IT1279165B1 - Circuito per l'estrazione del segnale di orologio da un flusso dati ad alta velocita'. - Google Patents
Circuito per l'estrazione del segnale di orologio da un flusso dati ad alta velocita'.Info
- Publication number
- IT1279165B1 IT1279165B1 IT95TO000190A ITTO950190A IT1279165B1 IT 1279165 B1 IT1279165 B1 IT 1279165B1 IT 95TO000190 A IT95TO000190 A IT 95TO000190A IT TO950190 A ITTO950190 A IT TO950190A IT 1279165 B1 IT1279165 B1 IT 1279165B1
- Authority
- IT
- Italy
- Prior art keywords
- extraction
- circuit
- clock signal
- high speed
- data flow
- Prior art date
Links
- 238000000605 extraction Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
- H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means
- H03D13/004—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means the logic means delivering pulses at more than one terminal, e.g. up and down pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
- H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
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)
- Logic Circuits (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95TO000190A IT1279165B1 (it) | 1995-03-14 | 1995-03-14 | Circuito per l'estrazione del segnale di orologio da un flusso dati ad alta velocita'. |
US08/605,393 US5686849A (en) | 1995-03-14 | 1996-02-22 | Circuit for clock signal extraction from a high speed data stream |
DE0732830T DE732830T1 (de) | 1995-03-14 | 1996-03-12 | Schaltung zur Taktsignalgewinnung aus einem Hochgeschwindigkeitsdatenstrom |
EP96103852A EP0732830A3 (en) | 1995-03-14 | 1996-03-12 | Circuit for clock signal extraction from a high speed data stream |
CA002171690A CA2171690C (en) | 1995-03-14 | 1996-03-13 | Circuit for clock signal extraction from a high speed data stream |
JP8448196A JP2847493B2 (ja) | 1995-03-14 | 1996-03-14 | 高速データストリームからのクロック信号抽出回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95TO000190A IT1279165B1 (it) | 1995-03-14 | 1995-03-14 | Circuito per l'estrazione del segnale di orologio da un flusso dati ad alta velocita'. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO950190A0 ITTO950190A0 (it) | 1995-03-14 |
ITTO950190A1 ITTO950190A1 (it) | 1996-09-14 |
IT1279165B1 true IT1279165B1 (it) | 1997-12-04 |
Family
ID=11413351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT95TO000190A IT1279165B1 (it) | 1995-03-14 | 1995-03-14 | Circuito per l'estrazione del segnale di orologio da un flusso dati ad alta velocita'. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5686849A (it) |
EP (1) | EP0732830A3 (it) |
JP (1) | JP2847493B2 (it) |
CA (1) | CA2171690C (it) |
DE (1) | DE732830T1 (it) |
IT (1) | IT1279165B1 (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6020765A (en) * | 1997-05-30 | 2000-02-01 | Sun Microsystems, Inc. | Frequency difference detector for use with an NRZ signal |
JP3407197B2 (ja) | 1999-11-26 | 2003-05-19 | 松下電器産業株式会社 | PLL(PhaseLockedLoop)回路 |
GB2360152A (en) * | 2000-03-10 | 2001-09-12 | Rover Group | Control circuit arrangements |
KR100680476B1 (ko) * | 2000-06-30 | 2007-02-08 | 매그나칩 반도체 유한회사 | 차동 주파수 전류 변환기를 구비한 위상고정루프 |
US6987824B1 (en) * | 2000-09-21 | 2006-01-17 | International Business Machines Corporation | Method and system for clock/data recovery for self-clocked high speed interconnects |
CN100373776C (zh) | 2002-06-28 | 2008-03-05 | 先进微装置公司 | 具有自动频率调整的锁相回路 |
GB2426879C (en) * | 2003-12-12 | 2008-01-21 | Qualcomm Inc | A phase locked loop that sets gain automatically |
JP3968525B2 (ja) * | 2004-03-04 | 2007-08-29 | ソニー株式会社 | 位相同期回路および情報再生装置 |
US8208596B2 (en) * | 2007-01-17 | 2012-06-26 | Sony Corporation | System and method for implementing a dual-mode PLL to support a data transmission procedure |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4069462A (en) * | 1976-12-13 | 1978-01-17 | Data General Corporation | Phase-locked loops |
US4272729A (en) * | 1979-05-10 | 1981-06-09 | Harris Corporation | Automatic pretuning of a voltage controlled oscillator in a frequency synthesizer using successive approximation |
US4365211A (en) * | 1980-10-31 | 1982-12-21 | Westinghouse Electric Corp. | Phase-locked loop with initialization loop |
US4787097A (en) * | 1987-02-11 | 1988-11-22 | International Business Machines Corporation | NRZ phase-locked loop circuit with associated monitor and recovery circuitry |
US5157355A (en) * | 1988-09-13 | 1992-10-20 | Canon Kabushiki Kaisha | Phase-locked loop device having stability over wide frequency range |
US5015970A (en) * | 1990-02-15 | 1991-05-14 | Advanced Micro Devices, Inc. | Clock recovery phase lock loop having digitally range limited operating window |
KR950008461B1 (ko) * | 1992-03-18 | 1995-07-31 | 재단법인 한국전자통신연구소 | Nrz 데이터 비트 동기 장치 |
KR970003097B1 (ko) * | 1994-12-02 | 1997-03-14 | 양승택 | 다단 제어구조를 갖는 고속 비트동기 장치 |
-
1995
- 1995-03-14 IT IT95TO000190A patent/IT1279165B1/it active IP Right Grant
-
1996
- 1996-02-22 US US08/605,393 patent/US5686849A/en not_active Expired - Fee Related
- 1996-03-12 EP EP96103852A patent/EP0732830A3/en not_active Withdrawn
- 1996-03-12 DE DE0732830T patent/DE732830T1/de active Pending
- 1996-03-13 CA CA002171690A patent/CA2171690C/en not_active Expired - Fee Related
- 1996-03-14 JP JP8448196A patent/JP2847493B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0732830A3 (en) | 1999-05-06 |
ITTO950190A1 (it) | 1996-09-14 |
CA2171690C (en) | 2000-07-18 |
ITTO950190A0 (it) | 1995-03-14 |
US5686849A (en) | 1997-11-11 |
DE732830T1 (de) | 1999-08-19 |
JP2847493B2 (ja) | 1999-01-20 |
JPH08279747A (ja) | 1996-10-22 |
CA2171690A1 (en) | 1996-09-15 |
EP0732830A2 (en) | 1996-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |