CA1009711A - Automatic cable equalizer - Google Patents
Automatic cable equalizerInfo
- Publication number
- CA1009711A CA1009711A CA199,192A CA199192A CA1009711A CA 1009711 A CA1009711 A CA 1009711A CA 199192 A CA199192 A CA 199192A CA 1009711 A CA1009711 A CA 1009711A
- Authority
- CA
- Canada
- Prior art keywords
- automatic cable
- cable equalizer
- equalizer
- automatic
- cable
- 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
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/14—Control of transmission; Equalising characterised by the equalising network used
- H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
- H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Networks Using Active Elements (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00378578A US3824501A (en) | 1973-07-12 | 1973-07-12 | Automatic cable equalizer |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1009711A true CA1009711A (en) | 1977-05-03 |
Family
ID=23493686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA199,192A Expired CA1009711A (en) | 1973-07-12 | 1974-05-07 | Automatic cable equalizer |
Country Status (10)
Country | Link |
---|---|
US (1) | US3824501A (de) |
JP (1) | JPS6052611B2 (de) |
BE (1) | BE817482A (de) |
CA (1) | CA1009711A (de) |
DE (1) | DE2432834C3 (de) |
FR (1) | FR2237380B1 (de) |
GB (1) | GB1470577A (de) |
IT (1) | IT1016568B (de) |
NL (1) | NL166163C (de) |
SE (1) | SE390095B (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3982080A (en) * | 1975-01-16 | 1976-09-21 | Bell Telephone Laboratories, Incorporated | Automatic cable balancing network |
DE2810504A1 (de) * | 1978-03-10 | 1979-09-13 | Siemens Ag | Schaltungsanordnung zur automatischen entzerrung eines signals |
EP0025090A1 (de) * | 1979-09-06 | 1981-03-18 | Siemens-Albis Aktiengesellschaft | Impulsregenerator |
GB2068196B (en) * | 1980-01-17 | 1984-02-15 | Standard Telephones Cables Ltd | Repeaters for digital transmission systems |
DE3047657A1 (de) * | 1980-12-18 | 1982-07-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur addaptiven quantisierten leitungsentzerrung bei der digitalen uebertragung |
NL8401370A (nl) * | 1984-05-01 | 1985-12-02 | Philips Nv | Filterschakeling. |
JPS60248031A (ja) * | 1984-05-24 | 1985-12-07 | Nec Corp | 自動等化器 |
US4606043A (en) * | 1984-10-09 | 1986-08-12 | At&T Bell Laboratories | Programmable automatic cable equalizer |
US4731590A (en) * | 1986-07-03 | 1988-03-15 | American Telephone And Telegraph Company, At&T Bell Laboratories | Circuits with multiple controlled gain elements |
US4745622A (en) * | 1986-07-29 | 1988-05-17 | Integrated Network Corporation | Equalizer for digital transmission systems |
US4887278A (en) * | 1986-07-29 | 1989-12-12 | Integrated Network Corporation | Equalizer for digital transmission systems |
US4759035A (en) * | 1987-10-01 | 1988-07-19 | Adtran | Digitally controlled, all rate equalizer |
US5058129A (en) * | 1989-10-11 | 1991-10-15 | Integrated Network Corporation | Two-wire digital transmission loop |
DE4005130C2 (de) * | 1990-02-17 | 1998-12-24 | Daimler Benz Aerospace Ag | Verfahren für die Frequenzgangkompensation langer HF-Kabel und Anordnung zur Durchführung des Verfahrens |
US5257286A (en) * | 1990-11-13 | 1993-10-26 | Level One Communications, Inc. | High frequency receive equalizer |
US5993757A (en) * | 1997-03-03 | 1999-11-30 | Henkel Corporation | Reoximation of metal extraction circuit organics |
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 |
US6731683B1 (en) * | 2000-10-02 | 2004-05-04 | Lsi Logic Corporation | Serial data communication receiver having adaptive equalization |
DE60204156T2 (de) * | 2001-08-28 | 2006-02-09 | Acuid Corp. (Guernsey) Ltd., St. Peter Port | Adaptiver entzerrerer zur verzerrungsverminderung in einem kommunikstionskanal |
US7656939B2 (en) * | 2004-10-25 | 2010-02-02 | Kawasaki Microelectronics America, Inc. | Adaptive equalizer with passive and active stages |
US9998303B1 (en) * | 2016-12-15 | 2018-06-12 | Cadence Design Systems, Inc. | Method of adaptively controlling a low frequency equalizer |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3568100A (en) * | 1967-12-26 | 1971-03-02 | Bell Telephone Labor Inc | Automatic equalizer for digital transmission systems |
US3528040A (en) * | 1968-12-12 | 1970-09-08 | Aerospace Res | Electronically variable filter |
US3578914A (en) * | 1969-04-09 | 1971-05-18 | Lynch Communication Systems | Equalizer with automatic line build-out |
JPS527304B1 (de) * | 1969-08-29 | 1977-03-01 | ||
FR2128152B1 (de) * | 1971-03-08 | 1974-02-15 | Lannionnais Electronique |
-
1973
- 1973-07-12 US US00378578A patent/US3824501A/en not_active Expired - Lifetime
-
1974
- 1974-05-07 CA CA199,192A patent/CA1009711A/en not_active Expired
- 1974-06-28 SE SE7408579A patent/SE390095B/xx not_active IP Right Cessation
- 1974-07-08 GB GB3012274A patent/GB1470577A/en not_active Expired
- 1974-07-08 NL NL7409217.A patent/NL166163C/xx not_active IP Right Cessation
- 1974-07-09 DE DE2432834A patent/DE2432834C3/de not_active Expired
- 1974-07-10 BE BE146414A patent/BE817482A/xx not_active IP Right Cessation
- 1974-07-11 IT IT69216/74A patent/IT1016568B/it active
- 1974-07-11 FR FR7424220A patent/FR2237380B1/fr not_active Expired
- 1974-07-11 JP JP49078797A patent/JPS6052611B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3824501A (en) | 1974-07-16 |
DE2432834A1 (de) | 1975-03-06 |
NL7409217A (nl) | 1975-01-14 |
FR2237380A1 (de) | 1975-02-07 |
SE7408579L (sv) | 1975-01-13 |
DE2432834C3 (de) | 1982-01-21 |
JPS5039847A (de) | 1975-04-12 |
BE817482A (fr) | 1974-11-04 |
IT1016568B (it) | 1977-06-20 |
SE390095B (sv) | 1976-11-29 |
DE2432834B2 (de) | 1976-05-26 |
FR2237380B1 (de) | 1978-02-17 |
GB1470577A (en) | 1977-04-14 |
JPS6052611B2 (ja) | 1985-11-20 |
NL166163C (nl) | 1981-06-15 |
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