CA2061475A1 - Systeme a boucle a asservissement de phase a largeur de bande et a parametres de pompage de charge variables - Google Patents

Systeme a boucle a asservissement de phase a largeur de bande et a parametres de pompage de charge variables

Info

Publication number
CA2061475A1
CA2061475A1 CA2061475A CA2061475A CA2061475A1 CA 2061475 A1 CA2061475 A1 CA 2061475A1 CA 2061475 A CA2061475 A CA 2061475A CA 2061475 A CA2061475 A CA 2061475A CA 2061475 A1 CA2061475 A1 CA 2061475A1
Authority
CA
Canada
Prior art keywords
phase
charge pump
phase lock
coupled
signal
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.)
Granted
Application number
CA2061475A
Other languages
English (en)
Other versions
CA2061475C (fr
Inventor
David Donald Wentzler
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.)
Uniden America Corp
Original Assignee
Uniden America Corp
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 Uniden America Corp filed Critical Uniden America Corp
Publication of CA2061475A1 publication Critical patent/CA2061475A1/fr
Application granted granted Critical
Publication of CA2061475C publication Critical patent/CA2061475C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
    • H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
    • H03L7/0895—Details of the current generators
    • H03L7/0898—Details of the current generators the source or sink current values being variable
    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1072—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the charge pump, e.g. changing the gain

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CA002061475A 1991-02-07 1992-02-19 Systeme a boucle a asservissement de phase a largeur de bande et a parametres de pompage de charge variables Expired - Fee Related CA2061475C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/652,182 US5151665A (en) 1991-02-07 1991-02-07 Phase-lock-loop system with variable bandwidth and charge pump parameters

Publications (2)

Publication Number Publication Date
CA2061475A1 true CA2061475A1 (fr) 1993-08-20
CA2061475C CA2061475C (fr) 1998-12-29

Family

ID=24615839

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002061475A Expired - Fee Related CA2061475C (fr) 1991-02-07 1992-02-19 Systeme a boucle a asservissement de phase a largeur de bande et a parametres de pompage de charge variables

Country Status (2)

Country Link
US (1) US5151665A (fr)
CA (1) CA2061475C (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2788797B2 (ja) * 1991-06-13 1998-08-20 日本電気株式会社 位相同期ループ回路
GB9213624D0 (en) * 1992-06-26 1992-08-12 Motorola Israel Ltd A phase lock loop
US5498998A (en) * 1992-11-16 1996-03-12 Gehrke; James K. Method for adjusting the output frequency of a frequency synthesizer
JP3267756B2 (ja) * 1993-07-02 2002-03-25 株式会社日立製作所 半導体集積回路装置
WO1995010880A1 (fr) * 1993-10-12 1995-04-20 Motorola Inc. Synthetiseur de frequence a commande de largeur de bande adaptative
US5448763A (en) * 1993-11-09 1995-09-05 Motorola Apparatus and method for operating a phase locked loop frequency synthesizer responsive to radio frequency channel spacing
US5703539A (en) * 1993-12-17 1997-12-30 Motorola, Inc. Apparatus and method for controlling the loop bandwidth of a phase locked loop
US5631587A (en) * 1994-05-03 1997-05-20 Pericom Semiconductor Corporation Frequency synthesizer with adaptive loop bandwidth
US6057739A (en) * 1997-09-26 2000-05-02 Advanced Micro Devices, Inc. Phase-locked loop with variable parameters
KR200176429Y1 (ko) * 1997-12-30 2000-04-15 윤종용 입력되는 표시 모드에 대응하여 위상 동기 루프 회로의 입력 전압을 제어하는 디스플레이 장치
US6330296B1 (en) 1998-06-12 2001-12-11 International Business Machines Corporation Delay-locked loop which includes a monitor to allow for proper alignment of signals
US6327319B1 (en) 1998-11-06 2001-12-04 Motorola, Inc. Phase detector with frequency steering
US6621675B2 (en) * 2001-02-02 2003-09-16 Broadcom Corporation High bandwidth, high PSRR, low dropout voltage regulator
US6483358B2 (en) 2001-02-02 2002-11-19 Broadcom Corporation Low power, charge injection compensated charge pump
US6566970B2 (en) 2001-02-02 2003-05-20 Broadcom Corporation High-speed, high PSRR, wide operating range voltage controlled oscillator
US6441660B1 (en) 2001-02-02 2002-08-27 Broadcom Corporation High speed, wide bandwidth phase locked loop
DE10108636A1 (de) * 2001-02-22 2002-09-19 Infineon Technologies Ag Abgleichverfahren und Abgleicheinrichtung für PLL-Schaltung zur Zwei-Punkt-Modulation
JP3851511B2 (ja) * 2001-03-14 2006-11-29 株式会社ルネサステクノロジ Ｆｍ送信機
US7082178B2 (en) * 2001-12-14 2006-07-25 Seiko Epson Corporation Lock detector circuit for dejitter phase lock loop (PLL)
US7464346B2 (en) * 2006-06-20 2008-12-09 Taiwan Semiconductor Manufacturing Co., Ltd. Method for designing phase-lock loop circuits
US7616069B2 (en) * 2006-12-06 2009-11-10 Broadcom Corporation Method and system for fast PLL close-loop settling after open-loop VCO calibration
US7825738B2 (en) * 2006-12-06 2010-11-02 Broadcom Corporation Method and system for implementing a low power, high performance fractional-N PLL
DE602008004158D1 (de) * 2008-10-03 2011-02-03 Swatch Group Res & Dev Ltd Selbstkalibrierverfahren eines Frequenzgenerators mit Zweipunkt-FSK-Modulation
US9712317B2 (en) * 2015-02-17 2017-07-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Carrier synchronization appropriate for ALM NFC data transmission

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156855A (en) * 1978-01-26 1979-05-29 Rca Corporation Phase-locked loop with variable gain and bandwidth
JPS58130631A (ja) * 1982-01-28 1983-08-04 Fujitsu Ltd フエイズロツクドル−プ
US4745372A (en) * 1985-10-17 1988-05-17 Matsushita Electric Industrial Co., Ltd. Phase-locked-loop circuit having a charge pump

Also Published As

Publication number Publication date
CA2061475C (fr) 1998-12-29
US5151665A (en) 1992-09-29

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