MX9100853A - Sintesis n fraccional de acumulador de trabajo multiple - Google Patents
Sintesis n fraccional de acumulador de trabajo multipleInfo
- Publication number
- MX9100853A MX9100853A MX9100853A MX9100853A MX9100853A MX 9100853 A MX9100853 A MX 9100853A MX 9100853 A MX9100853 A MX 9100853A MX 9100853 A MX9100853 A MX 9100853A MX 9100853 A MX9100853 A MX 9100853A
- Authority
- MX
- Mexico
- Prior art keywords
- fractional
- synthesis
- multiple work
- work accumulator
- accumulator
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/576,342 US5070310A (en) | 1990-08-31 | 1990-08-31 | Multiple latched accumulator fractional N synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX9100853A true MX9100853A (es) | 1992-04-01 |
Family
ID=24304043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX9100853A MX9100853A (es) | 1990-08-31 | 1991-08-28 | Sintesis n fraccional de acumulador de trabajo multiple |
Country Status (17)
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2748872B1 (fr) * | 1990-08-21 | 1998-11-27 | Thomson Trt Defense | Synthetiseur de frequence a boucle a verrouillage de phase a division fractionnaire multiple |
| US5111162A (en) * | 1991-05-03 | 1992-05-05 | Motorola, Inc. | Digital frequency synthesizer having AFC and modulation applied to frequency divider |
| US5166642A (en) * | 1992-02-18 | 1992-11-24 | Motorola, Inc. | Multiple accumulator fractional N synthesis with series recombination |
| US5347234A (en) * | 1993-03-26 | 1994-09-13 | International Business Machines Corp. | Digital voltage controlled oscillator |
| FI96255C (fi) * | 1993-04-05 | 1996-05-27 | Tapio Antero Saramaeki | Desimointisuodatin |
| AU6339594A (en) * | 1993-06-09 | 1994-12-15 | Alcatel N.V. | Synchronized clock |
| US5337024A (en) * | 1993-06-22 | 1994-08-09 | Rockwell International Corporation | Phase locked loop frequency modulator using fractional division |
| US5493700A (en) * | 1993-10-29 | 1996-02-20 | Motorola | Automatic frequency control apparatus |
| US5943613A (en) * | 1996-11-07 | 1999-08-24 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for reducing standby current in communications equipment |
| JP3132810B2 (ja) * | 1997-02-21 | 2001-02-05 | 松下電器産業株式会社 | 拡散型分数分周器 |
| US5777521A (en) * | 1997-08-12 | 1998-07-07 | Motorola Inc. | Parallel accumulator fractional-n frequency synthesizer |
| US6259318B1 (en) | 1999-05-28 | 2001-07-10 | Motorola, Inc. | Method for extending the liner range of an amplifier |
| US6490440B1 (en) | 1999-06-01 | 2002-12-03 | Motorola, Inc. | Digital transmitter circuit and method of operation |
| JP2001127632A (ja) | 1999-10-29 | 2001-05-11 | Matsushita Electric Ind Co Ltd | 周波数シンセサイザ及び発振周波数制御方法 |
| US6278333B1 (en) | 2000-02-29 | 2001-08-21 | Motorola, Inc. | Phase lock loop with dual state charge pump and method of operating the same |
| US6564039B1 (en) | 2000-02-29 | 2003-05-13 | Motorola, Inc. | Frequency generation circuit and method of operating a tranceiver |
| US6747987B1 (en) | 2000-02-29 | 2004-06-08 | Motorola, Inc. | Transmit modulation circuit and method of operating a transmitter |
| 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 |
| EP1193876A1 (fr) * | 2000-09-29 | 2002-04-03 | Koninklijke Philips Electronics N.V. | Synthétiseur de fréquence et procédé de synthèse de fréquence à faible bruit |
| KR100346839B1 (ko) | 2000-10-10 | 2002-08-03 | 삼성전자 주식회사 | 시그마-델타 변조기를 이용한 분수-ｎ 주파수 합성 장치및 그 방법 |
| US6456164B1 (en) | 2001-03-05 | 2002-09-24 | Koninklijke Philips Electronics N.V. | Sigma delta fractional-N frequency divider with improved noise and spur performance |
| US6385276B1 (en) | 2001-06-12 | 2002-05-07 | Rf Micro Devices, Inc. | Dual-modulus prescaler |
| US6779010B2 (en) | 2001-06-12 | 2004-08-17 | Rf Micro Devices, Inc. | Accumulator with programmable full-scale range |
