ES362257A1 - Ecualizador automatico para sistemas de transmision digi- tal. - Google Patents
Ecualizador automatico para sistemas de transmision digi- tal.Info
- Publication number
- ES362257A1 ES362257A1 ES362257A ES362257A ES362257A1 ES 362257 A1 ES362257 A1 ES 362257A1 ES 362257 A ES362257 A ES 362257A ES 362257 A ES362257 A ES 362257A ES 362257 A1 ES362257 A1 ES 362257A1
- Authority
- ES
- Spain
- Prior art keywords
- amplifier
- digital transmission
- attenuator
- automatic equalizer
- transmission systems
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Dc Digital Transmission (AREA)
- Filters And Equalizers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US693452A US3568100A (en) | 1967-12-26 | 1967-12-26 | Automatic equalizer for digital transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ES362257A1 true ES362257A1 (es) | 1970-12-01 |
Family
ID=24784709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES362257A Expired ES362257A1 (es) | 1967-12-26 | 1968-12-24 | Ecualizador automatico para sistemas de transmision digi- tal. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3568100A (es) |
JP (1) | JPS4639770B1 (es) |
BE (1) | BE725916A (es) |
ES (1) | ES362257A1 (es) |
FR (1) | FR1603582A (es) |
GB (1) | GB1249147A (es) |
NL (1) | NL146675B (es) |
SE (1) | SE355708B (es) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1928434A1 (de) * | 1969-06-04 | 1970-12-10 | Siemens Ag | Schaltungsanordnung zum Anschluss von Gleichstrom-Datenuebertragungssystemen mit niedriger Sendespannung an eine Datenvermittlung |
US3652952A (en) * | 1970-05-19 | 1972-03-28 | Bell Telephone Labor Inc | Electronically variable line build-out network |
US3911371A (en) * | 1971-07-24 | 1975-10-07 | Sony Corp | Signal transmission system |
JPS5532058B2 (es) * | 1973-02-09 | 1980-08-22 | ||
US3824501A (en) * | 1973-07-12 | 1974-07-16 | Bell Telephone Labor Inc | Automatic cable equalizer |
FR2238300B1 (es) * | 1973-07-20 | 1976-11-12 | Lignes Telegraph Telephon | |
DE2451912C3 (de) * | 1974-10-31 | 1980-02-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur Entzerrung des Dämpfungsverlaufs eines Niederfrequenzkabels |
US4273963A (en) * | 1979-05-25 | 1981-06-16 | Bell Telephone Laboratories, Incorporated | Automatic equalization for digital transmission systems |
GB2068196B (en) * | 1980-01-17 | 1984-02-15 | Standard Telephones Cables Ltd | Repeaters for digital transmission systems |
US4592068A (en) * | 1980-12-23 | 1986-05-27 | International Standard Electric Corporation | Repeater for a digital transmission system |
US4488126A (en) * | 1982-11-18 | 1984-12-11 | Northern Telecom Limited | Equalizer arrangement for mixed-gauge cables |
US4606043A (en) * | 1984-10-09 | 1986-08-12 | At&T Bell Laboratories | Programmable automatic cable equalizer |
US4887278A (en) * | 1986-07-29 | 1989-12-12 | Integrated Network Corporation | Equalizer for digital transmission systems |
US4745622A (en) * | 1986-07-29 | 1988-05-17 | Integrated Network Corporation | Equalizer for digital transmission systems |
US4785265A (en) * | 1987-10-01 | 1988-11-15 | The Babcock & Wilcox Company | Enhanced automatic line build out |
US4964116A (en) * | 1988-11-02 | 1990-10-16 | Ant Nachrichtentechnik Gmbh | DS3 - line interface linear array (lila) |
US4996497A (en) * | 1989-06-05 | 1991-02-26 | American Dynamics Corporation | Cable compensation circuit |
US5257286A (en) * | 1990-11-13 | 1993-10-26 | Level One Communications, Inc. | High frequency receive equalizer |
US5124673A (en) * | 1991-04-26 | 1992-06-23 | The Grass Valley Group, Inc. | Level independent automatic cable equalizer |
US5191300A (en) * | 1992-05-15 | 1993-03-02 | Tutankhamon Electronics, Inc. | Local area network amplifier for twisted pair lines |
US5444776A (en) * | 1993-11-12 | 1995-08-22 | Teltrend Inc. | Bridge for a network interface unit |
US5751338A (en) * | 1994-12-30 | 1998-05-12 | Visionary Corporate Technologies | Methods and systems for multimedia communications via public telephone networks |
US6972786B1 (en) | 1994-12-30 | 2005-12-06 | Collaboration Properties, Inc. | Multimedia services using central office |
US5805202A (en) * | 1995-10-20 | 1998-09-08 | Sensormatic Electronics Corporation | Automatic video cable compensation system |
US6044110A (en) * | 1996-08-15 | 2000-03-28 | Lsi Logic Corporation | Method and apparatus for transmission line equalization |
US5892412A (en) * | 1997-02-20 | 1999-04-06 | Lucent Technologies Inc. | Method of and an apparatus for tunable passive-gain equalization |
US6167082A (en) * | 1997-03-06 | 2000-12-26 | Level One Communications, Inc. | Adaptive equalizers and methods for carrying out equalization with a precoded transmitter |
US5880645A (en) * | 1997-07-03 | 1999-03-09 | Level One Communications, Inc. | Analog adaptive equalizer with gain and filter correction |
US7697600B2 (en) * | 2005-07-14 | 2010-04-13 | Altera Corporation | Programmable receiver equalization circuitry and methods |
US8031763B2 (en) * | 2006-12-28 | 2011-10-04 | Intel Corporation | Automatic tuning circuit for a continuous-time equalizer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3213196A (en) * | 1962-01-02 | 1965-10-19 | Gen Dynamics Corp | Data bit transmission system with means to adjust line equalizer in response to display on monitoring oscilloscope |
NL291586A (es) * | 1962-04-20 | |||
US3423535A (en) * | 1965-10-15 | 1969-01-21 | Bell Telephone Labor Inc | Carrier system slope regulator |
US3483335A (en) * | 1966-11-04 | 1969-12-09 | Itt | Equalizer circuitry utilizing photoresistors |
-
1967
- 1967-12-26 US US693452A patent/US3568100A/en not_active Expired - Lifetime
-
1968
- 1968-12-18 SE SE17342/68A patent/SE355708B/xx unknown
- 1968-12-23 BE BE725916D patent/BE725916A/xx not_active IP Right Cessation
- 1968-12-23 NL NL686818541A patent/NL146675B/xx not_active IP Right Cessation
- 1968-12-23 FR FR1603582D patent/FR1603582A/fr not_active Expired
- 1968-12-23 GB GB60967/68A patent/GB1249147A/en not_active Expired
- 1968-12-24 ES ES362257A patent/ES362257A1/es not_active Expired
- 1968-12-25 JP JP9460768A patent/JPS4639770B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1249147A (en) | 1971-10-06 |
SE355708B (es) | 1973-04-30 |
US3568100A (en) | 1971-03-02 |
NL146675B (nl) | 1975-07-15 |
DE1815126A1 (de) | 1970-02-05 |
NL6818541A (es) | 1969-06-30 |
DE1815126B2 (de) | 1970-08-13 |
FR1603582A (es) | 1971-05-03 |
BE725916A (es) | 1969-05-29 |
JPS4639770B1 (es) | 1971-11-24 |
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