DE2649351A1 - Direkt gekoppelte, transformatorlose gabelschaltung - Google Patents
Direkt gekoppelte, transformatorlose gabelschaltungInfo
- Publication number
- DE2649351A1 DE2649351A1 DE19762649351 DE2649351A DE2649351A1 DE 2649351 A1 DE2649351 A1 DE 2649351A1 DE 19762649351 DE19762649351 DE 19762649351 DE 2649351 A DE2649351 A DE 2649351A DE 2649351 A1 DE2649351 A1 DE 2649351A1
- Authority
- DE
- Germany
- Prior art keywords
- current
- connection
- circuit
- loop
- terminal
- 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.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 claims description 89
- 230000002457 bidirectional effect Effects 0.000 claims description 28
- 230000000295 complement effect Effects 0.000 claims description 14
- 239000004065 semiconductor Substances 0.000 claims description 14
- 230000011664 signaling Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000001629 suppression Effects 0.000 claims description 3
- 238000010396 two-hybrid screening Methods 0.000 claims description 2
- 230000032683 aging Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000037361 pathway Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 16
- 239000003990 capacitor Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- LXEKPEMOWBOYRF-UHFFFAOYSA-N [2-[(1-azaniumyl-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidoyl]azanium;dichloride Chemical compound Cl.Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N LXEKPEMOWBOYRF-UHFFFAOYSA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 241000287127 Passeridae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/586—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using an electronic circuit
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/03—Hybrid circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Interface Circuits In Exchanges (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/575,927 US4004109A (en) | 1975-05-09 | 1975-05-09 | Hybrid circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2649351A1 true DE2649351A1 (de) | 1978-05-03 |
Family
ID=24302267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762649351 Withdrawn DE2649351A1 (de) | 1975-05-09 | 1976-10-29 | Direkt gekoppelte, transformatorlose gabelschaltung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4004109A (enExample) |
| CA (1) | CA1075778A (enExample) |
| DE (1) | DE2649351A1 (enExample) |
| FR (1) | FR2379203A1 (enExample) |
| GB (1) | GB1514103A (enExample) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426365A1 (fr) * | 1978-05-19 | 1979-12-14 | Philips Nv | Circuit hybride pour une liaison deux-quatre fils a reglage automatique |
| FR2430153A1 (fr) * | 1978-06-26 | 1980-01-25 | Trt Telecom Radio Electr | Joncteur d'abonne destine a assurer sans transformateur un couplage deux fils-quatre fils |
| FR2431232A1 (fr) * | 1978-07-13 | 1980-02-08 | Philips Nv | Dispositif pour amener un signal a une ligne de transmission |
| FR2437757A2 (fr) * | 1978-06-26 | 1980-04-25 | Trt Telecom Radio Electr | Joncteur d'abonne destine a assurer un couplage en deux fils ou quatre fils avec un central telephonique |
| EP0021509A1 (fr) * | 1979-06-25 | 1981-01-07 | Telecommunications Radioelectriques Et Telephoniques T.R.T. | Joncteur d'abonné électronique |
| EP0029823A1 (fr) * | 1979-06-25 | 1981-06-03 | Telecommunications Radioelectriques Et Telephoniques T.R.T. | Circuit de pondération de courants |
| EP0096756A3 (en) * | 1982-05-19 | 1985-01-30 | Compagnie Industrielle Des Telecommunications Cit-Alcatel S.A. Dite: | Electronic subscriber junctor |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH599731A5 (enExample) * | 1976-03-02 | 1978-05-31 | Ibm | |
| US4064377A (en) * | 1976-03-11 | 1977-12-20 | Wescom Switching, Inc. | Electronic hybrid and hybrid repeater |
| US4203012A (en) * | 1977-07-14 | 1980-05-13 | Boxall Frank S | Hybrid circuit using current mirror circuits |
| US4174470A (en) * | 1978-10-10 | 1979-11-13 | Bell Telephone Laboratories, Incorporated | Electronic hybrid |
| US4181824A (en) * | 1978-10-10 | 1980-01-01 | Bell Telephone Laboratories, Incorporated | Balancing impedance circuit |
| DE2911866C3 (de) * | 1979-03-26 | 1982-03-11 | Siemens AG, 1000 Berlin und 8000 München | Anordnung mit einer Gabelschaltung für den Zweidraht-Vierdraht-Übergang in PCM-Zeitmultiplexsystemen |
| US4272656A (en) * | 1979-04-05 | 1981-06-09 | Precision Monolithics, Inc. | Quasi-resistive battery feed for telephone circuits |
| NL7903662A (nl) * | 1979-05-10 | 1980-11-12 | Philips Nv | Lijncircuit. |
| NL7903665A (nl) * | 1979-05-10 | 1980-11-12 | Philips Nv | Aansluitschakeling voor een telefoonlijn. |
