AU2002211610A1 - Modulator using a phase-locked loop - Google Patents

Modulator using a phase-locked loop

Info

Publication number
AU2002211610A1
AU2002211610A1 AU2002211610A AU1161002A AU2002211610A1 AU 2002211610 A1 AU2002211610 A1 AU 2002211610A1 AU 2002211610 A AU2002211610 A AU 2002211610A AU 1161002 A AU1161002 A AU 1161002A AU 2002211610 A1 AU2002211610 A1 AU 2002211610A1
Authority
AU
Australia
Prior art keywords
modulator
phase
locked loop
locked
loop
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
AU2002211610A
Inventor
Simon Atkinson
Antonio J. Montalvo
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.)
Analog Devices Inc
Original Assignee
Analog 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 Analog Devices Inc filed Critical Analog Devices Inc
Publication of AU2002211610A1 publication Critical patent/AU2002211610A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0991—Modifications of modulator for regulating the mean frequency using a phase locked loop including calibration means or calibration methods
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0983—Modifications of modulator for regulating the mean frequency using a phase locked loop containing in the loop a mixer other than for phase detection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
    • 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
    • H03L7/185—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 a mixer in the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AU2002211610A 2000-10-11 2001-10-10 Modulator using a phase-locked loop Abandoned AU2002211610A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/689,288 2000-10-11
US09/689,288 US6693969B1 (en) 2000-10-11 2000-10-11 Phase-locked loop methods and structures for generating modulated communication signals with nonconstant envelopes
PCT/US2001/031703 WO2002031963A2 (en) 2000-10-11 2001-10-10 Modulator using a phase-locked loop

Publications (1)

Publication Number Publication Date
AU2002211610A1 true AU2002211610A1 (en) 2002-04-22

Family

ID=24767791

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002211610A Abandoned AU2002211610A1 (en) 2000-10-11 2001-10-10 Modulator using a phase-locked loop

Country Status (3)

Country Link
US (1) US6693969B1 (en)
AU (1) AU2002211610A1 (en)
WO (1) WO2002031963A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959403A1 (en) * 1999-12-09 2001-06-13 Rohde & Schwarz Arrangement for regulating the output power of an RF transmitter
US6975686B1 (en) * 2000-10-31 2005-12-13 Telefonaktiebolaget L.M. Ericsson IQ modulation systems and methods that use separate phase and amplitude signal paths
US7551685B2 (en) * 2003-08-25 2009-06-23 M/A-Com, Inc. Apparatus, methods and articles of manufacture for signal correction using adaptive phase re-alignment
TW578387B (en) * 2002-10-31 2004-03-01 Mediatek Inc Phase-lock loop applying in wireless communication system and method thereof
US7123666B2 (en) * 2003-05-09 2006-10-17 Texas Instruments Incorporated Gaussian minimum shift key transmitter with feedforward phase compensation
TWI225338B (en) * 2003-09-18 2004-12-11 Ind Tech Res Inst An up-conversion modulation looper for multi-mode mobile communication
US7397863B2 (en) * 2003-09-30 2008-07-08 Broadcom Corporation Implementation technique for linear phase equalization in multi-mode RF transmitters
US7230505B2 (en) * 2005-04-04 2007-06-12 Freescale Semiconductor, Inc. Voltage controlled oscillator with gain control
TWI376876B (en) * 2006-10-23 2012-11-11 Realtek Semiconductor Corp Fraction-n frequency divider and method thereof
TWI338456B (en) * 2006-10-23 2011-03-01 Realtek Semiconductor Corp Hybrid phase-locked loop
US8803627B1 (en) 2013-12-03 2014-08-12 Innophase Inc. Wideband direct DCO modulator with in-band compensation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3242480A1 (en) 1982-11-18 1984-05-24 ANT Nachrichtentechnik GmbH, 7150 Backnang Circuit arrangement for generating a radio-frequency phase-modulated signal
EP0209754A2 (en) 1985-07-15 1987-01-28 Motorola, Inc. Two-part synthesizer modulation system using a reference phase modulator
US5784402A (en) 1995-01-09 1998-07-21 Kamilo Feher FMOD transceivers including continuous and burst operated TDMA, FDMA, spread spectrum CDMA, WCDMA and CSMA
FR2755556A1 (en) 1996-11-06 1998-05-07 Motorola Semiconducteurs FREQUENCY MODULATOR, TRANSMITTER AND TRANSCEIVER INCORPORATING THE FREQUENCY MODULATOR
US5966055A (en) 1997-02-14 1999-10-12 Lucent Technologies, Inc. Phase-shift modulation of a direct antenna-driving VCO
US5825257A (en) 1997-06-17 1998-10-20 Telecommunications Research Laboratories GMSK modulator formed of PLL to which continuous phase modulated signal is applied
US5952895A (en) 1998-02-23 1999-09-14 Tropian, Inc. Direct digital synthesis of precise, stable angle modulated RF signal
US6191653B1 (en) 1998-11-18 2001-02-20 Ericsson Inc. Circuit and method for linearizing amplitude modulation in a power amplifier

Also Published As

Publication number Publication date
WO2002031963A3 (en) 2003-04-03
WO2002031963A2 (en) 2002-04-18
US6693969B1 (en) 2004-02-17

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