DE3523067A1 - Schaltungsanordnung zur ableitung des taktes aus dem uebertragungssignal eines datenuebertragungssystems - Google Patents
Schaltungsanordnung zur ableitung des taktes aus dem uebertragungssignal eines datenuebertragungssystemsInfo
- Publication number
- DE3523067A1 DE3523067A1 DE19853523067 DE3523067A DE3523067A1 DE 3523067 A1 DE3523067 A1 DE 3523067A1 DE 19853523067 DE19853523067 DE 19853523067 DE 3523067 A DE3523067 A DE 3523067A DE 3523067 A1 DE3523067 A1 DE 3523067A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- filter
- input
- value
- clock
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000003595 spectral effect Effects 0.000 claims abstract description 14
- 230000001934 delay Effects 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000008054 signal transmission Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000009795 derivation Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8410355A FR2566979B1 (fr) | 1984-06-29 | 1984-06-29 | Extracteur de rythme pour systeme de transmission de donnees |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3523067A1 true DE3523067A1 (de) | 1986-01-09 |
| DE3523067C2 DE3523067C2 (https=) | 1993-06-09 |
Family
ID=9305628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853523067 Granted DE3523067A1 (de) | 1984-06-29 | 1985-06-27 | Schaltungsanordnung zur ableitung des taktes aus dem uebertragungssignal eines datenuebertragungssystems |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1254627A (https=) |
| DE (1) | DE3523067A1 (https=) |
| FR (1) | FR2566979B1 (https=) |
| NL (1) | NL191105C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69534154T2 (de) * | 1994-06-10 | 2005-09-22 | Ntt Docomo, Inc. | Empfänger |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2309089A1 (fr) * | 1975-04-25 | 1976-11-19 | Ibm France | Procede pour synchroniser l'horloge du recepteur d'un systeme de transmission de donnees et dispositif pour mettre en oeuvre le procede |
| GB2026796B (en) * | 1978-07-14 | 1982-09-29 | Fujitsu Ltd | Clock synchronization circuit |
| JPS5546660A (en) * | 1978-09-29 | 1980-04-01 | Fujitsu Ltd | Timing signal extraction circuit device |
-
1984
- 1984-06-29 FR FR8410355A patent/FR2566979B1/fr not_active Expired
-
1985
- 1985-06-20 CA CA000484664A patent/CA1254627A/fr not_active Expired
- 1985-06-24 NL NL8501813A patent/NL191105C/xx not_active IP Right Cessation
- 1985-06-27 DE DE19853523067 patent/DE3523067A1/de active Granted
Non-Patent Citations (1)
| Title |
|---|
| TAUB, SCHILLING: Principles of Communication Systems, McGraw-Hill, Tokyo u.a., 1971, S. 88 * |
Also Published As
| Publication number | Publication date |
|---|---|
| NL8501813A (nl) | 1986-01-16 |
| NL191105B (nl) | 1994-08-16 |
| CA1254627A (fr) | 1989-05-23 |
| FR2566979A1 (fr) | 1986-01-03 |
| DE3523067C2 (https=) | 1993-06-09 |
| FR2566979B1 (fr) | 1986-10-31 |
| NL191105C (nl) | 1995-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: H04L 7/00 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |