EE200000134A - Järelfiltreeritud *E faasilukustusahelaga modulaatori juhtimiseks - Google Patents

Järelfiltreeritud *E faasilukustusahelaga modulaatori juhtimiseks

Info

Publication number
EE200000134A
EE200000134A EEP200000134A EEP200000134A EE200000134A EE 200000134 A EE200000134 A EE 200000134A EE P200000134 A EEP200000134 A EE P200000134A EE P200000134 A EEP200000134 A EE P200000134A EE 200000134 A EE200000134 A EE 200000134A
Authority
EE
Estonia
Prior art keywords
modulator
filtered
post
controlling
phase lock
Prior art date
Application number
EEP200000134A
Other languages
English (en)
Inventor
Wilkinson Dent Paul
Berthold Gustafsson Kjell
Bengt Eriksson H�kan
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of EE200000134A publication Critical patent/EE200000134A/et

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
    • H03L7/16—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
    • H03L7/197—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • 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
    • H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
    • H03C3/0933—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop using fractional frequency division in the feedback loop of the phase locked 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
    • H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
    • H03C3/0925—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop applying frequency modulation at the divider in the feedback 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
    • H03L7/197—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • 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
    • H03L7/197—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • H03L7/1976—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
    • 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
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
EEP200000134A 1997-09-16 1998-09-11 Järelfiltreeritud *E faasilukustusahelaga modulaatori juhtimiseks EE200000134A (et)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/931,430 US6047029A (en) 1997-09-16 1997-09-16 Post-filtered delta sigma for controlling a phase locked loop modulator
PCT/SE1998/001623 WO1999014859A1 (en) 1997-09-16 1998-09-11 A post-filtered δς for controlling a phase locked loop m odulator

Publications (1)

Publication Number Publication Date
EE200000134A true EE200000134A (et) 2001-02-15

Family

ID=25460777

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP200000134A EE200000134A (et) 1997-09-16 1998-09-11 Järelfiltreeritud *E faasilukustusahelaga modulaatori juhtimiseks

Country Status (10)

Country Link
US (1) US6047029A (et)
EP (1) EP1048110B1 (et)
JP (1) JP4246380B2 (et)
KR (1) KR100532899B1 (et)
CN (1) CN1278970A (et)
AU (1) AU746796B2 (et)
BR (1) BR9812224A (et)
EE (1) EE200000134A (et)
MY (1) MY116771A (et)
WO (1) WO1999014859A1 (et)

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FR2809890B1 (fr) * 2000-05-31 2002-08-16 Matra Nortel Communications Synthetiseur a modulation numerique
US6580376B2 (en) 2000-07-10 2003-06-17 Silicon Laboratories, Inc. Apparatus and method for decimating a digital input signal
DE60125299T2 (de) * 2000-09-29 2007-10-04 Koninklijke Philips Electronics N.V. Frequenzsynthesizer und Verfahren zur Frequenzsynthese mit geringem Rauschen
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US7003049B2 (en) * 2001-06-12 2006-02-21 Rf Micro Devices, Inc. Fractional-N digital modulation with analog IQ interface
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US6710951B1 (en) 2001-10-31 2004-03-23 Western Digital Technologies, Inc. Phase locked loop employing a fractional frequency synthesizer as a variable oscillator
US7095819B2 (en) * 2001-12-26 2006-08-22 Texas Instruments Incorporated Direct modulation architecture for amplitude and phase modulated signals in multi-mode signal transmission
US7545865B2 (en) * 2002-12-03 2009-06-09 M/A-Com, Inc. Apparatus, methods and articles of manufacture for wideband signal processing
WO2004045180A1 (en) * 2002-10-08 2004-05-27 M/A-Com, Inc. Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal
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KR100498463B1 (ko) * 2002-11-22 2005-07-01 삼성전자주식회사 프랙셔널-ｎ 주파수 합성기 및 이를 구성하는 시그마-델타변조기
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US7912145B2 (en) * 2003-12-15 2011-03-22 Marvell World Trade Ltd. Filter for a modulator and methods thereof
JP4625030B2 (ja) * 2004-01-21 2011-02-02 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 通信システム
US7706495B2 (en) 2004-03-12 2010-04-27 Panasonic Corporation Two-point frequency modulation apparatus
DE102004025711B4 (de) * 2004-05-26 2008-12-11 Schreiner Group Gmbh & Co. Kg Etikett mit Anfasslasche und Verfahren zur Herstellung desselben
KR100666479B1 (ko) * 2004-08-30 2007-01-09 삼성전자주식회사 시그마 델타 변조기를 공유하는 수신 및 송신 채널 분수분주 위상 고정 루프를 포함한 주파수 합성기 및 그 동작방법
JP4214098B2 (ja) 2004-09-09 2009-01-28 株式会社ルネサステクノロジ シグマデルタ送信回路及びそれを用いた送受信機
US7912109B1 (en) 2005-06-30 2011-03-22 Cypress Semiconductor Corporation Spread spectrum frequency synthesizer with first order accumulation for frequency profile generation
US7701297B1 (en) 2005-06-30 2010-04-20 Cypress Semiconductor Corporation Spread spectrum frequency synthesizer with improved frequency shape by adjusting the length of a standard curve used for spread spectrum modulation
US7813411B1 (en) 2005-06-30 2010-10-12 Cypress Semiconductor Corporation Spread spectrum frequency synthesizer with high order accumulation for frequency profile generation
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US7405629B2 (en) 2005-06-30 2008-07-29 Cypress Semiconductor Corp. Frequency modulator, circuit, and method that uses multiple vector accumulation to achieve fractional-N frequency synthesis
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US7535311B2 (en) * 2006-11-30 2009-05-19 Infineon Technologies Ag Direct wideband modulation of a frequency synthesizer
KR100919836B1 (ko) * 2007-11-16 2009-10-01 한국과학기술원 양자화 잡음을 감소시킨 올 디지털 피엘엘 및 이를 이용한양자화 잡음이 감소된 발진 신호 발생 방법
US8085097B2 (en) * 2008-05-06 2011-12-27 Hittite Microwave Corporation Integrated ramp, sweep fractional frequency synthesizer on an integrated circuit chip
DE102011053121B4 (de) * 2011-08-30 2016-02-04 Imst Gmbh Erweiterte Delta-Sigma-Tau-Modulatorschaltung für eine Fraktional-N-PLL-Frequenzsynthesizer-Schaltung
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CN104330789B (zh) * 2014-11-04 2017-10-31 成都锐新科技有限公司 一种宽范围微波雷达测距装置
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Also Published As

Publication number Publication date
EP1048110B1 (en) 2003-11-26
KR100532899B1 (ko) 2005-12-05
JP4246380B2 (ja) 2009-04-02
US6047029A (en) 2000-04-04
MY116771A (en) 2004-03-31
EP1048110A1 (en) 2000-11-02
AU746796B2 (en) 2002-05-02
BR9812224A (pt) 2000-07-18
CN1278970A (zh) 2001-01-03
WO1999014859A1 (en) 1999-03-25
KR20010024037A (ko) 2001-03-26
AU9101898A (en) 1999-04-05
JP2001517013A (ja) 2001-10-02

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