DE19952867A1 - Phasendetektor mit Frequenzsteuerung - Google Patents

Phasendetektor mit Frequenzsteuerung

Info

Publication number
DE19952867A1
DE19952867A1 DE19952867A DE19952867A DE19952867A1 DE 19952867 A1 DE19952867 A1 DE 19952867A1 DE 19952867 A DE19952867 A DE 19952867A DE 19952867 A DE19952867 A DE 19952867A DE 19952867 A1 DE19952867 A1 DE 19952867A1
Authority
DE
Germany
Prior art keywords
current
current source
terminal
signal
connection
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.)
Withdrawn
Application number
DE19952867A
Other languages
German (de)
English (en)
Inventor
Alexander W Hietala
David M Gonzalez
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DE19952867A1 publication Critical patent/DE19952867A1/de
Withdrawn legal-status Critical Current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
    • 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
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
    • H03L7/141—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail the phase-locked loop controlling several oscillators in turn
    • 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
    • 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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
DE19952867A 1998-11-06 1999-11-03 Phasendetektor mit Frequenzsteuerung Withdrawn DE19952867A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/187,621 US6327319B1 (en) 1998-11-06 1998-11-06 Phase detector with frequency steering

Publications (1)

Publication Number Publication Date
DE19952867A1 true DE19952867A1 (de) 2000-05-18

Family

ID=22689749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19952867A Withdrawn DE19952867A1 (de) 1998-11-06 1999-11-03 Phasendetektor mit Frequenzsteuerung

Country Status (7)

Country Link
US (1) US6327319B1 (enExample)
JP (1) JP4472067B2 (enExample)
KR (1) KR100312574B1 (enExample)
CN (1) CN1153350C (enExample)
BR (1) BR9904975A (enExample)
DE (1) DE19952867A1 (enExample)
GB (1) GB2343568B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6734708B1 (en) 1999-07-23 2004-05-11 Infineon Technologies Ag Controllable current source circuit and a phase locked loop equipped with such a circuit

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100346211B1 (ko) * 2000-10-19 2002-08-01 삼성전자 주식회사 이동통신단말기에서 송수신용 국부발진신호 발생장치 및방법
JP2002175479A (ja) * 2000-12-06 2002-06-21 D Works:Kk 電気通信回線を利用してアート情報を提供する方法およびそのシステム
KR20020086049A (ko) * 2001-05-11 2002-11-18 (주)글로벌테크 리모콘 송수신 회로
KR20020090753A (ko) * 2001-05-29 2002-12-05 엘지전자 주식회사 위상 동기 루프에서의 위상 및 주파수 검출 회로
US7042970B1 (en) * 2001-06-15 2006-05-09 Analog Devices, Inc. Phase frequency detector with adjustable offset
JP4227352B2 (ja) * 2002-04-16 2009-02-18 キヤノン株式会社 一致検出装置及び方法
JP3486186B1 (ja) * 2002-10-23 2004-01-13 沖電気工業株式会社 受信データ再生装置
US20050187482A1 (en) 2003-09-16 2005-08-25 O'brien David Implantable wireless sensor
US7245117B1 (en) * 2004-11-01 2007-07-17 Cardiomems, Inc. Communicating with implanted wireless sensor
US8026729B2 (en) 2003-09-16 2011-09-27 Cardiomems, Inc. System and apparatus for in-vivo assessment of relative position of an implant
USD511701S1 (en) * 2004-04-06 2005-11-22 Hioki Denki Kabushiki Kaisha Phase detector
JP2006005523A (ja) * 2004-06-16 2006-01-05 Agilent Technol Inc フラクショナル・スプリアスの低減方法、フラクショナル・スプリアスの発生を低減したフラクショナルｎ−ｐｌｌ発振器
CA2613241A1 (en) 2005-06-21 2007-01-04 Cardiomems, Inc. Method of manufacturing implantable wireless sensor for in vivo pressure measurement
US7539278B2 (en) * 2005-12-02 2009-05-26 Altera Corporation Programmable transceivers that are able to operate over wide frequency ranges
US7443251B2 (en) * 2005-12-15 2008-10-28 International Business Machines Corporation Digital phase and frequency detector
JP2007274081A (ja) * 2006-03-30 2007-10-18 Mitsubishi Electric Corp 位相同期ループ形周波数シンセサイザ
US20080013664A1 (en) * 2006-07-11 2008-01-17 Mediatek Inc. Phase error measurement circuit and method thereof
GB0622945D0 (en) * 2006-11-17 2006-12-27 Zarlink Semiconductor Inc Fractional digital PLL
US7825738B2 (en) * 2006-12-06 2010-11-02 Broadcom Corporation Method and system for implementing a low power, high performance fractional-N PLL
US7616069B2 (en) * 2006-12-06 2009-11-10 Broadcom Corporation Method and system for fast PLL close-loop settling after open-loop VCO calibration
US7449929B2 (en) * 2007-02-08 2008-11-11 Motorola, Inc Automatic bias adjustment for phase-locked loop charge pump
US8130044B2 (en) * 2008-06-19 2012-03-06 Altera Corporation Phase-locked loop circuitry with multiple voltage-controlled oscillators
CN101826869B (zh) * 2009-12-29 2012-07-18 国民技术股份有限公司 含双电流源电荷泵及双比较器复位电路的锁相环电路
JP5793127B2 (ja) * 2012-10-11 2015-10-14 旭化成エレクトロニクス株式会社 周波数シンセサイザ
JP6891888B2 (ja) * 2016-07-11 2021-06-18 ソニーグループ株式会社 スイッチング回路、自動利得制御回路および位相同期回路
US10998911B1 (en) * 2019-12-30 2021-05-04 Nxp Usa, Inc. Fractional N PLL with sigma-delta noise cancellation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151665A (en) 1991-02-07 1992-09-29 Uniden America Corporation Phase-lock-loop system with variable bandwidth and charge pump parameters
US5208546A (en) 1991-08-21 1993-05-04 At&T Bell Laboratories Adaptive charge pump for phase-locked loops
JPH06216767A (ja) 1992-11-18 1994-08-05 Philips Electron Nv 安定化位相弁別器を備えるフェーズロックドループ用回路
US5495206A (en) * 1993-10-29 1996-02-27 Motorola, Inc. Fractional N frequency synthesis with residual error correction and method thereof
US5703539A (en) 1993-12-17 1997-12-30 Motorola, Inc. Apparatus and method for controlling the loop bandwidth of a phase locked loop
US5818304A (en) 1997-03-20 1998-10-06 Northern Telecom Limited Phase-locked loop
US6049233A (en) 1998-03-17 2000-04-11 Motorola, Inc. Phase detection apparatus
US6002273A (en) * 1998-10-05 1999-12-14 Motorola, Inc. Linear low noise phase-frequency detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6734708B1 (en) 1999-07-23 2004-05-11 Infineon Technologies Ag Controllable current source circuit and a phase locked loop equipped with such a circuit

Also Published As

Publication number Publication date
GB2343568A (en) 2000-05-10
KR20000035274A (ko) 2000-06-26
CN1153350C (zh) 2004-06-09
JP2000151396A (ja) 2000-05-30
KR100312574B1 (ko) 2001-11-05
JP4472067B2 (ja) 2010-06-02
CN1253417A (zh) 2000-05-17
US6327319B1 (en) 2001-12-04
GB2343568B (en) 2001-06-06
GB9926075D0 (en) 2000-01-12
BR9904975A (pt) 2000-09-12

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 8033

8139 Disposal/non-payment of the annual fee