[go: up one dir, main page]

AU2002220120A1 - Phase lock loop circuit - Google Patents

Phase lock loop circuit

Info

Publication number
AU2002220120A1
AU2002220120A1 AU2002220120A AU2012002A AU2002220120A1 AU 2002220120 A1 AU2002220120 A1 AU 2002220120A1 AU 2002220120 A AU2002220120 A AU 2002220120A AU 2012002 A AU2012002 A AU 2012002A AU 2002220120 A1 AU2002220120 A1 AU 2002220120A1
Authority
AU
Australia
Prior art keywords
loop circuit
phase lock
lock loop
phase
circuit
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.)
Abandoned
Application number
AU2002220120A
Inventor
Benjamin Tang
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.)
Primarion Inc
Original Assignee
Primarion 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 Primarion Inc filed Critical Primarion Inc
Publication of AU2002220120A1 publication Critical patent/AU2002220120A1/en
Abandoned 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
    • H03L7/099—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
    • H03L7/0998—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator using phase interpolation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231—Astable circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0315—Ring oscillators
    • H03K3/0322—Ring oscillators with differential cells
    • 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
    • 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
    • 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
    • H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/187—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 fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop
    • H03L7/189—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 fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop comprising a D/A converter for generating a coarse tuning voltage
    • 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
AU2002220120A 2000-11-01 2001-11-01 Phase lock loop circuit Abandoned AU2002220120A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24494400P 2000-11-01 2000-11-01
US60/244,944 2000-11-01
PCT/US2001/045766 WO2002037683A2 (en) 2000-11-01 2001-11-01 Phase lock loop circuit

Publications (1)

Publication Number Publication Date
AU2002220120A1 true AU2002220120A1 (en) 2002-05-15

Family

ID=22924719

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002220120A Abandoned AU2002220120A1 (en) 2000-11-01 2001-11-01 Phase lock loop circuit

Country Status (2)

Country Link
AU (1) AU2002220120A1 (en)
WO (1) WO2002037683A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2498946A (en) * 2012-01-31 2013-08-07 Texas Instruments Ltd Fast start-up circuit for phase locked loop (PLL)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568888A (en) * 1983-11-08 1986-02-04 Trw Inc. PLL Fast frequency synthesizer with memories for coarse tuning and loop gain correction
FR2619978B1 (en) * 1987-08-26 1994-03-25 Tonna Electronique DEVICE HAVING A PHASE LOCKED LOOP
US5604465A (en) * 1995-06-07 1997-02-18 International Business Machines Corporation Adaptive self-calibration for fast tuning phaselock loops
GB9618901D0 (en) * 1996-09-10 1996-10-23 Phoenix Vlsi Consultants Ltd Phase-tuned ring oscillator

Also Published As

Publication number Publication date
WO2002037683A2 (en) 2002-05-10
WO2002037683A3 (en) 2003-05-15

Similar Documents

Publication Publication Date Title
AU2001275880A1 (en) Digitally-synthesized loop filter circuit particularly useful for a phase locked loop
EP1184988A3 (en) PLL circuit
AU2002230940A1 (en) Arrayed-segment loop antenna
ATE467949T1 (en) PHASE LOCK LOOP CIRCUIT
AU4280300A (en) Frequency-multiplying delay locked loop
AU1125000A (en) Phase lock loop enabling smooth loop bandwidth switching
GB2363268B (en) Timing circuit with dual phase locked loops
GB0121713D0 (en) Accumulator based phase locked loop
AU2003253203A1 (en) Phase locked loop
AU2001241872A1 (en) Combination lock
AU2001262287A1 (en) Oscillator circuit
AU2001285268A1 (en) Oscillator circuit having reduced phase noise
GB2367961B (en) Phase-locked loop circuit
GB9922068D0 (en) Dual loop phase-locked loop
AU2002224587A1 (en) Analog phase locked loop holdover
AU2002367071A1 (en) Phase synchronization circuit
AU2002252890A1 (en) Phase-locked loop system
GB9721135D0 (en) Phase locked loop circuit
AUPQ788200A0 (en) Snowboard lock
AU2002220120A1 (en) Phase lock loop circuit
AU2001261395A1 (en) Phase locked loop having dc bias circuitry
GB0008640D0 (en) Phase locked loop synthesisers
AU2003254229A1 (en) Phase locked loop
EP1241790A3 (en) Full digital phase locked loop and circuitry for utilizing the same
AU2000268585A1 (en) Phase modulator