ES477748A1 - Perfeccionamientos en acopladores de antenas aislados elec- tricamente entre el receptor y la antena. - Google Patents
Perfeccionamientos en acopladores de antenas aislados elec- tricamente entre el receptor y la antena.Info
- Publication number
- ES477748A1 ES477748A1 ES477748A ES477748A ES477748A1 ES 477748 A1 ES477748 A1 ES 477748A1 ES 477748 A ES477748 A ES 477748A ES 477748 A ES477748 A ES 477748A ES 477748 A1 ES477748 A1 ES 477748A1
- Authority
- ES
- Spain
- Prior art keywords
- transmission line
- conductor
- coupled
- bifilar
- transmission
- 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.)
- Expired
Links
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
- H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
-
- 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
-
- 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
- H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- 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
- H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
- H01F2019/085—Transformer for galvanic isolation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Details Of Aerials (AREA)
Abstract
Perfeccionamientos en acopladores de antenas aislados eléctricamente entre el receptor y la antena, del tipo de acoplador que se dispone para elaborar señales de RF en una gama de frecuencia de televisión, recibidas por una red de antena, que comprende: un primer y un segundo terminales de antena, medios de acoplamiento de señal para acoplar señales de RF en una gama de frecuencia de televisión, comprendiendo dichos medios de acoplamiento de señal un primer y un segundo terminales de entrada, caracterizados porque en dichos acopladores de disponen un núcleo que tiene una configuración de bucle cerrado, y una primera y una segunda líneas de transmisión que tienen cada una un primer y un segundo extremos, devanándose cada una de las líneas de transmisión alrededor de la configuración de bucle cerrado de núcleo en el mismo sentido y con un número predeterminado de espiras, acoplándose el primer extremo del primer conductor de la primera línea de transmisión al primer terminal de la antena, acoplándose el primer extremo del segundo conductor de la segunda línea de transmisión al segundo terminal de la antena, acoplándose el primer extremo del segundo conductor de la primera línea de transmisión al primer extremo del primer conductor de la segunda línea de transmisión, acoplándose el segundo extremo del segundo conductor de la primera línea de transmisión al primer terminal acoplador de entrada del divisor o distribuidor, acoplándose el segundo extremo del primer conductor de la segunda línea de transmisión al segundo terminal acoplador de entrada del divisor o separador, acoplándose el segundo extremo del primer conductor de la primera línea de transmisión al segundo extremo del segundo conductor de la segunda línea de transmisión, eligiéndose el número predeterminado de espiras para que determine un punto de 3 db de frecuencia superior mayor que la frecuencia máxima en la porción superior de dicha gama, siendo el núcleo de un material magnético que tiene características de permeabilidad que están en función inversa a la frecuencia y eligiéndose de modo que se determine virtualmente un punto de 3 db de frecuencia inferior por debajo de la frecuencia inferior en la porción inferior de dicha gama sin afectar virtualmente al punto de 3 db de frecuencia superior.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/878,131 US4173742A (en) | 1978-02-15 | 1978-02-15 | Antenna isolation device |
Publications (1)
Publication Number | Publication Date |
---|---|
ES477748A1 true ES477748A1 (es) | 1979-12-01 |
Family
ID=25371449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES477748A Expired ES477748A1 (es) | 1978-02-15 | 1979-02-15 | Perfeccionamientos en acopladores de antenas aislados elec- tricamente entre el receptor y la antena. |
Country Status (20)
Country | Link |
---|---|
US (1) | US4173742A (es) |
JP (1) | JPS5830771B2 (es) |
AU (1) | AU531218B2 (es) |
BE (1) | BE874136A (es) |
CA (1) | CA1137179A (es) |
DE (1) | DE2905821C2 (es) |
DK (1) | DK63379A (es) |
ES (1) | ES477748A1 (es) |
FI (1) | FI790424A (es) |
FR (1) | FR2417897A1 (es) |
GB (1) | GB2014797B (es) |
HU (1) | HU178083B (es) |
IT (1) | IT1192689B (es) |
MX (1) | MX4315E (es) |
NL (1) | NL7901189A (es) |
NO (1) | NO790490L (es) |
NZ (1) | NZ189651A (es) |
PL (1) | PL118819B1 (es) |
SE (1) | SE431602B (es) |
ZA (1) | ZA79553B (es) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4397037A (en) * | 1981-08-19 | 1983-08-02 | Rca Corporation | Diplexer for television tuning systems |
US4555809A (en) * | 1983-10-26 | 1985-11-26 | Rca Corporation | R.F. Diplexing and multiplexing means |
JPS62179471A (ja) * | 1986-02-03 | 1987-08-06 | ハルキー ロバーツ コーポレーション | 気管内カフ指示器 |
GB8613314D0 (en) * | 1986-06-02 | 1986-07-09 | Era Patents Ltd | Microwave apparatus |
US4789845A (en) * | 1988-01-20 | 1988-12-06 | Prabhakara Reddy | Broad band hybrid signal splitter |
DE3811983A1 (de) * | 1988-04-11 | 1989-10-19 | Siemens Ag | Anordnung zum betrieb einer symmetrischen hochfrequenz-antenne |
JP2737942B2 (ja) * | 1988-08-22 | 1998-04-08 | ソニー株式会社 | 受信機 |
US5351018A (en) * | 1992-11-25 | 1994-09-27 | Thomson Consumer Electronics, Inc. | Antenna isolation assembly for hot chassis receiver |
JPH06310337A (ja) * | 1993-04-23 | 1994-11-04 | Murata Mfg Co Ltd | アンテナコネクタ |
EP0801404A1 (en) * | 1996-03-25 | 1997-10-15 | Bark-Lee Yee | Induction device for high radio frequency signal distributor |
US5892412A (en) * | 1997-02-20 | 1999-04-06 | Lucent Technologies Inc. | Method of and an apparatus for tunable passive-gain equalization |
JP4055125B2 (ja) * | 2002-12-24 | 2008-03-05 | 日本光電工業株式会社 | 同軸ケーブルおよびそれを用いた伝送トランス |
KR20040028829A (ko) * | 2004-01-19 | 2004-04-03 | 박영석 | 발룬트랜스 조립제작방법 |
KR20120133587A (ko) * | 2011-05-31 | 2012-12-11 | 삼성전기주식회사 | 지상파 방송용 수신 모듈 |
GB201209086D0 (en) * | 2012-05-24 | 2012-07-04 | Technetix Bv | Improvements relating to Ferromagnetic Transformer Cores |
US9953756B2 (en) * | 2012-09-21 | 2018-04-24 | Ppc Broadband, Inc. | Radio frequency transformer winding coil structure |
GB201500772D0 (en) * | 2015-01-16 | 2015-03-04 | Rybtchinskaia Elena | Transmission line transformer |
US10504647B2 (en) * | 2017-04-03 | 2019-12-10 | Bel Fuse (Macao Commercial Off | Magnetic transformer having increased bandwidth for high speed data communications |
US10478561B2 (en) | 2017-08-03 | 2019-11-19 | Minhong Yu | Wireless transmission system with integrated sensing capability |
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 |
WO2022214708A1 (en) * | 2021-04-09 | 2022-10-13 | UWB X Limited | Ultrawideband isolating transformers with microwave junctions to interconnect windings and external ports |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2757343A (en) * | 1950-11-25 | 1956-07-31 | Philco Corp | Coupling network for television tuners |
US2865006A (en) * | 1954-02-15 | 1958-12-16 | Sabaroff Samuel | Longitudinal isolation device for high frequency signal transmission lines |
US3449704A (en) * | 1967-03-16 | 1969-06-10 | Tdk Electronics Co Ltd | Impedance transformer for vhf bands |
US3938046A (en) * | 1974-10-21 | 1976-02-10 | Sarkes Tarzian, Inc. | Network for isolating antenna from tuner |
-
1978
- 1978-02-15 US US05/878,131 patent/US4173742A/en not_active Expired - Lifetime
-
1979
- 1979-02-05 CA CA000320835A patent/CA1137179A/en not_active Expired
- 1979-02-05 AU AU43930/79A patent/AU531218B2/en not_active Ceased
- 1979-02-07 HU HU79RE644A patent/HU178083B/hu unknown
- 1979-02-08 SE SE7901134A patent/SE431602B/sv not_active IP Right Cessation
- 1979-02-08 ZA ZA79553A patent/ZA79553B/xx unknown
- 1979-02-08 FI FI790424A patent/FI790424A/fi unknown
- 1979-02-12 IT IT20135/79A patent/IT1192689B/it active
- 1979-02-12 GB GB7904848A patent/GB2014797B/en not_active Expired
- 1979-02-13 MX MX79100677U patent/MX4315E/es unknown
- 1979-02-13 BE BE193435A patent/BE874136A/xx not_active IP Right Cessation
- 1979-02-14 FR FR7903743A patent/FR2417897A1/fr active Granted
- 1979-02-14 NO NO790490A patent/NO790490L/no unknown
- 1979-02-14 JP JP54016723A patent/JPS5830771B2/ja not_active Expired
- 1979-02-14 NZ NZ189651A patent/NZ189651A/xx unknown
- 1979-02-14 NL NL7901189A patent/NL7901189A/xx not_active Application Discontinuation
- 1979-02-14 DK DK63379A patent/DK63379A/da not_active Application Discontinuation
- 1979-02-15 ES ES477748A patent/ES477748A1/es not_active Expired
- 1979-02-15 PL PL1979213448A patent/PL118819B1/pl unknown
- 1979-02-15 DE DE2905821A patent/DE2905821C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2417897B1 (es) | 1984-03-09 |
IT1192689B (it) | 1988-05-04 |
NO790490L (no) | 1979-08-16 |
SE7901134L (sv) | 1979-08-16 |
FR2417897A1 (fr) | 1979-09-14 |
PL213448A1 (pl) | 1979-12-17 |
MX4315E (es) | 1982-03-19 |
CA1137179A (en) | 1982-12-07 |
GB2014797B (en) | 1982-08-04 |
DE2905821C2 (de) | 1984-05-24 |
FI790424A (fi) | 1979-08-16 |
GB2014797A (en) | 1979-08-30 |
HU178083B (en) | 1982-03-28 |
JPS54117607A (en) | 1979-09-12 |
IT7920135A0 (it) | 1979-02-12 |
ZA79553B (en) | 1980-02-27 |
PL118819B1 (en) | 1981-10-31 |
US4173742A (en) | 1979-11-06 |
DE2905821A1 (de) | 1979-08-16 |
NL7901189A (nl) | 1979-08-17 |
BE874136A (fr) | 1979-05-29 |
NZ189651A (en) | 1982-12-21 |
JPS5830771B2 (ja) | 1983-07-01 |
AU4393079A (en) | 1979-08-23 |
SE431602B (sv) | 1984-02-13 |
DK63379A (da) | 1979-08-16 |
AU531218B2 (en) | 1983-08-18 |
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