ATE408276T1 - Digitaler delta-sigma-modulator in einem fraktional-n-frequenz-synthesizer - Google Patents
Digitaler delta-sigma-modulator in einem fraktional-n-frequenz-synthesizerInfo
- Publication number
- ATE408276T1 ATE408276T1 AT03732792T AT03732792T ATE408276T1 AT E408276 T1 ATE408276 T1 AT E408276T1 AT 03732792 T AT03732792 T AT 03732792T AT 03732792 T AT03732792 T AT 03732792T AT E408276 T1 ATE408276 T1 AT E408276T1
- Authority
- AT
- Austria
- Prior art keywords
- sigma modulator
- fractional
- frequency synthesizer
- digital delta
- delta
- Prior art date
Links
- 230000000295 complement effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Control Of Electric Motors In General (AREA)
- Analogue/Digital Conversion (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/177,648 US6707855B2 (en) | 2002-06-20 | 2002-06-20 | Digital delta sigma modulator in a fractional-N frequency synthesizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE408276T1 true ATE408276T1 (de) | 2008-09-15 |
Family
ID=29734457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT03732792T ATE408276T1 (de) | 2002-06-20 | 2003-06-11 | Digitaler delta-sigma-modulator in einem fraktional-n-frequenz-synthesizer |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6707855B2 (de) |
| EP (1) | EP1514354B1 (de) |
| KR (1) | KR20050010954A (de) |
| CN (1) | CN100555874C (de) |
| AT (1) | ATE408276T1 (de) |
| AU (1) | AU2003240177A1 (de) |
| DE (1) | DE60323488D1 (de) |
| WO (1) | WO2004001977A1 (de) |
Families Citing this family (58)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6941330B2 (en) * | 2000-09-27 | 2005-09-06 | Hughes Electronics Corporation | Feed forward sigma delta interpolator for use in a fractional-N synthesizer |
| US7203262B2 (en) * | 2003-05-13 | 2007-04-10 | M/A-Com, Inc. | Methods and apparatus for signal modification in a fractional-N phase locked loop system |
| US7071787B2 (en) * | 2002-11-22 | 2006-07-04 | Tektronix, Inc. | Method and apparatus for the reduction of phase noise |
| US7039855B2 (en) * | 2003-01-22 | 2006-05-02 | Lsi Logic Corporation | Decision function generator for a Viterbi decoder |
| JP4629310B2 (ja) * | 2003-01-29 | 2011-02-09 | ルネサスエレクトロニクス株式会社 | 位相同期回路 |
| US7024171B2 (en) * | 2003-02-25 | 2006-04-04 | Icom America, Incorporated | Fractional-N frequency synthesizer with cascaded sigma-delta converters |
| US6928127B2 (en) * | 2003-03-11 | 2005-08-09 | Atheros Communications, Inc. | Frequency synthesizer with prescaler |
| US6812876B1 (en) * | 2003-08-19 | 2004-11-02 | Broadcom Corporation | System and method for spectral shaping of dither signals |
| US7119630B1 (en) | 2003-09-25 | 2006-10-10 | Cypress Semiconductor Corp. | Frequency synthesizer having a more versatile and efficient fractional-N control circuit and method using vector values |
| US7126436B1 (en) | 2003-09-25 | 2006-10-24 | Cypress Semiconductor Corp. | Frequency synthesizer having a more versatile and efficient fractional-N control circuit and method |
| JP4155406B2 (ja) * | 2004-04-01 | 2008-09-24 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | デルタシグマ変調型分数分周ｐｌｌ周波数シンセサイザ、及び、無線通信装置 |
| WO2005096502A1 (en) * | 2004-04-02 | 2005-10-13 | Kaben Research Inc. | Multiple stage delta sigma modulators |
| US7593483B2 (en) * | 2004-05-07 | 2009-09-22 | Broadcom Corporation | Nonlinear mapping in digital-to-analog and analog-to-digital converters |
| JP4327666B2 (ja) * | 2004-06-23 | 2009-09-09 | 株式会社ルネサステクノロジ | 無線送信回路及びそれを用いた送受信機 |
| DE102005029819B4 (de) * | 2005-06-27 | 2010-03-18 | Infineon Technologies Ag | Sigma-Delta-Umsetzer und Verwendung desselben |
| DE102005030356B4 (de) * | 2005-06-29 | 2011-07-07 | Infineon Technologies AG, 81669 | Digitaler Phasenregelkreis und Verfahren zur Regelung eines digitalen Phasenregelkreises |
| US7961059B1 (en) | 2005-06-30 | 2011-06-14 | Cypress Semiconductor Corporation | Phase lock loop control system and method with non-consecutive feedback divide values |
