SE469579B - Foerfarande foer signalsyntes, fraktional -n- syntetisator samt radiosaendare utnyttjande en fraktional -n- syntetisator - Google Patents
Foerfarande foer signalsyntes, fraktional -n- syntetisator samt radiosaendare utnyttjande en fraktional -n- syntetisatorInfo
- Publication number
- SE469579B SE469579B SE9201350A SE9201350A SE469579B SE 469579 B SE469579 B SE 469579B SE 9201350 A SE9201350 A SE 9201350A SE 9201350 A SE9201350 A SE 9201350A SE 469579 B SE469579 B SE 469579B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- output signal
- frequency
- fractional
- accumulator
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 14
- 230000015572 biosynthetic process Effects 0.000 title claims description 9
- 238000003786 synthesis reaction Methods 0.000 title claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 47
- 230000003111 delayed effect Effects 0.000 claims description 15
- 230000004044 response Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 17
- 238000013139 quantization Methods 0.000 description 11
- 238000012937 correction Methods 0.000 description 9
- 238000012546 transfer Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000005194 fractionation Methods 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000001629 suppression Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 101100234408 Danio rerio kif7 gene Proteins 0.000 description 1
- 101100221620 Drosophila melanogaster cos gene Proteins 0.000 description 1
- 101100398237 Xenopus tropicalis kif11 gene Proteins 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 101150118300 cos gene Proteins 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 210000003462 vein Anatomy 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
-
- 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
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Paints Or Removers (AREA)
- Transmitters (AREA)
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 (3)
| Publication Number | Publication Date |
|---|---|
| SE9201350D0 SE9201350D0 (sv) | 1992-04-29 |
| SE9201350L SE9201350L (sv) | 1992-06-22 |
| SE469579B true SE469579B (sv) | 1993-07-26 |
Family
ID=24304043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9201350A SE469579B (sv) | 1990-08-31 | 1992-04-29 | Foerfarande foer signalsyntes, fraktional -n- syntetisator samt radiosaendare utnyttjande en fraktional -n- syntetisator |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US5070310A (da) |
| JP (1) | JP2844389B2 (da) |
| KR (1) | KR960001074B1 (da) |
| AT (1) | AT402247B (da) |
| AU (1) | AU632243B2 (da) |
| BR (1) | BR9105891A (da) |
| CA (1) | CA2066745C (da) |
| DE (2) | DE4192081C2 (da) |
| DK (1) | DK54892A (da) |
| ES (1) | ES2088714B1 (da) |
| FR (1) | FR2666464A1 (da) |
| GB (1) | GB2255680B (da) |
| IE (1) | IE67289B1 (da) |
| IT (1) | IT1250771B (da) |
| MX (1) | MX9100853A (da) |
| SE (1) | SE469579B (da) |
| WO (1) | WO1992004766A1 (da) |
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 |
| US6747987B1 (en) | 2000-02-29 | 2004-06-08 | Motorola, Inc. | Transmit modulation circuit and method of operating a transmitter |
| US6564039B1 (en) | 2000-02-29 | 2003-05-13 | Motorola, Inc. | Frequency generation circuit and method of operating a tranceiver |
| 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 |
| 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 |
| 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 |
| US6385276B1 (en) | 2001-06-12 | 2002-05-07 | Rf Micro Devices, Inc. | Dual-modulus prescaler |
| US6710951B1 (en) * | 2001-10-31 | 2004-03-23 | Western Digital Technologies, Inc. | Phase locked loop employing a fractional frequency synthesizer as a variable oscillator |
| US7437393B2 (en) | 2002-07-23 | 2008-10-14 | Nec Corporation | Signal processing apparatus, non-integer divider, and fractional N-PLL synthesizer using the same |
| 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 |
| 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 |
| CN100530939C (zh) | 2004-03-19 | 2009-08-19 | 松下电器产业株式会社 | 调频装置、包括该调频装置的发送装置及无线通信机器 |
| 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 |
| JPS62502232A (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 |
| DE3671815D1 (de) * | 1985-02-21 | 1990-07-12 | Plessey Overseas | Sich auf synthesierer beziehende verbesserungen. |
| 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 (da) * | 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 JP JP3514278A patent/JP2844389B2/ja not_active Expired - Lifetime
- 1991-08-01 BR BR919105891A patent/BR9105891A/pt not_active IP Right Cessation
- 1991-08-01 DE DE4192081A patent/DE4192081C2/de not_active Expired - Lifetime
- 1991-08-01 AU AU83955/91A patent/AU632243B2/en not_active Expired
- 1991-08-01 WO PCT/US1991/005455 patent/WO1992004766A1/en active IP Right Grant
- 1991-08-01 KR KR1019920700995A patent/KR960001074B1/ko not_active IP Right Cessation
- 1991-08-01 ES ES09250023A patent/ES2088714B1/es not_active Expired - Fee Related
- 1991-08-01 DE DE19914192081 patent/DE4192081T/de active Pending
- 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
- 1991-08-28 MX MX9100853A patent/MX9100853A/es unknown
- 1991-08-30 FR FR9110807A patent/FR2666464A1/fr active Granted
- 1991-08-30 IE IE305991A patent/IE67289B1/en not_active IP Right Cessation
- 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 |
|---|---|
| ITRM910653A0 (it) | 1991-08-30 |
| IT1250771B (it) | 1995-04-21 |
| FR2666464B1 (da) | 1997-02-21 |
| KR920702570A (ko) | 1992-09-04 |
| WO1992004766A1 (en) | 1992-03-19 |
| IE67289B1 (en) | 1996-03-20 |
| CA2066745C (en) | 1996-09-17 |
| GB2255680A (en) | 1992-11-11 |
| CA2066745A1 (en) | 1992-03-01 |
| FR2666464A1 (fr) | 1992-03-06 |
| GB9209282D0 (en) | 1992-07-08 |
| JP2844389B2 (ja) | 1999-01-06 |
| DK54892D0 (da) | 1992-04-28 |
| SE9201350L (sv) | 1992-06-22 |
| AU8395591A (en) | 1992-03-30 |
| IE913059A1 (en) | 1992-03-11 |
| ES2088714B1 (es) | 1997-02-16 |
| ES2088714A1 (es) | 1996-08-16 |
| GB2255680B (en) | 1994-08-03 |
| KR960001074B1 (ko) | 1996-01-18 |
| JPH05502154A (ja) | 1993-04-15 |
| DE4192081T (da) | 1992-08-27 |
| SE9201350D0 (sv) | 1992-04-29 |
| AT402247B (de) | 1997-03-25 |
| US5070310A (en) | 1991-12-03 |
| AU632243B2 (en) | 1992-12-17 |
| ATA900691A (de) | 1996-07-15 |
| BR9105891A (pt) | 1992-10-13 |
| DK54892A (da) | 1992-04-28 |
| MX9100853A (es) | 1992-04-01 |
| DE4192081C2 (de) | 1996-02-01 |
| ITRM910653A1 (it) | 1992-03-01 |
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Legal Events
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| NAL | Patent in force |
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