CN118337203B - 上电自动校正vco增益的cdr电路 - Google Patents
上电自动校正vco增益的cdr电路 Download PDFInfo
- Publication number
- CN118337203B CN118337203B CN202410757568.1A CN202410757568A CN118337203B CN 118337203 B CN118337203 B CN 118337203B CN 202410757568 A CN202410757568 A CN 202410757568A CN 118337203 B CN118337203 B CN 118337203B
- Authority
- CN
- China
- Prior art keywords
- variable capacitor
- vco
- circuit
- comparator
- mirror
- 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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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
- H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
- H03B5/1262—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising switched elements
- H03B5/1265—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising switched elements switched capacitors
-
- 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
- H03L7/091—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 using a sampling device
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410757568.1A CN118337203B (zh) | 2024-06-13 | 2024-06-13 | 上电自动校正vco增益的cdr电路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410757568.1A CN118337203B (zh) | 2024-06-13 | 2024-06-13 | 上电自动校正vco增益的cdr电路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118337203A CN118337203A (zh) | 2024-07-12 |
| CN118337203B true CN118337203B (zh) | 2024-10-08 |
Family
ID=91780541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410757568.1A Active CN118337203B (zh) | 2024-06-13 | 2024-06-13 | 上电自动校正vco增益的cdr电路 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118337203B (zh) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11274401A (ja) * | 1998-03-19 | 1999-10-08 | Fujitsu Ltd | 容量制御回路 |
| CN118118014A (zh) * | 2024-04-28 | 2024-05-31 | 成都电科星拓科技有限公司 | 包含温度传感器的cdr电路 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3739351B2 (ja) * | 2002-11-14 | 2006-01-25 | 沖電気工業株式会社 | キャパシタンス調整回路 |
| CN103294093B (zh) * | 2012-02-22 | 2015-12-02 | 联咏科技股份有限公司 | 无电流误差的电阻电容校准电路 |
| JP2015023409A (ja) * | 2013-07-18 | 2015-02-02 | スパンション エルエルシー | 容量制御回路、半導体装置及び容量制御方法 |
-
2024
- 2024-06-13 CN CN202410757568.1A patent/CN118337203B/zh active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11274401A (ja) * | 1998-03-19 | 1999-10-08 | Fujitsu Ltd | 容量制御回路 |
| CN118118014A (zh) * | 2024-04-28 | 2024-05-31 | 成都电科星拓科技有限公司 | 包含温度传感器的cdr电路 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118337203A (zh) | 2024-07-12 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610096 Sichuan Province, Chengdu City, No. 399, West Section of Fucheng Avenue, Chengdu High-tech Development Zone, China (Sichuan) Free Trade Pilot Zone, Building 7, Unit 3, 14th Floor, Room 1409 Patentee after: Chengdu Xingtuo Microelectronics Technology Co.,Ltd. Country or region after: China Address before: No. 1409, 14th Floor, Unit 3, Building 7, No. 399 Fucheng Avenue West Section, High tech Zone, Chengdu City, Sichuan Province Patentee before: Chengdu CETC Xingtuo Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20260104 Address after: 311215 Zhejiang Province, Hangzhou City, Xiaoshan District, Yingfeng Street, Shixin North Road No. 857, Room 695 Patentee after: Hangzhou Nuowanxin Microelectronics Technology Co.,Ltd. Country or region after: China Address before: 610096 Sichuan Province, Chengdu City, No. 399, West Section of Fucheng Avenue, Chengdu High-tech Development Zone, China (Sichuan) Free Trade Pilot Zone, Building 7, Unit 3, 14th Floor, Room 1409 Patentee before: Chengdu Xingtuo Microelectronics Technology Co.,Ltd. Country or region before: China |