| US6693468B2 (en) | 2001-06-12 | 2004-02-17 | Rf Micro Devices, Inc. | Fractional-N synthesizer with improved noise performance |
| US6448831B1 (en) | 2001-06-12 | 2002-09-10 | Rf Micro Devices, Inc. | True single-phase flip-flop |
| US7003049B2 (en) * | 2001-06-12 | 2006-02-21 | Rf Micro Devices, Inc. | Fractional-N digital modulation with analog IQ interface |
| US6710951B1 (en) * | 2001-10-31 | 2004-03-23 | Western Digital Technologies, Inc. | Phase locked loop employing a fractional frequency synthesizer as a variable oscillator |
| JP3901607B2 (ja) * | 2002-07-23 | 2007-04-04 | 日本電気株式会社 | 信号処理装置及び非整数分周器並びにこれを用いたフラクショナルｎ−ｐｌｌシンセサイザ |
| US7437393B2 (en) | 2002-07-23 | 2008-10-14 | Nec Corporation | Signal processing apparatus, non-integer divider, and fractional N-PLL synthesizer using the same |
| JP2004104228A (ja) * | 2002-09-05 | 2004-04-02 | Matsushita Electric Ind Co Ltd | 信号処理装置および信号処理方法、デルタ・シグマ変調型分数分周ｐｌｌ周波数シンセサイザ、無線通信機器、デルタ・シグマ変調型ｄ／ａ変換器 |
| US6952125B2 (en) * | 2002-10-25 | 2005-10-04 | Gct Semiconductor, Inc. | System and method for suppressing noise in a phase-locked loop circuit |
| JP4064338B2 (ja) * | 2003-12-10 | 2008-03-19 | 松下電器産業株式会社 | デルタシグマ型分数分周ｐｌｌシンセサイザ |
| US7199677B2 (en) | 2004-03-19 | 2007-04-03 | Matsushita Electric Industrial Co., Ltd. | Frequency modulation apparatus |
| 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 |
| US8443023B2 (en) * | 2007-03-13 | 2013-05-14 | Applied Micro Circuits Corporation | Frequency synthesis rational division |
| US8971455B2 (en) * | 2011-12-12 | 2015-03-03 | Texas Instruments Incorporated | Near-integer channel spur mitigation in a phase-locked loop |
| RU2616877C1 (ru) * | 2015-12-07 | 2017-04-18 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | Цифровой генератор гармонических сигналов |
| RU2726833C1 (ru) * | 2019-10-17 | 2020-07-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" | Цифровой вычислительный синтезатор с подавлением перекрестных помех |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3928813A (en) * | 1974-09-26 | 1975-12-23 | Hewlett Packard Co | Device for synthesizing frequencies which are rational multiples of a fundamental frequency |
| GB1560233A (en) * | 1977-02-02 | 1980-01-30 | Marconi Co Ltd | Frequency synthesisers |
| GB2026268B (en) * | 1978-07-22 | 1982-07-28 | Racal Communcations Equipment | Frequency synthesizers |
| GB2091960B (en) * | 1981-01-27 | 1985-06-19 | Int Standard Electric Corp | High speed frequency synthesizer |
| GB2140232B (en) * | 1983-05-17 | 1986-10-29 | Marconi Instruments Ltd | Frequency synthesisers |
| US4602225A (en) * | 1984-06-24 | 1986-07-22 | Hewlett Packard Company | Apparatus for frequency correction in a frequency synthesizer |
| JPS62502230A (ja) * | 1985-02-21 | 1987-08-27 | シーメンス プレッシー エレクトロニック システムズ リミテッド | 周波数合成器またはそれに関する改良 |
| EP0211921A1 (en) * | 1985-02-21 | 1987-03-04 | Plessey Overseas Limited | Improvement in or relating to synthesisers |
| DE3544371A1 (de) * | 1985-12-14 | 1987-06-19 | Wandel & Goltermann | Generator mit digitaler frequenzeinstellung |
| US4815018A (en) * | 1985-12-24 | 1989-03-21 | Hughes Aircraft Company | Spurless fractional divider direct digital frequency synthesizer and method |
| US4810977A (en) * | 1987-12-22 | 1989-03-07 | Hewlett-Packard Company | Frequency modulation in phase-locked loops |
| AU617455B2 (en) * | 1988-05-06 | 1991-11-28 | Alcatel N.V. | A digital frequency synthesizer |
| US4816774A (en) * | 1988-06-03 | 1989-03-28 | Motorola, Inc. | Frequency synthesizer with spur compensation |
| DE3826006C1 (US07534539-20090519-C00280.png) * | 1988-07-30 | 1989-10-12 | Wandel & Goltermann Gmbh & Co, 7412 Eningen, De | |
| US5055800A (en) * | 1990-04-30 | 1991-10-08 | Motorola, Inc. | Fractional n/m synthesis |
| US5055802A (en) * | 1990-04-30 | 1991-10-08 | Motorola, Inc. | Multiaccumulator sigma-delta fractional-n synthesis |
-
1990
- 1990-08-31 US US07/576,342 patent/US5070310A/en not_active Expired - Lifetime
-
1991
- 1991-08-01 AU AU83955/91A patent/AU632243B2/en not_active Expired
- 1991-08-01 ES ES09250023A patent/ES2088714B1/es not_active Expired - Fee Related
- 1991-08-01 DE DE4192081A patent/DE4192081C2/de not_active Expired - Lifetime
- 1991-08-01 KR KR1019920700995A patent/KR960001074B1/ko not_active IP Right Cessation
- 1991-08-01 BR BR919105891A patent/BR9105891A/pt not_active IP Right Cessation
- 1991-08-01 CA CA002066745A patent/CA2066745C/en not_active Expired - Fee Related
- 1991-08-01 AT AT0900691A patent/AT402247B/de not_active IP Right Cessation
- 1991-08-01 WO PCT/US1991/005455 patent/WO1992004766A1/en active IP Right Grant
- 1991-08-01 JP JP3514278A patent/JP2844389B2/ja not_active Expired - Lifetime
- 1991-08-01 DE DE19914192081 patent/DE4192081T/de active Pending
- 1991-08-28 MX MX9100853A patent/MX9100853A/es unknown
- 1991-08-30 IE IE305991A patent/IE67289B1/en not_active IP Right Cessation
- 1991-08-30 FR FR9110807A patent/FR2666464A1/fr active Granted
- 1991-08-30 IT ITRM910653A patent/IT1250771B/it active IP Right Grant
-
1992
- 1992-04-28 DK DK054892A patent/DK54892A/da not_active Application Discontinuation
- 1992-04-29 GB GB9209282A patent/GB2255680B/en not_active Expired - Lifetime
- 1992-04-29 SE SE9201350A patent/SE469579B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATA900691A (de) | 1996-07-15 |
| SE469579B (sv) | 1993-07-26 |
| ES2088714B1 (es) | 1997-02-16 |
| AU632243B2 (en) | 1992-12-17 |
| KR960001074B1 (ko) | 1996-01-18 |
| CA2066745C (en) | 1996-09-17 |
| DE4192081C2 (de) | 1996-02-01 |
| JP2844389B2 (ja) | 1999-01-06 |
| DK54892D0 (da) | 1992-04-28 |
| IE913059A1 (en) | 1992-03-11 |
| JPH05502154A (ja) | 1993-04-15 |
| DK54892A (da) | 1992-04-28 |
| FR2666464A1 (fr) | 1992-03-06 |
| CA2066745A1 (en) | 1992-03-01 |
| AU8395591A (en) | 1992-03-30 |
| KR920702570A (ko) | 1992-09-04 |
| BR9105891A (pt) | 1992-10-13 |
| GB2255680A (en) | 1992-11-11 |
| ITRM910653A0 (it) | 1991-08-30 |
| ES2088714A1 (es) | 1996-08-16 |
| IT1250771B (it) | 1995-04-21 |
| SE9201350D0 (sv) | 1992-04-29 |
| DE4192081T (US07534539-20090519-C00280.png) | 1992-08-27 |
| GB2255680B (en) | 1994-08-03 |
| US5070310A (en) | 1991-12-03 |
| FR2666464B1 (US07534539-20090519-C00280.png) | 1997-02-21 |
| WO1992004766A1 (en) | 1992-03-19 |
| ITRM910653A1 (it) | 1992-03-01 |
| SE9201350L (sv) | 1992-06-22 |
| GB9209282D0 (en) | 1992-07-08 |
| AT402247B (de) | 1997-03-25 |
| IE67289B1 (en) | 1996-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX9100853A (es) | Sintesis n fraccional de acumulador de trabajo multiple | |
| NO924682L (no) | Forbedret syntesefremgangsmaate | |
| BR9106698A (pt) | Prendedor de um quarto de volta | |
| MX9100513A (es) | Compuestos | |
| DK0411084T3 (da) | Syntese af hydrocarbylaminer | |
| MX9100517A (es) | Compuestos | |
| DE69126280T2 (de) | Werkzeughaltvorrichtung | |
| IT9021818A0 (it) | Traversa per la costruzione di sintesi di supporto industriali | |
| ITMI912654A1 (it) | Combinazione di estrusore-calandra | |
| DK255590A (da) | Arbejdsbord | |
| DK106991D0 (da) | Dichloranilinforbindelser | |
| MC2136A1 (fr) | Compose heterocycliques | |
| ITMI912227A0 (it) | Revolver per utensili | |
| ITGE920115A0 (it) | Uso di 4 -isopropilbenzilsalicilato come antilipoperossidante cutaneo. | |
| DE69308502D1 (de) | Schuhhalter | |
| KR920000279U (ko) | 양치도구의 스텐드 | |
| KR900014098U (ko) | 안정용 작업화 | |
| MX174312B (es) | Sintesis de 4-metil tiazola | |
| ITMI910434A1 (it) | Procedimento migliorativo per la sintesi di n-fosfonometilglicina | |
| MX9101960A (es) | Compuestos de imidazolidinona | |
| SE9000572D0 (sv) | Antidepressant compounds | |
| IT217498Z2 (it) | Accumulatore termico di molteplice impiego | |
| ATA229990A (de) | Werkstückhalterung | |
| IT8820405A0 (it) | Sintesi di trifluorometilisossazoli. | |
| UA24963A (uk) | Регульоваhий тримач іhструмеhту |