JPS5593349A - Clock reproduction unit - Google Patents
Clock reproduction unitInfo
- Publication number
- JPS5593349A JPS5593349A JP142979A JP142979A JPS5593349A JP S5593349 A JPS5593349 A JP S5593349A JP 142979 A JP142979 A JP 142979A JP 142979 A JP142979 A JP 142979A JP S5593349 A JPS5593349 A JP S5593349A
- Authority
- JP
- Japan
- Prior art keywords
- clock
- picked
- circuit
- phase detector
- output
- 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
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
Abstract
PURPOSE:To obtain the stable clock in synchronizing with the clock picked up based on the detection signal, by detecting the phase difference between the clock picked up from the reception signal and the reference clock, in the digital communication such as time sharing multiplex connection. CONSTITUTION:Clock is picked up from the reception signal from the terminal 1 at the clock pickup circuit 2 and it is fed to the phase detector 5. The reference clock from the terminal 4 is fed to the phase detector 5 and also to the switch circuit 9 and inputted to the switch circuit 9 with shifted phase by 180 deg.. The output of the phase detector 5 is given to the switch circuit 9 via the level discrimination circuit 8. The output of the phase detector 5 is in level discrimination, and if the output level of the tank circuit 2b of the clock pickup circuit 2 is more than the reference value, it is the signal to select the reference clock having smaller phase difference with the picked up clock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP142979A JPS5593349A (en) | 1979-01-08 | 1979-01-08 | Clock reproduction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP142979A JPS5593349A (en) | 1979-01-08 | 1979-01-08 | Clock reproduction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5593349A true JPS5593349A (en) | 1980-07-15 |
Family
ID=11501207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP142979A Pending JPS5593349A (en) | 1979-01-08 | 1979-01-08 | Clock reproduction unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5593349A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6051338A (en) * | 1983-07-11 | 1985-03-22 | インタ−ナシヨナル スタンダ−ド エレクトリツク コ−ポレイシヨン | Arrival time instructing device of reception signal |
-
1979
- 1979-01-08 JP JP142979A patent/JPS5593349A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6051338A (en) * | 1983-07-11 | 1985-03-22 | インタ−ナシヨナル スタンダ−ド エレクトリツク コ−ポレイシヨン | Arrival time instructing device of reception signal |
| JPH0362332B2 (en) * | 1983-07-11 | 1991-09-25 | Intaanashonaru Sutandaado Erekutoritsuku Corp |
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