TW431064B - Balun - Google Patents

Balun

Info

Publication number
TW431064B
TW431064B TW088120023A TW88120023A TW431064B TW 431064 B TW431064 B TW 431064B TW 088120023 A TW088120023 A TW 088120023A TW 88120023 A TW88120023 A TW 88120023A TW 431064 B TW431064 B TW 431064B
Authority
TW
Taiwan
Prior art keywords
waveguide
balun
port
balun circuit
transforming
Prior art date
Application number
TW088120023A
Other languages
English (en)
Inventor
David Westberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of TW431064B publication Critical patent/TW431064B/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

  • Coils Or Transformers For Communication (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
TW088120023A 1999-07-08 1999-11-17 Balun TW431064B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9902629A SE9902629L (sv) 1999-07-08 1999-07-08 Balunkrets

Publications (1)

Publication Number Publication Date
TW431064B true TW431064B (en) 2001-04-21

Family

ID=20416437

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088120023A TW431064B (en) 1999-07-08 1999-11-17 Balun

Country Status (12)

Country Link
US (1) US6441696B1 (zh)
EP (1) EP1201031B1 (zh)
JP (1) JP2003504930A (zh)
KR (1) KR20020013940A (zh)
CN (1) CN1154229C (zh)
AU (1) AU6329700A (zh)
CA (1) CA2378394A1 (zh)
DE (1) DE60044188D1 (zh)
HK (1) HK1048203A1 (zh)
SE (1) SE9902629L (zh)
TW (1) TW431064B (zh)
WO (1) WO2001005029A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI583133B (zh) * 2016-09-20 2017-05-11 Nat Chi Nan Univ A power amplifier converter

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001020709A1 (de) * 1999-09-14 2001-03-22 Marconi Communications Gmbh Symmetrierglied
US6844792B1 (en) * 2002-05-15 2005-01-18 Zeevo Single ended tuning of a differential power amplifier output
US7283793B1 (en) 2002-05-15 2007-10-16 Broadcom Corporation Package filter and combiner network
US6982609B1 (en) * 2002-05-15 2006-01-03 Zeevo System method and apparatus for a three-line balun with power amplifier bias
US6819200B2 (en) * 2002-07-26 2004-11-16 Freescale Semiconductor, Inc. Broadband balun and impedance transformer for push-pull amplifiers
KR100531782B1 (ko) * 2002-08-13 2005-11-29 엘지전자 주식회사 밸룬 제조방법
KR100517946B1 (ko) * 2002-08-13 2005-09-30 엘지전자 주식회사 밸룬 구조
US6750752B2 (en) 2002-11-05 2004-06-15 Werlatone, Inc. High power wideband balun and power combiner/divider incorporating such a balun
EP1623479B1 (de) * 2003-05-14 2006-08-23 Rohde & Schwarz GmbH & Co. KG Umsymmetrieranordnung
DE10328333A1 (de) * 2003-05-14 2004-12-02 Rohde & Schwarz Gmbh & Co. Kg Umsymmetrieranordnung
KR100672062B1 (ko) * 2004-12-17 2007-01-22 삼성전자주식회사 마이크로스트립 타입의 밸룬 및 이를 적용한 방송수신장치
KR100653182B1 (ko) * 2005-07-26 2006-12-05 한국전자통신연구원 동평면 도파관 전송선로를 이용한 발룬
JP4073456B2 (ja) * 2006-01-30 2008-04-09 寛治 大塚 インピーダンス変換装置
US7562980B2 (en) * 2006-04-25 2009-07-21 Candace Rymniak Optical device for providing prescription correction to a mirror
KR100990298B1 (ko) 2006-09-29 2010-10-26 가부시키가이샤 무라타 세이사쿠쇼 평형 불평형 변환 소자 및 평형 불평형 변환 소자의제조방법
KR100831076B1 (ko) * 2007-04-30 2008-05-22 강원대학교산학협력단 이중모드 링 공진기를 이용한 발룬-대역 통과 필터
US9178262B2 (en) * 2013-01-15 2015-11-03 Tyce Electronics Corporation Feed network comprised of marchand baluns and coupled line quadrature hybrids
JP6163350B2 (ja) * 2013-05-02 2017-07-12 富士通株式会社 伝送回路、及び、信号送受信回路
CN109557381B (zh) * 2018-12-12 2021-04-09 上海埃德电子股份有限公司 一种无源emc滤波器对称插入损耗测量系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB438506A (en) * 1934-02-15 1935-11-15 William Spencer Percival Improvements in and relating to feeders and the like for electric currents of high frequency
US3869678A (en) * 1973-12-18 1975-03-04 Rca Corp Multiple transistor microwave amplifier
US4800393A (en) * 1987-08-03 1989-01-24 General Electric Company Microstrip fed printed dipole with an integral balun and 180 degree phase shift bit
JP2819883B2 (ja) * 1991-09-10 1998-11-05 日本電気株式会社 タリウム系酸化物超伝導体の製造方法
FR2696887B1 (fr) * 1992-10-09 1994-11-18 Thomson Lgt Amplificateur de puissance large bande haute fréquence.
US5412355A (en) * 1993-12-03 1995-05-02 Philips Electronics North America Corporation Resonant balun with arbitrary impedance
JP2773617B2 (ja) * 1993-12-17 1998-07-09 株式会社村田製作所 バルントランス
JP3033424B2 (ja) * 1994-02-28 2000-04-17 松下電工株式会社 平衡−不平衡変換器
US5619172A (en) * 1995-09-14 1997-04-08 Vari-L Company, Inc. High impedance ratio wideband transformer circuit
US5628057A (en) * 1996-03-05 1997-05-06 Motorola, Inc. Multi-port radio frequency signal transformation network
JPH10200360A (ja) * 1997-01-07 1998-07-31 Tdk Corp 積層バルントランス
JP3576754B2 (ja) * 1997-03-31 2004-10-13 日本電信電話株式会社 バラン回路及びバランス型周波数変換器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI583133B (zh) * 2016-09-20 2017-05-11 Nat Chi Nan Univ A power amplifier converter

Also Published As

Publication number Publication date
SE513470C2 (sv) 2000-09-18
KR20020013940A (ko) 2002-02-21
HK1048203A1 (zh) 2003-03-21
EP1201031A1 (en) 2002-05-02
SE9902629D0 (sv) 1999-07-08
CN1154229C (zh) 2004-06-16
WO2001005029A1 (en) 2001-01-18
JP2003504930A (ja) 2003-02-04
CN1360754A (zh) 2002-07-24
EP1201031B1 (en) 2010-04-14
AU6329700A (en) 2001-01-30
CA2378394A1 (en) 2001-01-18
SE9902629L (sv) 2000-09-18
DE60044188D1 (de) 2010-05-27
US6441696B1 (en) 2002-08-27

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Legal Events

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GD4A Issue of patent certificate for granted invention patent
MK4A Expiration of patent term of an invention patent