GB2014403A - Interfacing of broad-band HF signals to cables - Google Patents
Interfacing of broad-band HF signals to cablesInfo
- Publication number
- GB2014403A GB2014403A GB7903271A GB7903271A GB2014403A GB 2014403 A GB2014403 A GB 2014403A GB 7903271 A GB7903271 A GB 7903271A GB 7903271 A GB7903271 A GB 7903271A GB 2014403 A GB2014403 A GB 2014403A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signals
- broad
- band
- voltage capacitor
- interfacing
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/44—Arrangements for feeding power to a repeater along the transmission line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
- H04L25/4923—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes
- H04L25/4925—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes using balanced bipolar ternary codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Dc Digital Transmission (AREA)
Abstract
The invention concerns devices for feeding in and reception of broad- band HF pulse signals on a remotely fed length of cable through high- voltage capacitor arrangements at the receiving and transmitting ends. In conventional systems the signals transmitted through the high-voltage capacitors tend to be distorted. As described, the invention provides a processing stage SE, L3 for additional regeneration of the signals transmitted through the high-voltage capacitor C1. The signals are processed in a stage E1, S1, L1 before transmission through the high-voltage capacitor C1 to reduce the d.c. and low frequency components thereof. Devices in accordance with the invention are particularly suited for use in PCM broad-band systems. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2804086A DE2804086B2 (en) | 1978-01-31 | 1978-01-31 | Method for coupling and decoupling a broadband impulse signal to a cable section with remote-fed repeater stations |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2014403A true GB2014403A (en) | 1979-08-22 |
GB2014403B GB2014403B (en) | 1982-05-19 |
Family
ID=6030798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7903271A Expired GB2014403B (en) | 1978-01-31 | 1979-01-30 | Interfacing of broad-band hf signals to cables |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5822895B2 (en) |
DE (1) | DE2804086B2 (en) |
FR (1) | FR2416594A1 (en) |
GB (1) | GB2014403B (en) |
IT (1) | IT1110074B (en) |
NL (1) | NL7900791A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0084625A2 (en) * | 1982-01-21 | 1983-08-03 | ANT Nachrichtentechnik GmbH | Fibre-optic transmission system |
EP0126398A1 (en) * | 1983-05-16 | 1984-11-28 | Siemens Aktiengesellschaft | Arrangement for transmitting digital AMI-coded signals |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2906244C2 (en) * | 1979-02-19 | 1984-01-26 | Siemens AG, 1000 Berlin und 8000 München | Input arrangement for a line terminal on the receiving side of a communication system |
US4471399A (en) * | 1982-03-11 | 1984-09-11 | Westinghouse Electric Corp. | Power-line baseband communication system |
DE3222341A1 (en) * | 1982-06-14 | 1983-12-15 | Siemens AG, 1000 Berlin und 8000 München | TRANSMITTER LEVEL FOR DIGITAL SIGNALS, HIGH STEP-SPEED |
DE3224479A1 (en) * | 1982-06-30 | 1984-01-05 | Siemens AG, 1000 Berlin und 8000 München | Arrangement for generating pseudo-ternary signals free of direct current |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1919110B2 (en) * | 1969-04-15 | 1972-08-17 | Siemens AG, 1000 Berlin u. 8000 München | ARRANGEMENT FOR PULSE OPERATION WITH ONE OR MORE WAVE CONDUCTOR SYSTEMS |
JPS579255B2 (en) * | 1972-04-10 | 1982-02-20 | ||
JPS5814108B2 (en) * | 1973-11-26 | 1983-03-17 | 日本電信電話株式会社 | bipolar unipolar |
JPS5847898B2 (en) * | 1975-08-25 | 1983-10-25 | 株式会社田村電機製作所 | Demodulation circuit in biphasic data transmission system |
DE2623444C3 (en) * | 1976-05-25 | 1979-07-12 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Digital messaging system |
-
1978
- 1978-01-31 DE DE2804086A patent/DE2804086B2/en not_active Withdrawn
-
1979
- 1979-01-19 FR FR7901378A patent/FR2416594A1/en active Granted
- 1979-01-26 IT IT19628/79A patent/IT1110074B/en active
- 1979-01-30 GB GB7903271A patent/GB2014403B/en not_active Expired
- 1979-01-30 JP JP54008808A patent/JPS5822895B2/en not_active Expired
- 1979-01-31 NL NL7900791A patent/NL7900791A/en not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0084625A2 (en) * | 1982-01-21 | 1983-08-03 | ANT Nachrichtentechnik GmbH | Fibre-optic transmission system |
EP0084625A3 (en) * | 1982-01-21 | 1985-05-15 | ANT Nachrichtentechnik GmbH | Fibre-optic transmission system |
EP0126398A1 (en) * | 1983-05-16 | 1984-11-28 | Siemens Aktiengesellschaft | Arrangement for transmitting digital AMI-coded signals |
Also Published As
Publication number | Publication date |
---|---|
JPS5822895B2 (en) | 1983-05-12 |
IT1110074B (en) | 1985-12-23 |
FR2416594B1 (en) | 1984-01-20 |
IT7919628A0 (en) | 1979-01-26 |
FR2416594A1 (en) | 1979-08-31 |
JPS54114025A (en) | 1979-09-05 |
GB2014403B (en) | 1982-05-19 |
DE2804086B2 (en) | 1979-12-06 |
DE2804086A1 (en) | 1979-08-02 |
NL7900791A (en) | 1979-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |