004-07-07 2012-07-18 カスケード マイクロテック インコーポレイテッド 膜懸垂プローブを具えるプローブヘッド
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
EP1932003A2 (en) 2005-06-13 2008-06-18 Cascade Microtech, Inc. Wideband active-passive differential signal probe
US7609077B2 (en) 2006-06-09 2009-10-27 Cascade Microtech, Inc. Differential signal probe with integral balun
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
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
US20100289703A1 (en) * 2006-09-06 2010-11-18 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
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
KR101967490B1 (ko) * 2011-03-28 2019-04-09 도쿄엘렉트론가부시키가이샤 이온 에너지 분석기, 그 내부에서의 전기 신호화 방법, 그 제작 방법 및 작동 방법
US8654022B2 (en) 2011-09-02 2014-02-18 Dockon Ag Multi-layered 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

Family Cites Families (17)

* 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
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
FI955362A0 (fi) 1995-11-08
GB2293280A (en) 1996-03-20
SE9503987L (sv) 1995-12-27
GB2293280B (en) 1998-10-21
FI955362L (fi) 1995-11-08
DE19580361T1 (de) 1996-05-09
ZA95983B (en) 1995-10-09
FI955362A7 (fi) 1995-11-08
SG69951A1 (en) 2000-01-25
WO1995024744A1 (en) 1995-09-14
MXPA95001295A (es) 2004-10-21
FR2717325B1 (fr) 1996-06-28
FR2717325A1 (fr) 1995-09-15
JPH08510623A (ja) 1996-11-05
CN1127571A (zh) 1996-07-24
GB9522907D0 (en) 1996-01-10
SE9503987D0 (sv) 1995-11-10
IT1277860B1 (it) 1997-11-12
CN1039860C (zh) 1998-09-16
AU680737B2 (en) 1997-08-07
RU2143160C1 (ru) 1999-12-20
AU1832595A (en) 1995-09-25
HU9503148D0 (en) 1996-01-29
TW256965B (enExample) 1995-09-11
US5565881A (en) 1996-10-15
ITRM950140A1 (it) 1996-09-08
BR9505784A (pt) 1996-03-05
ITRM950140A0 (it) 1995-03-08

Similar Documents

Publication Publication Date Title
CA2160024A1 (en) A balun apparatus and method of designing same
US6803835B2 (en) Integrated filter balun
US7528676B2 (en) Balun circuit suitable for integration with chip antenna
CN111277296A (zh) 射频电路、射频芯片和电子设备
Byeon et al. Low-loss compact millimeter-wave power divider/combiner for phased array systems
KR20020026382A (ko) 안테나 장치
EP1208615B1 (en) Four port hybrid
US6914497B2 (en) Parallel multistage band-pass filter
KR102591621B1 (ko) 고주파 전력 결합기
CN104079288B (zh) 宽带耦合器
US10177726B1 (en) Waveguide to microstrip line N-port power splitter/combiner
CN215818097U (zh) 射频功率放大电路、发射模组、通信设备及通信系统
KR100470311B1 (ko) 비가역 회로 소자 및 통신장치
US20240063842A1 (en) Radio frequency circuit and communication device
CN220172349U (zh) 巴伦以及射频前端模组
WO2000051199A9 (en) Systems and methods for coaxially coupling an antenna through an insulator and for amplifying signals adjacent the insulator
KR200290120Y1 (ko) Pim 개선용 단일 루프 급전 듀플렉서
US6118911A (en) Waveguide switch matrix using junctions matched in only one state
JPH1065467A (ja) フィルタ付き低雑音増幅器
CN117525784A (zh) 一种ltcc小型化毫米波滤波-功分-巴伦模块
KR100533907B1 (ko) λ/4 전송선로를 소형화 시킨 전송선로
US20040251958A1 (en) Active filter
JP2005027185A (ja) 高周波モジュール
JPH06120708A (ja) フィルタ
US5959509A (en) Printed 180 degree differential phase shifter including a non-uniform non-regular line

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued