KR840006893A - 샘플링펄스 생성회로 - Google Patents
샘플링펄스 생성회로 Download PDFInfo
- Publication number
- KR840006893A KR840006893A KR1019830005179A KR830005179A KR840006893A KR 840006893 A KR840006893 A KR 840006893A KR 1019830005179 A KR1019830005179 A KR 1019830005179A KR 830005179 A KR830005179 A KR 830005179A KR 840006893 A KR840006893 A KR 840006893A
- Authority
- KR
- South Korea
- Prior art keywords
- pulse
- phase
- signal
- counting
- sampling
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
- H04N7/035—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal
-
- 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
- H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Television Systems (AREA)
- Manipulation Of Pulses (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
내용없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 문자다중 방송시스템을 설명하기 위한 신호파형도,
제2도는 본 발명에 관한 샘플링펄스 생성회로의 한 실시예를 도시하는 회로도,
제5도는 제2도에 도시하는 회로의 동작을 설명하기 위한 타이밍 차아트.
Claims (1)
- 피샘플링신호의 기준위상을 나타내는 기준신호에 등기시키도록 해서 상기 피샘플링신호를 샘플링하기위한 샘플링펄스를 생성하는 샘플링펄스 생성회로에 있어서, 상기 기준신호의 상승 및 하강의 타이밍을 나타내는 에지펄스를 출력하는 에지검출수단과 이 에지검출수단에서 에지펄스가 검출되었을 때 상기 샘플림펄스에 동기하고, 또 상기 기준신화와 같은 주파수를 가지는 비교펄스의 극성을 유지하는 극성유지수단과, 이 극성유지수단에 유지되는 극성에서 상기 비교펄스의 위상이 상기 기준신호의 위상보다 앞서있느냐 지연되느냐를 판별하고 그 판별결과에 따라 상기 에지펄스를 카운트용 클록으로서 카운트업 동작 또는 카운트다운 동작을 하는 카운트 수단과, 입력클록신호를 지연하여 상기 기준신호를 약 반주기분에 걸쳐서 위상이 다른 복수의 클록신호를 생성하는 지연수단과, 상기 카운터수단의 카운트치에 따라 상기 비교펄스의 위상이 상기 기준펄스의 위상보다 지연되는 경우는 상기 지연수단에서 출력되는 복수의 클록신호를 그 위상의 진행방향을 향해서 차례로 선택해가고, 반대로 진행되는 경우는 위상의 진연방향을 향해서 차례로 선택해가는 선택수단을 구비하고, 상기 선택수단으로부터 출력되는 클록신호로부터 상기 샘플링펄스를 얻도록 구성된 것을 특징으로 하는 샘플링펄스 생성회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57-196388 | 1982-11-09 | ||
JP57196388A JPS5986385A (ja) | 1982-11-09 | 1982-11-09 | サンプリングパルス生成回路 |
JP196388 | 1982-11-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840006893A true KR840006893A (ko) | 1984-12-03 |
KR870000050B1 KR870000050B1 (ko) | 1987-02-07 |
Family
ID=16357037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019830005179A KR870000050B1 (ko) | 1982-11-09 | 1983-11-01 | 샘플링펄스 생성회로 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4600943A (ko) |
JP (1) | JPS5986385A (ko) |
KR (1) | KR870000050B1 (ko) |
DE (1) | DE3340542C2 (ko) |
GB (1) | GB2129658B (ko) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59225640A (ja) * | 1983-06-06 | 1984-12-18 | Nitsuko Ltd | クロツク位相同期方式 |
JPS60182833A (ja) * | 1984-02-10 | 1985-09-18 | プライム・コンピユータ・インコーポレイテツド | リング形式データ通信回路網におけるクロツク回復装置 |
US4672639A (en) * | 1984-05-24 | 1987-06-09 | Kabushiki Kaisha Toshiba | Sampling clock pulse generator |
US4604582A (en) * | 1985-01-04 | 1986-08-05 | Lockheed Electronics Company, Inc. | Digital phase correlator |
US4675612A (en) * | 1985-06-21 | 1987-06-23 | Advanced Micro Devices, Inc. | Apparatus for synchronization of a first signal with a second signal |
CA1254957A (en) * | 1986-11-07 | 1989-05-30 | Mitel Corporation | Frequency doubler |
DE3639886A1 (de) * | 1986-11-21 | 1988-06-01 | Thomson Brandt Gmbh | Schaltung zur verarbeitung digitaler signale |
FR2608873B1 (fr) * | 1986-12-23 | 1989-03-24 | Radiotechnique Compelec | Dispositif de reception de donnees numeriques comportant un circuit de reconnaissance de debut de paquet |
JP2872238B2 (ja) * | 1987-06-08 | 1999-03-17 | 株式会社日立製作所 | クロツク信号供給装置 |
US4789895A (en) * | 1987-04-30 | 1988-12-06 | Gte Government Systems Corporation | System for synchronizing digital bit stream for telecommunication system |
EP0472756B1 (de) * | 1990-08-29 | 1995-08-16 | Deutsche ITT Industries GmbH | Signal-Abtrennvorrichtung |
JP3135253B2 (ja) * | 1990-11-02 | 2001-02-13 | キヤノン株式会社 | 信号処理装置 |