| US7813411B1 (en) | 2005-06-30 | 2010-10-12 | Cypress Semiconductor Corporation | Spread spectrum frequency synthesizer with high order accumulation for frequency profile generation |
| US8072277B1 (en) | 2005-06-30 | 2011-12-06 | Cypress Semiconductor Corporation | Spread spectrum frequency synthesizer |
| US7932787B1 (en) | 2005-06-30 | 2011-04-26 | Cypress Semiconductor Corporation | Phase lock loop control system and method |
| US8174326B1 (en) | 2005-06-30 | 2012-05-08 | Cypress Semiconductor Corporation | Phase lock loop control error selection system and method |
| US7948327B1 (en) | 2005-06-30 | 2011-05-24 | Cypress Semiconductor Corporation | Simplified phase lock loop control model system and method |
| US7701297B1 (en) | 2005-06-30 | 2010-04-20 | Cypress Semiconductor Corporation | Spread spectrum frequency synthesizer with improved frequency shape by adjusting the length of a standard curve used for spread spectrum modulation |
| US7741918B1 (en) | 2005-06-30 | 2010-06-22 | Cypress Semiconductor Corporation | System and method for an enhanced noise shaping for spread spectrum modulation |
| US7912109B1 (en) | 2005-06-30 | 2011-03-22 | Cypress Semiconductor Corporation | Spread spectrum frequency synthesizer with first order accumulation for frequency profile generation |
| US7482885B2 (en) * | 2005-12-29 | 2009-01-27 | Orca Systems, Inc. | Method of frequency synthesis for fast switching |
| US7519349B2 (en) * | 2006-02-17 | 2009-04-14 | Orca Systems, Inc. | Transceiver development in VHF/UHF/GSM/GPS/bluetooth/cordless telephones |
| US7715513B2 (en) * | 2006-11-10 | 2010-05-11 | Alpha Imaging Technology Corp. | Data synchronization apparatus |
| US7720160B1 (en) | 2006-12-14 | 2010-05-18 | Maxim Integrated Products, Inc. | Phase noise shaping using sigma delta modulation in a timing recovery unit |
| JP4827764B2 (ja) * | 2007-02-20 | 2011-11-30 | 富士通セミコンダクター株式会社 | 分数分周ｐｌｌ装置、およびその制御方法 |
| US20080258942A1 (en) * | 2007-04-23 | 2008-10-23 | Infineon Technologies Ag | Sigma-delta multiplier, phase-locked loop with extended tuning range and methods for generating rf signals |
| CN101309082B (zh) * | 2007-05-16 | 2011-03-16 | 中国科学院电子学研究所 | 基于时钟借用频率控制的相位切换多模分频方法及分频器 |
| US7538706B2 (en) * | 2007-09-25 | 2009-05-26 | Mediatek Inc. | Mash modulator and frequency synthesizer using the same |
| CN101217277B (zh) * | 2008-01-15 | 2010-12-29 | 凌阳科技股份有限公司 | 非整数除频器以及可产生非整数时脉信号的锁相回路 |
| US7994947B1 (en) | 2008-06-06 | 2011-08-09 | Maxim Integrated Products, Inc. | Method and apparatus for generating a target frequency having an over-sampled data rate using a system clock having a different frequency |
| US7983378B2 (en) * | 2008-06-30 | 2011-07-19 | Intel Corporation | Extended multi-modulus prescaler |
| KR20100081402A (ko) * | 2009-01-06 | 2010-07-15 | 삼성전자주식회사 | 아날로그 디지털 컨버터 및 이를 포함하는 이미지 센서 |
| TWI431944B (zh) * | 2009-04-10 | 2014-03-21 | 席特帝微波有限公司 | 具有降低分數式切換雜訊之分數式ｎ頻率合成器 |
| US8188754B2 (en) * | 2009-07-15 | 2012-05-29 | Maxim Integrated Products, Inc. | Method and apparatus for sensing capacitance value and converting it into digital format |
| US9397647B2 (en) * | 2010-07-28 | 2016-07-19 | Marvell World Trade Ltd. | Clock spurs reduction technique |
| US8284085B2 (en) * | 2010-10-06 | 2012-10-09 | Texas Instruments Incorporated | Pipelined continuous-time sigma delta modulator |
| JP5505557B2 (ja) * | 2011-03-18 | 2014-05-28 | 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 |
| CN102739247B (zh) * | 2011-03-29 | 2014-08-27 | 联咏科技股份有限公司 | 转换寄生基调为噪声的频率合成器及频率合成方法 |
| US20140077843A1 (en) * | 2012-05-31 | 2014-03-20 | Michael Peter Kennedy | Pipelined Bus-Splitting Digital Delta-Sigma Modulator for Fractional-N Frequency Synthesizer System and Method |
| CN102882520B (zh) * | 2012-09-28 | 2015-09-02 | 兆讯恒达微电子技术(北京)有限公司 | 基于sigma-delta锁相环的时钟分频装置和方法 |
| US9035682B2 (en) * | 2012-12-29 | 2015-05-19 | Motorola Solutions, Inc. | Method and apparatus for single port modulation using a fractional-N modulator |
| JP6121240B2 (ja) * | 2013-05-23 | 2017-04-26 | 日本無線株式会社 | シグマデルタ変調器 |
| WO2015172372A1 (en) * | 2014-05-16 | 2015-11-19 | Lattice Semiconductor Corporation | Fractional-n phase locked loop circuit |
| CN108736894B (zh) * | 2017-04-18 | 2021-08-06 | 博通集成电路（上海）股份有限公司 | 分数n频率合成器及其方法 |
| CN110266309B (zh) * | 2019-07-12 | 2024-04-30 | 加特兰微电子科技(上海)有限公司 | 数字调制器、频率合成器和提高调制器速度的方法 |
| CN112988556B (zh) * | 2019-12-16 | 2025-04-18 | 中国电信股份有限公司 | 文件生成方法、装置和计算机可读存储介质 |
| CN111064466B (zh) * | 2019-12-27 | 2023-08-18 | 成都蓝大科技有限公司 | 一种负反馈方法及其系统 |
| TW202136952A (zh) * | 2020-03-19 | 2021-10-01 | 智原科技股份有限公司 | 全數位鎖相迴路電路及其相關回授時脈微擾動裝置 |
| CN111277273B (zh) * | 2020-03-20 | 2024-10-29 | 中国电子科技集团公司第五十四研究所 | 一种基于delta-sigma的相位调制电路 |
| CN112953515B (zh) * | 2021-01-26 | 2024-05-10 | 北京金迈捷科技有限公司 | 一种分数锁相环 |
| CN116192128B (zh) * | 2023-05-04 | 2023-07-25 | 泛升云微电子(苏州)有限公司 | Σ-δ调制器、芯片及相位调整方法 |
| CN117155384B (zh) * | 2023-07-17 | 2025-04-08 | 浙江大学 | 调制器、小数分频频率综合器、射频收发机及电子产品 |
| CN119995590B (zh) * | 2025-01-15 | 2026-03-17 | 中国电子科技集团公司第五十四研究所 | 一种用于小数频率合成器的输出移相单元 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1560233A (en) * | 1977-02-02 | 1980-01-30 | Marconi Co Ltd | Frequency synthesisers |
| US5166642A (en) * | 1992-02-18 | 1992-11-24 | Motorola, Inc. | Multiple accumulator fractional N synthesis with series recombination |
| US5495206A (en) * | 1993-10-29 | 1996-02-27 | Motorola, Inc. | Fractional N frequency synthesis with residual error correction and method thereof |
| US5903194A (en) * | 1997-08-05 | 1999-05-11 | Rockwell Science Center, Inc. | Digital phase modulation of frequency synthesizer using modulated fractional division |
| US6219397B1 (en) * | 1998-03-20 | 2001-04-17 | Samsung Electronics Co., Ltd. | Low phase noise CMOS fractional-N frequency synthesizer for wireless communications |
| US6060950A (en) | 1998-06-05 | 2000-05-09 | Nokia Mobile Phones Limited | Control of a variable gain amplifier with a delta sigma modulator D/A converter |
| US6326912B1 (en) * | 1999-09-24 | 2001-12-04 | Akm Semiconductor, Inc. | Analog-to-digital conversion using a multi-bit analog delta-sigma modulator combined with a one-bit digital delta-sigma modulator |
| US6717998B2 (en) * | 1999-12-13 | 2004-04-06 | Matsushita Electric Industrial Co., Ltd. | Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating method |
| JP2001298363A (ja) * | 2000-04-17 | 2001-10-26 | Matsushita Electric Ind Co Ltd | 周波数シンセサイザ装置とそれを用いた移動無線機 |
| GB0021800D0 (en) * | 2000-09-05 | 2000-10-18 | Nokia Networks Oy | Fractional-n Frequency Synthesiser |
| US6941330B2 (en) * | 2000-09-27 | 2005-09-06 | Hughes Electronics Corporation | Feed forward sigma delta interpolator for use in a fractional-N synthesizer |
| US6396428B1 (en) * | 2001-06-04 | 2002-05-28 | Raytheon Company | Continuous time bandpass delta sigma modulator ADC architecture with feedforward signal compensation |
-
2002
- 2002-06-20 US US10/177,648 patent/US6707855B2/en not_active Expired - Lifetime
-
2003
- 2003-06-11 AU AU2003240177A patent/AU2003240177A1/en not_active Abandoned
- 2003-06-11 WO PCT/IB2003/002228 patent/WO2004001977A1/en not_active Ceased
- 2003-06-11 CN CNB038141728A patent/CN100555874C/zh not_active Expired - Fee Related
- 2003-06-11 KR KR10-2004-7020675A patent/KR20050010954A/ko not_active Abandoned
- 2003-06-11 DE DE60323488T patent/DE60323488D1/de not_active Expired - Lifetime
- 2003-06-11 AT AT03732792T patent/ATE408276T1/de not_active IP Right Cessation
- 2003-06-11 EP EP03732792A patent/EP1514354B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1514354A1 (de) | 2005-03-16 |
| EP1514354B1 (de) | 2008-09-10 |
| EP1514354A4 (de) | 2006-02-22 |
| US6707855B2 (en) | 2004-03-16 |
| AU2003240177A1 (en) | 2004-01-06 |
| DE60323488D1 (de) | 2008-10-23 |
| CN100555874C (zh) | 2009-10-28 |
| WO2004001977A1 (en) | 2003-12-31 |
| US20030235261A1 (en) | 2003-12-25 |
| KR20050010954A (ko) | 2005-01-28 |
| CN1685616A (zh) | 2005-10-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |