DE602005012562D1 - Frequenzsynthetiser Architektur - Google Patents

Frequenzsynthetiser Architektur

Info

Publication number
DE602005012562D1
DE602005012562D1 DE602005012562T DE602005012562T DE602005012562D1 DE 602005012562 D1 DE602005012562 D1 DE 602005012562D1 DE 602005012562 T DE602005012562 T DE 602005012562T DE 602005012562 T DE602005012562 T DE 602005012562T DE 602005012562 D1 DE602005012562 D1 DE 602005012562D1
Authority
DE
Germany
Prior art keywords
frequency synthesizer
synthesizer architecture
architecture
frequency
synthesizer
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
DE602005012562T
Other languages
English (en)
Inventor
Mostafa Ghazali
Pierre-Olivier Jouffre
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34942478&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602005012562(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by STMicroelectronics SA filed Critical STMicroelectronics SA
Publication of DE602005012562D1 publication Critical patent/DE602005012562D1/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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
    • H03L7/0996—Selecting a signal among the plurality of phase-shifted signals produced by the ring oscillator
    • 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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • 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
DE602005012562T 2004-08-06 2005-07-22 Frequenzsynthetiser Architektur Active DE602005012562D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0408737 2004-08-06

Publications (1)

Publication Number Publication Date
DE602005012562D1 true DE602005012562D1 (de) 2009-03-19

Family

ID=34942478

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005012562T Active DE602005012562D1 (de) 2004-08-06 2005-07-22 Frequenzsynthetiser Architektur

Country Status (3)

Country Link
US (1) US7298218B2 (de)
EP (1) EP1624575B1 (de)
DE (1) DE602005012562D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050215216A1 (en) * 2004-03-25 2005-09-29 Ess Technology, Inc. Sigma delta modulator loop configured to compensate amplifier noise affecting signals in the AM radio frequency band
WO2007116379A1 (en) * 2006-04-12 2007-10-18 Nxp B.V. Method and system for configuration of a phase-locked loop circuit
US7714666B2 (en) * 2006-06-15 2010-05-11 Mediatek Inc. Phase locked loop frequency synthesizer and method for modulating the same
US7560962B2 (en) * 2006-12-12 2009-07-14 Texas Instruments Incorporated Generating an output signal with a frequency that is a non-integer fraction of an input signal
US7541880B2 (en) * 2007-04-17 2009-06-02 Mosaid Technologies Corporation Circuit and method for glitch correction
KR100915817B1 (ko) * 2007-10-09 2009-09-07 주식회사 하이닉스반도체 Ｄｌｌ 회로
GB0804342D0 (en) * 2008-03-07 2008-04-16 Cambridge Silicon Radio Ltd Charge transfer in a phase-locked loop
KR101709942B1 (ko) * 2010-09-09 2017-02-24 삼성전자주식회사 프랙셔널-ｎ 위상동기루프, 이의 동작 방법 및 이를 포함하는 장치들
US8963588B2 (en) * 2011-08-22 2015-02-24 Infineon Technologies Ag Fractional frequency divider
US8618967B2 (en) * 2012-03-30 2013-12-31 Broadcom Corporation Systems, circuits, and methods for a sigma-delta based time to digital converter
US8803574B2 (en) * 2012-12-04 2014-08-12 Cambridge Silicon Radio Limited Generating a tuned frequency output from a signal generator
WO2015084335A1 (en) * 2013-12-03 2015-06-11 Intel Corporation Apparatus and method for extending frequency range of a circuit and for over-clocking or under-clocking
GB2524041A (en) * 2014-03-12 2015-09-16 Nordic Semiconductor Asa Frequency synthesizer
US9483129B1 (en) * 2015-05-12 2016-11-01 Atmel Corporation Active stylus with fractional clock-cycle timing
TWI552531B (zh) 2015-12-24 2016-10-01 財團法人工業技術研究院 頻率合成器及頻率合成方法
US10560109B2 (en) * 2017-12-29 2020-02-11 Texas Instruments Incorporated Phased locked loop integrated circuit

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2709624B1 (fr) * 1993-08-31 1995-11-17 Sgs Thomson Microelectronics Synthétiseur de fréquence.
US5731743A (en) * 1996-10-07 1998-03-24 David Sarnoff Research Center, Inc. Frequency synthesizer having phase error feedback for waveform selection
US6356122B2 (en) * 1998-08-05 2002-03-12 Cypress Semiconductor Corp. Clock synthesizer with programmable input-output phase relationship
US6157694A (en) 1998-12-09 2000-12-05 Lucent Technologies, Inc. Fractional frequency divider
WO2001045263A1 (en) 1999-12-14 2001-06-21 Broadcom Corporation Frequency division/multiplication with jitter minimization
FI108380B (fi) * 2000-03-10 2002-01-15 Nokia Corp Monimurtojakajainen esijakaja
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
US7035367B2 (en) * 2001-09-26 2006-04-25 Nokia Corporation Fractional multi-modulus prescaler
EP1300949B1 (de) * 2001-10-05 2004-07-14 Asulab S.A. Dual Modulus Zähler/Teiler mit Phasenauswahl mit Mitteln zur Reduzierung des Energieverbrauches
AU2002363140A1 (en) * 2001-10-31 2003-05-12 Sirf Technologies, Inc. Fractional-r- frequency synthesizer
US6542013B1 (en) * 2002-01-02 2003-04-01 Intel Corporation Fractional divisors for multiple-phase PLL systems
US6642800B2 (en) * 2002-04-04 2003-11-04 Ati Technologies, Inc. Spurious-free fractional-N frequency synthesizer with multi-phase network circuit
US6724265B2 (en) * 2002-06-14 2004-04-20 Rf Micro Devices, Inc. Compensation for oscillator tuning gain variations in frequency synthesizers
DE10257185B3 (de) * 2002-12-06 2004-02-05 Infineon Technologies Ag Phasenregelschleife mit Sigma-Delta-Modulator

Also Published As

Publication number Publication date
EP1624575B1 (de) 2009-01-28
EP1624575A1 (de) 2006-02-08
US20060030285A1 (en) 2006-02-09
US7298218B2 (en) 2007-11-20

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Legal Events

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