IT1222405B - Estrattore digitale di segnale orologio con aggancio e correzione di fase per segnali bipolari - Google Patents
Estrattore digitale di segnale orologio con aggancio e correzione di fase per segnali bipolariInfo
- Publication number
- IT1222405B IT1222405B IT21527/87A IT2152787A IT1222405B IT 1222405 B IT1222405 B IT 1222405B IT 21527/87 A IT21527/87 A IT 21527/87A IT 2152787 A IT2152787 A IT 2152787A IT 1222405 B IT1222405 B IT 1222405B
- Authority
- IT
- Italy
- Prior art keywords
- phase correction
- hook
- digital signal
- signal
- signal extractor
- Prior art date
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
- H04L7/02—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
- H04L7/0331—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 with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21527/87A IT1222405B (it) | 1987-07-30 | 1987-07-30 | Estrattore digitale di segnale orologio con aggancio e correzione di fase per segnali bipolari |
US07/201,517 US4852124A (en) | 1987-07-30 | 1988-06-01 | Digital phase-locked loop clock extractor for bipolar signals |
ES88201377T ES2051293T3 (es) | 1987-07-30 | 1988-07-01 | Extractor digital de señal de reloj de bucle de enganche de fase para señales bipolares. |
AT88201377T ATE104490T1 (de) | 1987-07-30 | 1988-07-01 | Taktextrahierer mit digitaler phasenverriegelter schleife fuer bipolare signale. |
DE3889028T DE3889028T2 (de) | 1987-07-30 | 1988-07-01 | Taktextrahierer mit digitaler phasenverriegelter Schleife für bipolare Signale. |
AU18618/88A AU606963B2 (en) | 1987-07-30 | 1988-07-01 | Digital phase-locked-loop clock extractor for bipolar signals |
EP88201377A EP0301616B1 (en) | 1987-07-30 | 1988-07-01 | Digital phase-locked-loop clock extractor for bipolar signals |
YU01375/88A YU137588A (en) | 1987-07-30 | 1988-07-15 | Digital time extractor of phase locked loop for bipolar signals |
NO883325A NO173529C (no) | 1987-07-30 | 1988-07-27 | Digital klokkeutleder for bipolare signaler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21527/87A IT1222405B (it) | 1987-07-30 | 1987-07-30 | Estrattore digitale di segnale orologio con aggancio e correzione di fase per segnali bipolari |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8721527A0 IT8721527A0 (it) | 1987-07-30 |
IT1222405B true IT1222405B (it) | 1990-09-05 |
Family
ID=11183130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21527/87A IT1222405B (it) | 1987-07-30 | 1987-07-30 | Estrattore digitale di segnale orologio con aggancio e correzione di fase per segnali bipolari |
Country Status (9)
Country | Link |
---|---|
US (1) | US4852124A (it) |
EP (1) | EP0301616B1 (it) |
AT (1) | ATE104490T1 (it) |
AU (1) | AU606963B2 (it) |
DE (1) | DE3889028T2 (it) |
ES (1) | ES2051293T3 (it) |
IT (1) | IT1222405B (it) |
NO (1) | NO173529C (it) |
YU (1) | YU137588A (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3818843A1 (de) * | 1988-06-03 | 1989-12-07 | Standard Elektrik Lorenz Ag | Verfahren und schaltungsanordnung zur rueckgewinnung eines bittaktes aus einem empfangenen digitalen nachrichtensignal |
US5086435A (en) * | 1988-10-17 | 1992-02-04 | Rockwell International Corporation | Method and apparatus for detecting signals on digital data systems |
US5016259A (en) * | 1989-03-03 | 1991-05-14 | The Grass Valley Group, Inc. | Low jitter DDFS FSK modulator |
US5193087A (en) * | 1990-05-16 | 1993-03-09 | Tadiran, Ltd. | Electronic digital cross-connect system having bipolar violation transparency |
US5197086A (en) * | 1990-12-28 | 1993-03-23 | International Business Machines Corporation | High speed digital clock synchronizer |
US5208833A (en) * | 1991-04-08 | 1993-05-04 | Motorola, Inc. | Multi-level symbol synchronizer |
JP3347848B2 (ja) * | 1993-11-08 | 2002-11-20 | 株式会社ゼネラル リサーチ オブ エレクトロニックス | 多値信号復号回路 |
US5541967A (en) * | 1994-03-09 | 1996-07-30 | National Semiconductor Corporation | Fast symbol synchronization for use in conditioning a receiving modem |
US6182237B1 (en) * | 1998-08-31 | 2001-01-30 | International Business Machines Corporation | System and method for detecting phase errors in asics with multiple clock frequencies |
US6421785B1 (en) * | 1998-11-03 | 2002-07-16 | Intel Corporation | Clock selection for processing audio data |
SE516280C2 (sv) | 2000-04-06 | 2001-12-10 | Ericsson Telefon Ab L M | Förfarande och anordning för signalövervakning som baseras på ett glidande fönster |
US6343364B1 (en) * | 2000-07-13 | 2002-01-29 | Schlumberger Malco Inc. | Method and device for local clock generation using universal serial bus downstream received signals DP and DM |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4216544A (en) * | 1978-09-19 | 1980-08-05 | Northern Telecom Limited | Digital clock recovery circuit |
US4280099A (en) * | 1979-11-09 | 1981-07-21 | Sperry Corporation | Digital timing recovery system |
US4456890A (en) * | 1982-04-05 | 1984-06-26 | Computer Peripherals Inc. | Data tracking clock recovery system using digitally controlled oscillator |
US4667333A (en) * | 1983-12-22 | 1987-05-19 | Motorola, Inc. | Automatic clock recovery circuit |
US4628519A (en) * | 1984-04-06 | 1986-12-09 | Advanced Micro Devices, Inc. | Digital phase-locked loop circuit |
IT1214377B (it) * | 1984-06-13 | 1990-01-18 | Torino Sip Societa Italiana Pe | Circuito numerico per l estrazione di segnali di sincronismo da un flusso seriale di dati codificati |
US4694196A (en) * | 1984-12-07 | 1987-09-15 | American Telephone And Telegraph Company And At&T Information Systems | Clock recovery circuit |
-
1987
- 1987-07-30 IT IT21527/87A patent/IT1222405B/it active
-
1988
- 1988-06-01 US US07/201,517 patent/US4852124A/en not_active Expired - Fee Related
- 1988-07-01 DE DE3889028T patent/DE3889028T2/de not_active Expired - Fee Related
- 1988-07-01 ES ES88201377T patent/ES2051293T3/es not_active Expired - Lifetime
- 1988-07-01 AU AU18618/88A patent/AU606963B2/en not_active Ceased
- 1988-07-01 AT AT88201377T patent/ATE104490T1/de not_active IP Right Cessation
- 1988-07-01 EP EP88201377A patent/EP0301616B1/en not_active Expired - Lifetime
- 1988-07-15 YU YU01375/88A patent/YU137588A/xx unknown
- 1988-07-27 NO NO883325A patent/NO173529C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO883325L (no) | 1989-01-31 |
AU606963B2 (en) | 1991-02-21 |
EP0301616B1 (en) | 1994-04-13 |
NO173529B (no) | 1993-09-13 |
EP0301616A2 (en) | 1989-02-01 |
YU137588A (en) | 1991-02-28 |
NO173529C (no) | 1993-12-22 |
NO883325D0 (no) | 1988-07-27 |
DE3889028D1 (de) | 1994-05-19 |
US4852124A (en) | 1989-07-25 |
AU1861888A (en) | 1989-02-02 |
EP0301616A3 (en) | 1990-01-31 |
DE3889028T2 (de) | 1994-09-08 |
ATE104490T1 (de) | 1994-04-15 |
IT8721527A0 (it) | 1987-07-30 |
ES2051293T3 (es) | 1994-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960710 |