CN115001486A - 时钟数据恢复电路及时钟数据恢复方法 - Google Patents
时钟数据恢复电路及时钟数据恢复方法 Download PDFInfo
- Publication number
- CN115001486A CN115001486A CN202110224295.0A CN202110224295A CN115001486A CN 115001486 A CN115001486 A CN 115001486A CN 202110224295 A CN202110224295 A CN 202110224295A CN 115001486 A CN115001486 A CN 115001486A
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- China
- Prior art keywords
- frequency
- phase
- input data
- clock signal
- 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.)
- Pending
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000003111 delayed effect Effects 0.000 claims abstract description 37
- 230000001934 delay Effects 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000010354 integration Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
- H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
-
- 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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter 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
- H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
-
- 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
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0814—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the phase shifting device being digitally controlled
-
- 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
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/04—Distributors combined with modulators or demodulators
- H04J3/047—Distributors with transistors or integrated circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
- H04L7/0087—Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (10)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110224295.0A CN115001486A (zh) | 2021-03-01 | 2021-03-01 | 时钟数据恢复电路及时钟数据恢复方法 |
EP21928846.1A EP4300828A4 (en) | 2021-03-01 | 2021-11-15 | CLOCK DATA RECOVERY CIRCUIT AND CLOCK DATA RECOVERY METHOD |
JP2023553438A JP2024509432A (ja) | 2021-03-01 | 2021-11-15 | クロックデータリカバリ回路及びクロックデータリカバリ方法 |
PCT/CN2021/130752 WO2022183774A1 (zh) | 2021-03-01 | 2021-11-15 | 时钟数据恢复电路及时钟数据恢复方法 |
US18/279,895 US20240146502A1 (en) | 2021-03-01 | 2021-11-15 | Clock data recovery circuit and clock data recovery method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110224295.0A CN115001486A (zh) | 2021-03-01 | 2021-03-01 | 时钟数据恢复电路及时钟数据恢复方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115001486A true CN115001486A (zh) | 2022-09-02 |
Family
ID=83018548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110224295.0A Pending CN115001486A (zh) | 2021-03-01 | 2021-03-01 | 时钟数据恢复电路及时钟数据恢复方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240146502A1 (zh) |
EP (1) | EP4300828A4 (zh) |
JP (1) | JP2024509432A (zh) |
CN (1) | CN115001486A (zh) |
WO (1) | WO2022183774A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117559992A (zh) * | 2024-01-12 | 2024-02-13 | 成都电科星拓科技有限公司 | 时钟数据恢复电路及芯片 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115940890A (zh) * | 2022-12-30 | 2023-04-07 | 成都市汉云星河网络系统有限公司 | 一种e1接口线路信号的时钟和数据恢复装置和方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5036298A (en) * | 1990-04-26 | 1991-07-30 | Analog Devices, Inc. | Clock recovery circuit without jitter peaking |
JP3931477B2 (ja) * | 1998-12-03 | 2007-06-13 | 三菱電機株式会社 | クロック再生/識別装置 |
US6747518B1 (en) * | 2002-12-30 | 2004-06-08 | Broadcom Corporation | CDR lock detector with hysteresis |
CN100521597C (zh) * | 2003-05-01 | 2009-07-29 | 三菱电机株式会社 | 时钟数据恢复电路 |
WO2008114509A1 (ja) * | 2007-03-20 | 2008-09-25 | Advantest Corporation | クロックデータリカバリ回路、方法ならびにそれらを利用した試験装置 |
US8509371B2 (en) * | 2009-09-29 | 2013-08-13 | Analog Devices, Inc. | Continuous-rate clock recovery circuit |
-
2021
- 2021-03-01 CN CN202110224295.0A patent/CN115001486A/zh active Pending
- 2021-11-15 EP EP21928846.1A patent/EP4300828A4/en active Pending
- 2021-11-15 US US18/279,895 patent/US20240146502A1/en active Pending
- 2021-11-15 WO PCT/CN2021/130752 patent/WO2022183774A1/zh active Application Filing
- 2021-11-15 JP JP2023553438A patent/JP2024509432A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117559992A (zh) * | 2024-01-12 | 2024-02-13 | 成都电科星拓科技有限公司 | 时钟数据恢复电路及芯片 |
CN117559992B (zh) * | 2024-01-12 | 2024-03-19 | 成都电科星拓科技有限公司 | 时钟数据恢复电路及芯片 |
Also Published As
Publication number | Publication date |
---|---|
EP4300828A1 (en) | 2024-01-03 |
EP4300828A4 (en) | 2024-08-28 |
WO2022183774A1 (zh) | 2022-09-09 |
JP2024509432A (ja) | 2024-03-01 |
US20240146502A1 (en) | 2024-05-02 |
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PB01 | Publication | ||
PB01 | Publication | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20221121 Address after: 518055 Liuxian Avenue, Xili Street, Nanshan District, Shenzhen, Guangdong Applicant after: SANECHIPS TECHNOLOGY Co.,Ltd. Applicant after: Southern University of Science and Technology Address before: 518057 Zhongxing building, science and technology south road, Nanshan District hi tech Industrial Park, Guangdong, Shenzhen Applicant before: ZTE Corp. Applicant before: Southern University of Science and Technology |
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Country or region after: China Address after: 518055, 2nd Floor, ZTE Industrial Park, No. 2 Chuangyan Road, Xili Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, China Applicant after: SANECHIPS TECHNOLOGY Co.,Ltd. Applicant after: Southern University of Science and Technology Address before: 518055 Liuxian Avenue, Xili Street, Nanshan District, Shenzhen, Guangdong Applicant before: SANECHIPS TECHNOLOGY Co.,Ltd. Country or region before: China Applicant before: Southern University of Science and Technology |
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