NO981086L - BredbÕndet transformatorkrets med h÷yt impedansomsetningsforhold - Google Patents
BredbÕndet transformatorkrets med h÷yt impedansomsetningsforholdInfo
- Publication number
- NO981086L NO981086L NO981086A NO981086A NO981086L NO 981086 L NO981086 L NO 981086L NO 981086 A NO981086 A NO 981086A NO 981086 A NO981086 A NO 981086A NO 981086 L NO981086 L NO 981086L
- Authority
- NO
- Norway
- Prior art keywords
- impedance conversion
- conversion ratio
- circuit
- transformer circuit
- high impedance
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title abstract 4
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
- H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Networks Using Active Elements (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
En transformatorkrets utfører bredbåndet impedansomsetning (tilpasning) og kan brukes i anvendelser for gradvis hevning eller senkning av spenning. Kretsen omfatter to transmisjonslinje-transformatorer (T1, T2) og to reaktive impedanser (Z1, Z2), som kompenserer kretsen mht. forholdet mellom impedans og frekvens. Kretsen gir det meget bredbåndede impedansomsetningsforhold av 1:9. Kretsen kan ha forskjellige vindingsforhold mht. transformatorene (T1, T2) og forskjellige verdier av de reaktive impedanser (Z1, 72), for å sørge for rasjonelle brøkdel- og heltallverdier av transforma- sjonen opp til et impedansomsetningsforhold av 16:1. Ved å koble en balun til utgangen frembringes det en balansert utgang.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/527,861 US5619172A (en) | 1995-09-14 | 1995-09-14 | High impedance ratio wideband transformer circuit |
PCT/US1996/014459 WO1997010645A1 (en) | 1995-09-14 | 1996-09-09 | High impedance ratio wideband transformer circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
NO981086D0 NO981086D0 (no) | 1998-03-12 |
NO981086L true NO981086L (no) | 1998-05-14 |
Family
ID=24103237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO981086A NO981086L (no) | 1995-09-14 | 1998-03-12 | BredbÕndet transformatorkrets med h÷yt impedansomsetningsforhold |
Country Status (12)
Country | Link |
---|---|
US (1) | US5619172A (no) |
EP (1) | EP0880823A4 (no) |
JP (1) | JP2001507527A (no) |
KR (1) | KR19990044630A (no) |
CN (1) | CN1199515A (no) |
AU (1) | AU704537B2 (no) |
BR (1) | BR9610500A (no) |
CA (1) | CA2231832A1 (no) |
EA (1) | EA000368B1 (no) |
IL (1) | IL124082A0 (no) |
NO (1) | NO981086L (no) |
WO (1) | WO1997010645A1 (no) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6130588A (en) * | 1998-11-12 | 2000-10-10 | Raytheon Company | Dual line power transformer |
US6239668B1 (en) * | 1999-04-14 | 2001-05-29 | General Instrument Corporation | RF balun and transformer with shunt compensation transmission line |
SE513470C2 (sv) * | 1999-07-08 | 2000-09-18 | Ericsson Telefon Ab L M | Balunkrets |
US7319435B2 (en) * | 2003-09-08 | 2008-01-15 | Pdseelectronics, Inc. | Balun for an antenna |
EP1796386A4 (en) | 2004-09-29 | 2010-03-24 | Sharp Kk | RECORDING DEVICE AND METHOD |
US7724484B2 (en) * | 2006-12-29 | 2010-05-25 | Cobham Defense Electronic Systems Corporation | Ultra broadband 10-W CW integrated limiter |
CN101056094B (zh) * | 2007-04-06 | 2010-04-21 | 鞍山吉兆电子有限公司 | 同轴型大功率低通滤波-阻抗变换器 |
KR101146025B1 (ko) * | 2009-01-30 | 2012-05-14 | (주)에이스안테나 | 저주파용 광대역 모노폴 안테나의 임피던스 매칭 장치 및 이를 구비한 모노폴 안테나 |
US8362870B2 (en) * | 2009-11-10 | 2013-01-29 | Taiwan Semiconductor Manufacturing Company, Ltd. | Impedance calibration circuit with uniform step heights |
KR101363251B1 (ko) * | 2012-12-27 | 2014-02-13 | 알에프코어 주식회사 | 광대역 전송선 발룬 트랜스포머 및 이를 이용한 전력 증폭기 |
DE102014218874A1 (de) * | 2014-09-19 | 2016-03-24 | Forschungszentrum Jülich GmbH | Spule mit hoher Güte |
CN107369879B (zh) * | 2017-07-26 | 2020-01-07 | 西安电子科技大学 | 一种天线 |
JP6724887B2 (ja) * | 2017-12-05 | 2020-07-15 | 株式会社村田製作所 | バルントランスおよびその製造方法 |
CN111989819B (zh) | 2018-03-06 | 2023-11-28 | 京瓷Avx元器件公司 | 薄膜表面可安装高频耦合器 |
JP7040372B2 (ja) * | 2018-09-11 | 2022-03-23 | 株式会社村田製作所 | コイル部品およびその製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3244998A (en) * | 1963-07-10 | 1966-04-05 | Collins Radio Co | Impedance matched broad band transistor amplifier |
US3882432A (en) * | 1974-06-28 | 1975-05-06 | Us Army | RF broadband transmission line impedance matching transformer pair for less than 4 to 1 impedance transformations |
JPS5459859A (en) * | 1977-10-20 | 1979-05-14 | Sanyo Electric Co Ltd | Input transformer device of television picture receiver |
US5051710A (en) * | 1990-06-25 | 1991-09-24 | Motorola, Inc. | Variable Zo transmission line transformer |
DE4103184A1 (de) * | 1991-02-02 | 1992-08-06 | Bosch Gmbh Robert | Hochfrequenz-breitbanduebertrager |
US5309120A (en) * | 1992-11-24 | 1994-05-03 | Harris Corporation | RF high power, high frequency, non-integer turns ratio bandpass auto-transformer and method |
US5495212A (en) * | 1994-12-19 | 1996-02-27 | Bh Electronics, Inc. | Coupling device connecting an unbalanced signal line to a balanced signal line |
-
1995
- 1995-09-14 US US08/527,861 patent/US5619172A/en not_active Expired - Lifetime
-
1996
- 1996-09-09 JP JP51203297A patent/JP2001507527A/ja active Pending
- 1996-09-09 EP EP96930789A patent/EP0880823A4/en not_active Withdrawn
- 1996-09-09 AU AU69716/96A patent/AU704537B2/en not_active Ceased
- 1996-09-09 CA CA002231832A patent/CA2231832A1/en not_active Abandoned
- 1996-09-09 KR KR1019980701883A patent/KR19990044630A/ko not_active Application Discontinuation
- 1996-09-09 CN CN96197553A patent/CN1199515A/zh active Pending
- 1996-09-09 WO PCT/US1996/014459 patent/WO1997010645A1/en not_active Application Discontinuation
- 1996-09-09 BR BR9610500-3A patent/BR9610500A/pt not_active Application Discontinuation
- 1996-09-09 IL IL12408296A patent/IL124082A0/xx unknown
- 1996-09-09 EA EA199800201A patent/EA000368B1/ru not_active IP Right Cessation
-
1998
- 1998-03-12 NO NO981086A patent/NO981086L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU704537B2 (en) | 1999-04-29 |
CA2231832A1 (en) | 1997-03-20 |
US5619172A (en) | 1997-04-08 |
IL124082A0 (en) | 1998-12-06 |
NO981086D0 (no) | 1998-03-12 |
EA000368B1 (ru) | 1999-06-24 |
EA199800201A1 (ru) | 1998-08-27 |
CN1199515A (zh) | 1998-11-18 |
AU6971696A (en) | 1997-04-01 |
BR9610500A (pt) | 1999-12-21 |
EP0880823A4 (en) | 2001-01-31 |
WO1997010645A1 (en) | 1997-03-20 |
JP2001507527A (ja) | 2001-06-05 |
EP0880823A1 (en) | 1998-12-02 |
KR19990044630A (ko) | 1999-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Withdrawal, rejection or dismissal of laid open patent application |