ATE91204T1 - Lade-entladeschaltung fuer phasenregelkreis. - Google Patents

Lade-entladeschaltung fuer phasenregelkreis.

Info

Publication number
ATE91204T1
ATE91204T1 AT86300672T AT86300672T ATE91204T1 AT E91204 T1 ATE91204 T1 AT E91204T1 AT 86300672 T AT86300672 T AT 86300672T AT 86300672 T AT86300672 T AT 86300672T AT E91204 T1 ATE91204 T1 AT E91204T1
Authority
AT
Austria
Prior art keywords
charge
capacitor
pump
control loop
phase control
Prior art date
Application number
AT86300672T
Other languages
English (en)
Inventor
Neil R Adams
Original Assignee
Advanced Micro Devices 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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of ATE91204T1 publication Critical patent/ATE91204T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
    • 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
    • H03L7/0896—Details of the current generators the current generators being controlled by differential up-down pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Networks Using Active Elements (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Manipulation Of Pulses (AREA)
AT86300672T 1985-02-01 1986-01-31 Lade-entladeschaltung fuer phasenregelkreis. ATE91204T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/697,374 US4668918A (en) 1985-02-01 1985-02-01 Low order charge-pump filter
EP86300672A EP0195500B1 (de) 1985-02-01 1986-01-31 Lade-Entladeschaltung für Phasenregelkreis

Publications (1)

Publication Number Publication Date
ATE91204T1 true ATE91204T1 (de) 1993-07-15

Family

ID=24800894

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86300672T ATE91204T1 (de) 1985-02-01 1986-01-31 Lade-entladeschaltung fuer phasenregelkreis.

Country Status (5)

Country Link
US (1) US4668918A (de)
EP (1) EP0195500B1 (de)
JP (1) JPS61182319A (de)
AT (1) ATE91204T1 (de)
DE (1) DE3688621T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686481A (en) * 1985-02-01 1987-08-11 Advanced Micro Devices, Inc. Phase detector apparatus including charge pump means
AU591496B2 (en) * 1985-06-26 1989-12-07 Data General Corporation A charge pump for use in a phase-locked loop
US4750193A (en) * 1987-04-20 1988-06-07 International Business Machines Corporation Phase-locked data detector
US4829391A (en) * 1987-08-04 1989-05-09 Micropolis Corporation High speed integrated charge pump circuit for phase lock loops
US4847519A (en) * 1987-10-14 1989-07-11 Vtc Incorporated Integrated, high speed, zero hold current and delay compensated charge pump
JP2879763B2 (ja) * 1989-06-27 1999-04-05 ソニー株式会社 Ｐｌｌのチャージポンプ回路
US5036229A (en) * 1989-07-18 1991-07-30 Gazelle Microcircuits, Inc. Low ripple bias voltage generator
US5189313A (en) * 1990-11-19 1993-02-23 Tektronix, Inc. Variable transition time generator
US5514985A (en) * 1990-12-05 1996-05-07 Rockwell International Corporation Virtual amplifier
US5252865A (en) * 1991-08-22 1993-10-12 Triquint Semiconductor, Inc. Integrating phase detector
US5337023A (en) * 1993-06-01 1994-08-09 National Semiconductor Corporation Reduced phase-jitter horizontal sweep control phase-lock-loop and method
US5332930A (en) * 1993-06-24 1994-07-26 Intel Corporation Phase locked loop circuitry with variable gain and bandwidth
US5491439A (en) * 1994-08-31 1996-02-13 International Business Machines Corporation Method and apparatus for reducing jitter in a phase locked loop circuit
US5513225A (en) * 1994-08-31 1996-04-30 International Business Machines Corporation Resistorless phase locked loop circuit employing direct current injection
US5525932A (en) * 1994-08-31 1996-06-11 International Business Machines Corporation Lock indicator for phase locked loop circuit
US5495207A (en) * 1994-08-31 1996-02-27 International Business Machines Corporation Differential current controlled oscillator with variable load
US5619161A (en) * 1994-08-31 1997-04-08 International Business Machines Corporation Diffrential charge pump with integrated common mode control
US5939901A (en) * 1997-09-22 1999-08-17 Northern Telecom Limited Synthesizable flip-flop based phase-frequency comparator for phase-locked loops
EP1120901A1 (de) * 2000-01-24 2001-08-01 Telefonaktiebolaget Lm Ericsson Leitungstreiber
US6445225B2 (en) 2000-01-28 2002-09-03 Telefonaktiebolaget Lm Ericsson (Publ) Line driver with variable power

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7007870A (de) * 1970-05-29 1971-12-01
DE2233724C3 (de) * 1972-07-08 1975-11-27 Loewe Opta Gmbh, 1000 Berlin Schaltungsanordnung zum Einstellen der Frequenz in spannungsabhängigen Oszillatoren
DE2706224C2 (de) * 1977-02-14 1985-01-10 Rohde & Schwarz GmbH & Co KG, 8000 München Digital einstellbarer Frequenzgenerator
US4151473A (en) * 1977-11-18 1979-04-24 Harris Corporation Phase detector circuit
US4166984A (en) * 1978-05-25 1979-09-04 Rockwell International Corporation Restricted rate of change phase lock loop apparatus
US4238740A (en) * 1979-02-02 1980-12-09 Bell Telephone Laboratories, Incorporated Phase-locked loop for PCM transmission systems
JPS5730414A (en) * 1980-07-30 1982-02-18 Fujitsu Ltd Offset automatic compensating system
DE3171263D1 (en) * 1980-12-12 1985-08-08 Philips Electronic Associated Phase sensitive detector
FR2503487A1 (fr) * 1981-04-03 1982-10-08 Equip Scient Sa Appareil electronique delivrant des signaux de formes differentes tels que des signaux carres, en sinus, en triangle
JPS58130631A (ja) * 1982-01-28 1983-08-04 Fujitsu Ltd フエイズロツクドル−プ
US4450410A (en) * 1982-03-03 1984-05-22 Raytheon Company Phase-lock loop control circuitry
US4506233A (en) * 1982-06-28 1985-03-19 General Electric Company Bandwidth control circuit for a phase locked loop
CA1184979A (en) * 1982-08-18 1985-04-02 John G. Hogeboom Phase comparator
US4484089A (en) * 1982-08-19 1984-11-20 At&T Bell Laboratories Switched-capacitor conductance-control of variable transconductance elements

Also Published As

Publication number Publication date
EP0195500B1 (de) 1993-06-30
DE3688621D1 (de) 1993-08-05
DE3688621T2 (de) 1994-01-20
JPS61182319A (ja) 1986-08-15
EP0195500A2 (de) 1986-09-24
US4668918A (en) 1987-05-26
EP0195500A3 (en) 1988-04-27

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties