DE602007008599D1 - Breitbandfrequenz-synthesizer mit eliminierung von parasitären niederfrequenzemissionen - Google Patents

Breitbandfrequenz-synthesizer mit eliminierung von parasitären niederfrequenzemissionen

Info

Publication number
DE602007008599D1
DE602007008599D1 DE602007008599T DE602007008599T DE602007008599D1 DE 602007008599 D1 DE602007008599 D1 DE 602007008599D1 DE 602007008599 T DE602007008599 T DE 602007008599T DE 602007008599 T DE602007008599 T DE 602007008599T DE 602007008599 D1 DE602007008599 D1 DE 602007008599D1
Authority
DE
Germany
Prior art keywords
frequency
factors
output signal
elimination
emissions
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.)
Active
Application number
DE602007008599T
Other languages
English (en)
Inventor
Arnaud Casagrande
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Publication of DE602007008599D1 publication Critical patent/DE602007008599D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H03L7/16—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
    • 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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE602007008599T 2006-10-16 2007-10-03 Breitbandfrequenz-synthesizer mit eliminierung von parasitären niederfrequenzemissionen Active DE602007008599D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06122367A EP1914893A1 (de) 2006-10-16 2006-10-16 Breitbandiger Frequenzsynthesiser mit Niederfrequenzstörsignalunterdrückung
PCT/EP2007/060505 WO2008046741A1 (fr) 2006-10-16 2007-10-03 Synthetiseur de frequence a large bande a suppression d'emissions parasites basses frequences

Publications (1)

Publication Number Publication Date
DE602007008599D1 true DE602007008599D1 (de) 2010-09-30

Family

ID=37814257

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007008599T Active DE602007008599D1 (de) 2006-10-16 2007-10-03 Breitbandfrequenz-synthesizer mit eliminierung von parasitären niederfrequenzemissionen

Country Status (10)

Country Link
US (1) US7928805B2 (de)
EP (2) EP1914893A1 (de)
JP (1) JP4833340B2 (de)
KR (1) KR101251708B1 (de)
CN (1) CN101529725B (de)
AT (1) ATE478475T1 (de)
DE (1) DE602007008599D1 (de)
HK (1) HK1137865A1 (de)
TW (1) TWI439055B (de)
WO (1) WO2008046741A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101277496B (zh) * 2008-05-12 2012-06-06 中兴通讯股份有限公司 一种双卡双模手机
TWI528725B (zh) 2013-05-06 2016-04-01 國立中山大學 寬頻頻率合成器及其頻率合成方法
JP6439915B2 (ja) 2014-09-12 2018-12-19 セイコーエプソン株式会社 フラクショナルｎ−ｐｌｌ回路、発振器、電子機器及び移動体

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2834923B2 (ja) * 1991-11-26 1998-12-14 三洋電機株式会社 位相ロックループ及びこれを用いたインタフェース回路
CA2267496C (en) * 1998-03-31 2003-03-11 Philsar Electronics Inc. A fractional-n divider using a delta-sigma modulator
CA2233831A1 (en) * 1998-03-31 1999-09-30 Tom Riley Digital-sigma fractional-n synthesizer
JP3556917B2 (ja) * 2001-03-23 2004-08-25 三菱電機株式会社 周波数シンセサイザ
JP3548557B2 (ja) * 2001-10-02 2004-07-28 Ｎｅｃ化合物デバイス株式会社 フラクショナルｎ周波数シンセサイザ
EP1300950A1 (de) 2001-10-05 2003-04-09 Asulab S.A. Dual Modulus Zähler/Teiler mit Phasenauswahl für einen Frequenzsynthesizer
US7231196B2 (en) * 2001-12-12 2007-06-12 Broadcom Corporation Method and apparatus for fractional-N synthesis
KR100468734B1 (ko) 2002-06-11 2005-01-29 삼성전자주식회사 노이즈를 감소시키기 위한 주파수 합성 회로
JP2005033581A (ja) * 2003-07-07 2005-02-03 Mitsubishi Electric Corp フラクショナル−ｎ方式の位相同期ループ形周波数シンセサイザ

Also Published As

Publication number Publication date
KR20090067157A (ko) 2009-06-24
JP2010521075A (ja) 2010-06-17
WO2008046741A1 (fr) 2008-04-24
US7928805B2 (en) 2011-04-19
EP2080269B1 (de) 2010-08-18
TW200838149A (en) 2008-09-16
EP2080269A1 (de) 2009-07-22
CN101529725A (zh) 2009-09-09
EP1914893A1 (de) 2008-04-23
KR101251708B1 (ko) 2013-04-05
JP4833340B2 (ja) 2011-12-07
TWI439055B (zh) 2014-05-21
CN101529725B (zh) 2012-10-03
US20100295624A1 (en) 2010-11-25
ATE478475T1 (de) 2010-09-15
HK1137865A1 (en) 2010-08-06

Similar Documents

Publication Publication Date Title
TW200607238A (en) Monolithic clock generator and timing/frequency reference
TW200607224A (en) Symmetrical linear voltage controlled oscillator
ATE498944T1 (de) Resonanzschaltkreis-abstimmsystem mit dynamischer impedanzanpassung
TW200515707A (en) Frequency synthesizer using wide-band voltage controlled oscillator and fast adaptive frequency calibration method
CA2563174A1 (en) Wideband voltage controlled oscillator employing evanescent mode coupled-resonators
DE60230554D1 (de) PLL-Schaltung mit veränderbarer Ausgangsfrequenz
DE602005012385D1 (de) Herstellung integrierter, akustischer Dünnschichtresonatoren (FBAR) mit unterschiedlichen Frequenzen
ATE396544T1 (de) Signalskalierungsschaltung mit geschalteten kapazitäten
TW200718027A (en) Voltage-controlled oscillator with stable gain over a wide frequency range
ATE478475T1 (de) Breitbandfrequenz-synthesizer mit eliminierung von parasitären niederfrequenzemissionen
TW200703914A (en) Delay circuit
ATE332032T1 (de) Mehrband- empfangsoszillatorfrequenzerzeugungsschaltung
ATE290220T1 (de) Hochfrequenzkämme für die abstimmungsdriftreduzierende schleife verwendender, rauscharmer mikrowellensynthesizer
GB2436977A (en) Tunable ring oscillator
DE60336832D1 (de) Voreinstellschaltung für einen spannungsgesteuerten oszillator
ATE463888T1 (de) Vorteiler für einen fraktional-n-synthesizer
DE60325409D1 (de) Oszillatoranordnung für sehr niedrige phasenrauschwirkung
WO2005104325A3 (en) Self tuning high voltage power supply
DE602004018090D1 (de) Integrierter Oszillator mit verbesserter Frequenzstabilität
ATE357081T1 (de) Frequenzgenerator mit mehreren spannungsgesteuerten oszillatoren
DE602004030202D1 (de) Hochfrequenzabstimmschaltkreise mit geschalteten Induktoren
DE602006004721D1 (de) Testpräparierte integrierte hf-schaltung
DE60305697D1 (de) Pll-schaltung
TW200700958A (en) Low frequency clock generation
FR2852749B1 (fr) Diviseur de frequence a taux de division variable