GB9112131D0 (en) * | 1991-06-05 | 1991-07-24 | Texas Instruments Ltd | Method and apparatus for detecting a sequence of input pulses |
JPH05266589A (ja) * | 1992-03-23 | 1993-10-15 | Sony Corp | デイジタル信号再生回路 |
US5485490A (en) * | 1992-05-28 | 1996-01-16 | Rambus, Inc. | Method and circuitry for clock synchronization |
USRE38482E1 (en) * | 1992-05-28 | 2004-03-30 | Rambus Inc. | Delay stage circuitry for a ring oscillator |
US6377308B1 (en) | 1996-06-26 | 2002-04-23 | Intel Corporation | Method and apparatus for line-specific decoding of VBI scan lines |
US5926491A (en) * | 1996-06-26 | 1999-07-20 | Intel Corporation | Noise tolerant run-in clock recovery method and apparatus |
US5953065A (en) * | 1996-06-26 | 1999-09-14 | Intel Corporation | Method and apparatus for common vertical blanking interval scan line decoding |
US5812217A (en) * | 1996-06-26 | 1998-09-22 | Intel Corporation | Automatically adjusting anti-ghosting filter coefficients when the coefficients exceed particular values |
US5838382A (en) * | 1996-06-26 | 1998-11-17 | Intel Corporation | Method and apparatus for optimizing starting point for run-in clock recovery |
US5812207A (en) * | 1996-12-20 | 1998-09-22 | Intel Corporation | Method and apparatus for supporting variable oversampling ratios when decoding vertical blanking interval data |
GB2348327B (en) * | 1999-02-18 | 2003-02-19 | Sgs Thomson Microelectronics | Clock skew removal appartus |
EP1148646A1 (de) * | 2000-04-19 | 2001-10-24 | TOSHIBA Electronics Europe GmbH | Verfahren zur Optimierung der Abtastung digitaler Signalwellen |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3509471A (en) * | 1966-11-16 | 1970-04-28 | Communications Satellite Corp | Digital phase lock loop for bit timing recovery |
FR2167259B1 (ko) * | 1972-01-11 | 1976-06-11 | Thomson Csf | |
US4012598A (en) * | 1976-01-14 | 1977-03-15 | Bell Telephone Laboratories, Incorporated | Method and means for pulse receiver synchronization |
US4119796A (en) * | 1976-11-01 | 1978-10-10 | Versitron, Inc. | Automatic data synchronizer |
FR2462825A1 (fr) * | 1979-07-27 | 1981-02-13 | Thomson Csf | Procede et dispositif pour la mise en phase d'une horloge locale |
NL183214C (nl) * | 1980-01-31 | 1988-08-16 | Philips Nv | Inrichting voor het synchroniseren van de fase van een lokaal opgewekt kloksignaal met de fase van een ingangssignaal. |
FR2479620B1 (fr) * | 1980-03-28 | 1988-01-08 | Thomson Csf | Dispositif de synchronisation d'informations numeriques transmises par paquets et recepteur comportant un tel dispositif |
DE3103574C2 (de) * | 1981-02-03 | 1983-06-16 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum Herstellen und Aufrechterhalten des Gleichlaufs zwischen von örtlich erzeugten Bittaktimpulsen abgeleiteten Envelopetaktimpulsen und in Envelopes eines binärcodierten Signals enthaltenen Synchronisierbits |
-
1982
- 1982-11-09 JP JP57196388A patent/JPS5986385A/ja active Pending
-
1983
- 1983-11-01 KR KR1019830005179A patent/KR870000050B1/ko not_active IP Right Cessation
- 1983-11-04 US US06/548,772 patent/US4600943A/en not_active Expired - Lifetime
- 1983-11-04 GB GB08329555A patent/GB2129658B/en not_active Expired
- 1983-11-09 DE DE3340542A patent/DE3340542C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2129658A (en) | 1984-05-16 |
US4600943A (en) | 1986-07-15 |
GB8329555D0 (en) | 1983-12-07 |
DE3340542A1 (de) | 1984-05-10 |
DE3340542C2 (de) | 1986-07-10 |
GB2129658B (en) | 1986-03-12 |
KR870000050B1 (ko) | 1987-02-07 |
JPS5986385A (ja) | 1984-05-18 |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20000127 Year of fee payment: 14 |
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LAPS | Lapse due to unpaid annual fee |