JPS5617545A - Timing phase control system for identification of high- speed duo-binary waveform - Google Patents
Timing phase control system for identification of high- speed duo-binary waveformInfo
- Publication number
- JPS5617545A JPS5617545A JP9403979A JP9403979A JPS5617545A JP S5617545 A JPS5617545 A JP S5617545A JP 9403979 A JP9403979 A JP 9403979A JP 9403979 A JP9403979 A JP 9403979A JP S5617545 A JPS5617545 A JP S5617545A
- Authority
- JP
- Japan
- Prior art keywords
- phase control
- output
- timing phase
- timing
- duo
- 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.)
- Pending
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
- H04L25/497—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 by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
PURPOSE:To prevent the out of leadin by setting forcedly the phase control voltage back into the lead in range in which the timing phase control is applied in case the phase control voltage reaches the upper or lower limit. CONSTITUTION:The transmitted digital signal is identified and reproduced by identifying/reproducing means 3 based on the timing signal of phase verying means 4. Then both the transmitted digital signal and the output of means 3 are applied to timing phase control signal generating means 5, and furthermore the output of means 15 and out-of-leadin detecting means 9. When means 9 detects that the timing phase control signal has reached the upper or lower limit, the output is delivered to reset pulse generating means 10. Receiving this output, reset pulse generating means 10 generates the periodical positive or negative polarity pulse train. This pulse train is set to a proper size through gain control means 14 and then applied to means 15. And means 4 is controlled by the output of means 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9403979A JPS5617545A (en) | 1979-07-24 | 1979-07-24 | Timing phase control system for identification of high- speed duo-binary waveform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9403979A JPS5617545A (en) | 1979-07-24 | 1979-07-24 | Timing phase control system for identification of high- speed duo-binary waveform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5617545A true JPS5617545A (en) | 1981-02-19 |
Family
ID=14099418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9403979A Pending JPS5617545A (en) | 1979-07-24 | 1979-07-24 | Timing phase control system for identification of high- speed duo-binary waveform |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5617545A (en) |
-
1979
- 1979-07-24 JP JP9403979A patent/JPS5617545A/en active Pending
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