CN1839549A - Pll电路的σ△调制器 - Google Patents
Pll电路的σ△调制器 Download PDFInfo
- Publication number
- CN1839549A CN1839549A CNA2003801104756A CN200380110475A CN1839549A CN 1839549 A CN1839549 A CN 1839549A CN A2003801104756 A CNA2003801104756 A CN A2003801104756A CN 200380110475 A CN200380110475 A CN 200380110475A CN 1839549 A CN1839549 A CN 1839549A
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency
- delta modulator
- integrator
- dividing ratio
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3006—Compensating for, or preventing of, undesired influence of physical parameters
- H03M7/3011—Compensating for, or preventing of, undesired influence of physical parameters of non-linear distortion, e.g. by temporarily adapting the operation upon detection of instability conditions
-
- 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
- H03L7/197—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 a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
- H03L7/1974—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 a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
- H03L7/1976—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 a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M7/3022—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
Abstract
Description
Claims (11)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/015215 WO2005053162A1 (ja) | 2003-11-28 | 2003-11-28 | Pll回路のσδ変調器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1839549A true CN1839549A (zh) | 2006-09-27 |
CN100571040C CN100571040C (zh) | 2009-12-16 |
Family
ID=34631278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003801104756A Expired - Fee Related CN100571040C (zh) | 2003-11-28 | 2003-11-28 | Pll电路的σ△调制器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7279990B2 (zh) |
EP (1) | EP1657821B1 (zh) |
JP (1) | JP4050298B2 (zh) |
CN (1) | CN100571040C (zh) |
DE (1) | DE60314020T2 (zh) |
WO (1) | WO2005053162A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101252356B (zh) * | 2007-02-20 | 2011-10-12 | 富士通半导体股份有限公司 | 分数分频器锁相环设备及其控制方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7916824B2 (en) * | 2006-08-18 | 2011-03-29 | Texas Instruments Incorporated | Loop bandwidth enhancement technique for a digital PLL and a HF divider that enables this technique |
DE102007031127A1 (de) * | 2007-06-29 | 2009-01-02 | IHP GmbH - Innovations for High Performance Microelectronics/Institut für innovative Mikroelektronik | PLL-Schaltung für Frequenzverhältnisse mit nichtganzzahligen Werten |
KR101419892B1 (ko) * | 2007-12-07 | 2014-07-16 | 삼성전자주식회사 | 수신기 및 이를 포함하는 통신 시스템 |
US8169351B2 (en) * | 2009-10-23 | 2012-05-01 | Qualcomm Incorporated | Feedback circuits with DC offset cancellation |
US8193963B2 (en) | 2010-09-02 | 2012-06-05 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method and system for time to digital conversion with calibration and correction loops |
US8228221B2 (en) | 2010-09-28 | 2012-07-24 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method and apparatus for calibrating sigma-delta modulator |
WO2012127579A1 (ja) * | 2011-03-18 | 2012-09-27 | 富士通株式会社 | Mash方式シグマデルタ・モジュレータおよびda変換回路 |
CN103493377B (zh) * | 2011-06-01 | 2017-04-26 | 华为技术有限公司 | 锁相环中的杂散抑制 |
EP3624344B1 (en) * | 2017-07-04 | 2021-08-25 | Mitsubishi Electric Corporation | Pll circuit |
JP2020088706A (ja) * | 2018-11-29 | 2020-06-04 | セイコーエプソン株式会社 | 発振器、電子機器及び移動体 |
US11356112B1 (en) * | 2021-01-27 | 2022-06-07 | Infineon Technologies Ag | Coarse-fine counting architecture for a VCO-ADC based on interlocked binary asynchronous counters |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5093632A (en) * | 1990-08-31 | 1992-03-03 | Motorola, Inc. | Latched accumulator fractional n synthesis with residual error reduction |
JP2003023351A (ja) * | 2001-07-09 | 2003-01-24 | Nec Corp | 非整数分周器、およびフラクショナルn周波数シンセサイザ |
US6570452B2 (en) * | 2001-09-26 | 2003-05-27 | Ashvattha Semiconductor, Inc. | Fractional-N type frequency synthesizer |
CN100521542C (zh) * | 2002-12-26 | 2009-07-29 | 富士通微电子株式会社 | Pll电路的∑△调制器 |
-
2003
- 2003-11-28 JP JP2005510914A patent/JP4050298B2/ja not_active Expired - Fee Related
- 2003-11-28 CN CNB2003801104756A patent/CN100571040C/zh not_active Expired - Fee Related
- 2003-11-28 DE DE60314020T patent/DE60314020T2/de not_active Expired - Lifetime
- 2003-11-28 EP EP03819067A patent/EP1657821B1/en not_active Expired - Fee Related
- 2003-11-28 WO PCT/JP2003/015215 patent/WO2005053162A1/ja active IP Right Grant
-
2006
- 2006-02-28 US US11/363,049 patent/US7279990B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101252356B (zh) * | 2007-02-20 | 2011-10-12 | 富士通半导体股份有限公司 | 分数分频器锁相环设备及其控制方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4050298B2 (ja) | 2008-02-20 |
WO2005053162A1 (ja) | 2005-06-09 |
EP1657821A1 (en) | 2006-05-17 |
EP1657821B1 (en) | 2007-05-23 |
JPWO2005053162A1 (ja) | 2007-06-21 |
US7279990B2 (en) | 2007-10-09 |
CN100571040C (zh) | 2009-12-16 |
DE60314020D1 (de) | 2007-07-05 |
US20060139194A1 (en) | 2006-06-29 |
EP1657821A4 (en) | 2006-08-23 |
DE60314020T2 (de) | 2007-09-13 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: FUJITSU MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20081010 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20081010 Address after: Tokyo, Japan, Japan Applicant after: Fujitsu Microelectronics Ltd. Address before: Kawasaki, Kanagawa, Japan Applicant before: Fujitsu Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: FUJITSU SEMICONDUCTOR CO., LTD. Free format text: FORMER NAME: FUJITSU MICROELECTRON CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Kanagawa Patentee after: Fujitsu Semiconductor Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Fujitsu Microelectronics Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: SPANSION LLC N. D. GES D. STAATES Free format text: FORMER OWNER: FUJITSU SEMICONDUCTOR CO., LTD. Effective date: 20140103 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140103 Address after: American California Patentee after: Spansion LLC N. D. Ges D. Staates Address before: Kanagawa Patentee before: Fujitsu Semiconductor Co., Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160317 Address after: American California Patentee after: Cypress Semiconductor Corp. Address before: American California Patentee before: Spansion LLC N. D. Ges D. Staates |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20151128 |
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EXPY | Termination of patent right or utility model |