JPS524720A - Two-ways constant current circuit - Google Patents
Two-ways constant current circuitInfo
- Publication number
- JPS524720A JPS524720A JP8119675A JP8119675A JPS524720A JP S524720 A JPS524720 A JP S524720A JP 8119675 A JP8119675 A JP 8119675A JP 8119675 A JP8119675 A JP 8119675A JP S524720 A JPS524720 A JP S524720A
- Authority
- JP
- Japan
- Prior art keywords
- ways
- constant current
- current circuit
- make
- line
- 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
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Bidirectional Digital Transmission (AREA)
- Dc Digital Transmission (AREA)
Abstract
PURPOSE:To make the absolute value of the current level of a bipolar signal constant with no respect to the length of a line, make the whole circuit economical and reduce the size thereof in a communication line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8119675A JPS524720A (en) | 1975-07-01 | 1975-07-01 | Two-ways constant current circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8119675A JPS524720A (en) | 1975-07-01 | 1975-07-01 | Two-ways constant current circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS524720A true JPS524720A (en) | 1977-01-14 |
JPS572219B2 JPS572219B2 (en) | 1982-01-14 |
Family
ID=13739710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8119675A Granted JPS524720A (en) | 1975-07-01 | 1975-07-01 | Two-ways constant current circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS524720A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6397045A (en) * | 1986-10-13 | 1988-04-27 | Toyo Commun Equip Co Ltd | Data transmission line driver |
JPH03243040A (en) * | 1990-02-21 | 1991-10-30 | Anritsu Corp | Bidirectional current control circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS511889A (en) * | 1974-06-20 | 1976-01-09 | Yokogawa Electric Works Ltd | NISENSHIKI SHINGODENSOHOSHIKI |
-
1975
- 1975-07-01 JP JP8119675A patent/JPS524720A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS511889A (en) * | 1974-06-20 | 1976-01-09 | Yokogawa Electric Works Ltd | NISENSHIKI SHINGODENSOHOSHIKI |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6397045A (en) * | 1986-10-13 | 1988-04-27 | Toyo Commun Equip Co Ltd | Data transmission line driver |
JPH03243040A (en) * | 1990-02-21 | 1991-10-30 | Anritsu Corp | Bidirectional current control circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS572219B2 (en) | 1982-01-14 |
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