SE7711007L - Anordning for automatisk atersynkronisering av datamottagare - Google Patents
Anordning for automatisk atersynkronisering av datamottagareInfo
- Publication number
- SE7711007L SE7711007L SE7711007A SE7711007A SE7711007L SE 7711007 L SE7711007 L SE 7711007L SE 7711007 A SE7711007 A SE 7711007A SE 7711007 A SE7711007 A SE 7711007A SE 7711007 L SE7711007 L SE 7711007L
- Authority
- SE
- Sweden
- Prior art keywords
- pulse
- integrating circuit
- equalizer
- resynchronization
- zero
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0071—Control of loops
- H04L2027/0073—Detection of synchronisation state
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7630034A FR2367386A1 (fr) | 1976-10-06 | 1976-10-06 | Dispositif de resynchronisation automatique d'un recepteur pour transmission de donnees |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7711007L true SE7711007L (sv) | 1978-04-07 |
SE429489B SE429489B (sv) | 1983-09-05 |
Family
ID=9178444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7711007A SE429489B (sv) | 1976-10-06 | 1977-10-03 | Anordning for automatisk atersynkronisering av en datatransmissionsmottagare |
Country Status (7)
Country | Link |
---|---|
US (1) | US4180705A (sv) |
JP (1) | JPS5919502B2 (sv) |
CA (1) | CA1116258A (sv) |
DE (1) | DE2744430C2 (sv) |
FR (1) | FR2367386A1 (sv) |
GB (1) | GB1556135A (sv) |
SE (1) | SE429489B (sv) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4247940A (en) * | 1979-10-15 | 1981-01-27 | Bell Telephone Laboratories, Incorporated | Equalizer for complex data signals |
JPS57109089A (en) * | 1980-12-26 | 1982-07-07 | Nec Corp | Initial value resetting circuit for operational amplifier |
JPS57159943U (sv) * | 1981-04-02 | 1982-10-07 | ||
EP0739563B1 (en) * | 1994-01-12 | 2000-09-27 | Rca Thomson Licensing Corporation | Higher order digital phase loop filter |
US10404499B2 (en) | 2016-12-22 | 2019-09-03 | Intel Corporation | Dispersion compensation for waveguide communication channels |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3879664A (en) * | 1973-05-07 | 1975-04-22 | Signatron | High speed digital communication receiver |
US3878468A (en) * | 1974-01-30 | 1975-04-15 | Bell Telephone Labor Inc | Joint equalization and carrier recovery adaptation in data transmission systems |
US3943448A (en) * | 1974-09-11 | 1976-03-09 | Hycom Incorporated | Apparatus and method for synchronizing a digital modem using a random multilevel data signal |
JPS5152264A (sv) * | 1974-09-11 | 1976-05-08 | Sharp Kk | |
US3955141A (en) * | 1974-10-18 | 1976-05-04 | Intertel, Inc. | Synchronizing circuit for modems in a data communications network |
FR2295649A1 (fr) * | 1974-12-20 | 1976-07-16 | Trt Telecom Radio Electr | Egaliseur de ligne autoadaptatif pour systeme de transmission de donnees |
FR2337468A1 (fr) | 1975-12-29 | 1977-07-29 | Trt Telecom Radio Electr | Discriminateur de phase pour recepteur d'un systeme de transmission de donnees |
-
1976
- 1976-10-06 FR FR7630034A patent/FR2367386A1/fr active Granted
-
1977
- 1977-10-01 JP JP52117331A patent/JPS5919502B2/ja not_active Expired
- 1977-10-03 GB GB40967/77A patent/GB1556135A/en not_active Expired
- 1977-10-03 DE DE2744430A patent/DE2744430C2/de not_active Expired
- 1977-10-03 SE SE7711007A patent/SE429489B/sv not_active IP Right Cessation
- 1977-10-03 US US05/838,633 patent/US4180705A/en not_active Expired - Lifetime
- 1977-10-05 CA CA288,221A patent/CA1116258A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1556135A (en) | 1979-11-21 |
JPS5919502B2 (ja) | 1984-05-07 |
DE2744430C2 (de) | 1985-08-01 |
FR2367386A1 (fr) | 1978-05-05 |
FR2367386B1 (sv) | 1982-03-05 |
DE2744430A1 (de) | 1978-04-13 |
US4180705A (en) | 1979-12-25 |
SE429489B (sv) | 1983-09-05 |
CA1116258A (en) | 1982-01-12 |
JPS5346208A (en) | 1978-04-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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