| NL7903664A (nl) * | 1979-05-10 | 1980-11-12 | Philips Nv | Lijncircuit. |
| US4300023A (en) * | 1979-08-13 | 1981-11-10 | Motorola, Inc. | Hybrid circuit |
| JPS56144644A (en) * | 1980-04-14 | 1981-11-11 | Nec Corp | Two-wire to four-wire convertion circuit |
| US4314196A (en) * | 1980-07-14 | 1982-02-02 | Motorola Inc. | Current limiting circuit |
| US4358645A (en) * | 1980-08-05 | 1982-11-09 | Motorola, Inc. | Loop sensing circuit for use with a subscriber loop interface circuit |
| US4322586A (en) * | 1980-11-13 | 1982-03-30 | Northern Telecom Limited | Transformerless line interface circuit |
| JPS57104336A (en) * | 1980-12-20 | 1982-06-29 | Oki Electric Ind Co Ltd | Hybrid circuit |
| CA1171989A (en) * | 1981-02-17 | 1984-07-31 | Denis W. Aull | Battery feed circuit |
| US4476350A (en) * | 1981-02-17 | 1984-10-09 | Bell Telephone Laboratories, Incorporated | Battery feed circuit |
| US4406929A (en) * | 1981-02-26 | 1983-09-27 | Motorola Inc. | Hook status detector for a subscriber loop interface circuit |
| US4377730A (en) * | 1981-06-08 | 1983-03-22 | Motorola, Inc. | Tone elimination circuit |
| CA1177985A (en) * | 1981-09-24 | 1984-11-13 | Don W. Zobel | Electronic terminator circuit |
| US4431874A (en) * | 1981-09-24 | 1984-02-14 | Motorola, Inc. | Balanced current multiplier circuit for a subscriber loop interface circuit |
| US4419542A (en) * | 1982-05-17 | 1983-12-06 | Bell Telephone Laboratories, Incorporated | Battery feed circuit |
| GB2130851A (en) * | 1982-11-24 | 1984-06-06 | Grundy & Partners Ltd | Hybrid junction circuits |
| JP2780363B2 (ja) * | 1989-08-11 | 1998-07-30 | 富士通株式会社 | ハイブリッド回路 |
| EP0693846A3 (en) * | 1994-06-24 | 1999-05-26 | Harris Corporation | Telephone subscriber line interface circuit and method |
| US6792105B1 (en) | 2000-10-31 | 2004-09-14 | 3Com Corporation | Current-mode differential active hybrid circuit |
| US7054374B1 (en) * | 2000-12-29 | 2006-05-30 | Intel Corporation | Differential simultaneous bi-directional receiver |
| US7889752B2 (en) * | 2003-06-05 | 2011-02-15 | Marvell International Ltd. | Dual ported network physical layer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2511948A (en) * | 1950-06-20 | Hybrid circuit | ||
| US3180947A (en) * | 1961-09-12 | 1965-04-27 | Sylvania Electric Prod | Electronic bridge hybrid circuit |
| US3530260A (en) * | 1966-12-23 | 1970-09-22 | Bell Telephone Labor Inc | Transistor hybrid circuit |
| NL7000395A (enExample) * | 1970-01-13 | 1971-07-15 | ||
| FR2160308B1 (enExample) * | 1971-11-19 | 1977-01-28 | Labo Cent Telecommunicat | |
| US3778563A (en) * | 1972-03-29 | 1973-12-11 | Lear Siegler Inc | Voice frequency repeater |
| NL7208148A (enExample) * | 1972-06-15 | 1973-12-18 |
-
1975
- 1975-05-09 US US05/575,927 patent/US4004109A/en not_active Expired - Lifetime
-
1976
- 1976-10-25 CA CA264,114A patent/CA1075778A/en not_active Expired
- 1976-10-26 GB GB44397/76A patent/GB1514103A/en not_active Expired
- 1976-10-29 DE DE19762649351 patent/DE2649351A1/de not_active Withdrawn
- 1976-11-02 FR FR7632942A patent/FR2379203A1/fr active Granted
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426365A1 (fr) * | 1978-05-19 | 1979-12-14 | Philips Nv | Circuit hybride pour une liaison deux-quatre fils a reglage automatique |
| FR2430153A1 (fr) * | 1978-06-26 | 1980-01-25 | Trt Telecom Radio Electr | Joncteur d'abonne destine a assurer sans transformateur un couplage deux fils-quatre fils |
| FR2437757A2 (fr) * | 1978-06-26 | 1980-04-25 | Trt Telecom Radio Electr | Joncteur d'abonne destine a assurer un couplage en deux fils ou quatre fils avec un central telephonique |
| FR2431232A1 (fr) * | 1978-07-13 | 1980-02-08 | Philips Nv | Dispositif pour amener un signal a une ligne de transmission |
| EP0021509A1 (fr) * | 1979-06-25 | 1981-01-07 | Telecommunications Radioelectriques Et Telephoniques T.R.T. | Joncteur d'abonné électronique |
| FR2460078A1 (fr) * | 1979-06-25 | 1981-01-16 | Trt Telecom Radio Electr | Joncteur d'abonne electronique |
| EP0029823A1 (fr) * | 1979-06-25 | 1981-06-03 | Telecommunications Radioelectriques Et Telephoniques T.R.T. | Circuit de pondération de courants |
| EP0096756A3 (en) * | 1982-05-19 | 1985-01-30 | Compagnie Industrielle Des Telecommunications Cit-Alcatel S.A. Dite: | Electronic subscriber junctor |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1075778A (en) | 1980-04-15 |
| GB1514103A (en) | 1978-06-14 |
| FR2379203B1 (enExample) | 1980-11-07 |
| US4004109A (en) | 1977-01-18 |
| FR2379203A1 (fr) | 1978-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| 8130 | Withdrawal |