CN116865678B - 一种时钟信号扩频电路 - Google Patents
一种时钟信号扩频电路 Download PDFInfo
- Publication number
- CN116865678B CN116865678B CN202310904110.XA CN202310904110A CN116865678B CN 116865678 B CN116865678 B CN 116865678B CN 202310904110 A CN202310904110 A CN 202310904110A CN 116865678 B CN116865678 B CN 116865678B
- Authority
- CN
- China
- Prior art keywords
- modulation
- circuit
- clock signal
- voltage
- output
- 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.)
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Links
- 238000001228 spectrum Methods 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 43
- 230000010355 oscillation Effects 0.000 claims description 41
- 230000007480 spreading Effects 0.000 claims description 11
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000013256 coordination polymer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with 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
- H03L7/08—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
-
- 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
-
- 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
- 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
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of 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
- H03L7/16—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310904110.XA CN116865678B (zh) | 2023-07-24 | 2023-07-24 | 一种时钟信号扩频电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310904110.XA CN116865678B (zh) | 2023-07-24 | 2023-07-24 | 一种时钟信号扩频电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN116865678A CN116865678A (zh) | 2023-10-10 |
CN116865678B true CN116865678B (zh) | 2024-03-12 |
Family
ID=88228413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202310904110.XA Active CN116865678B (zh) | 2023-07-24 | 2023-07-24 | 一种时钟信号扩频电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116865678B (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6643317B1 (en) * | 2000-02-25 | 2003-11-04 | Electronics For Imaging, Inc. | Digital spread spectrum circuit |
CN1839540A (zh) * | 2003-08-22 | 2006-09-27 | 松下电器产业株式会社 | 宽带调制pll、用于宽带调制pll的定时误差校正系统、调制定时误差校正方法和具有宽带调制pll的无线通信装置的调整方法 |
CN101223688A (zh) * | 2005-12-06 | 2008-07-16 | 罗姆股份有限公司 | 调频器以及使用它的调频发送电路 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4469628B2 (ja) * | 2004-02-18 | 2010-05-26 | セイコーNpc株式会社 | 分散変調型クロック発生回路 |
JP5444795B2 (ja) * | 2008-07-29 | 2014-03-19 | 株式会社リコー | 画像読み取り装置、画像形成装置、振幅調整方法、及びコンピュータプログラム |
-
2023
- 2023-07-24 CN CN202310904110.XA patent/CN116865678B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6643317B1 (en) * | 2000-02-25 | 2003-11-04 | Electronics For Imaging, Inc. | Digital spread spectrum circuit |
CN1839540A (zh) * | 2003-08-22 | 2006-09-27 | 松下电器产业株式会社 | 宽带调制pll、用于宽带调制pll的定时误差校正系统、调制定时误差校正方法和具有宽带调制pll的无线通信装置的调整方法 |
CN101223688A (zh) * | 2005-12-06 | 2008-07-16 | 罗姆股份有限公司 | 调频器以及使用它的调频发送电路 |
Also Published As
Publication number | Publication date |
---|---|
CN116865678A (zh) | 2023-10-10 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20231010 Assignee: Ruixing Microelectronics Technology (Yangzhou) Co.,Ltd. Assignor: Shanghai Ruixing Microelectronics Technology Co.,Ltd. Contract record no.: X2024980011341 Denomination of invention: A clock signal spreading circuit Granted publication date: 20240312 License type: Common License Record date: 20240806 |
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EC01 | Cancellation of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Ruixing Microelectronics Technology (Yangzhou) Co.,Ltd. Assignor: Shanghai Ruixing Microelectronics Technology Co.,Ltd. Contract record no.: X2024980011341 Date of cancellation: 20240911 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20231010 Assignee: NANJING CHINA ELECTRONICS PANDA CRYSTAL TECHNOLOGY Corp. Assignor: Shanghai Ruixing Microelectronics Technology Co.,Ltd. Contract record no.: X2024980014786 Denomination of invention: A clock signal spreading circuit Granted publication date: 20240312 License type: Common License Record date: 20240912 |