ATE533232T1 - Phasenregelsystem für einen spannungsgeregelten oszillator - Google Patents

Phasenregelsystem für einen spannungsgeregelten oszillator

Info

Publication number
ATE533232T1
ATE533232T1 AT08849850T AT08849850T ATE533232T1 AT E533232 T1 ATE533232 T1 AT E533232T1 AT 08849850 T AT08849850 T AT 08849850T AT 08849850 T AT08849850 T AT 08849850T AT E533232 T1 ATE533232 T1 AT E533232T1
Authority
AT
Austria
Prior art keywords
frequency
controlled oscillator
frequency deviation
voltage controlled
control system
Prior art date
Application number
AT08849850T
Other languages
English (en)
Inventor
Zhiqun Hu
David Christopher Danielsons
Original Assignee
Harris Corp
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 Harris Corp filed Critical Harris Corp
Application granted granted Critical
Publication of ATE533232T1 publication Critical patent/ATE533232T1/de

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
    • H03L7/181—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 numerical count result being used for locking the loop, the counter counting during fixed time intervals
    • 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
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
    • 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
    • H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
    • 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
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT08849850T 2007-11-13 2008-11-11 Phasenregelsystem für einen spannungsgeregelten oszillator ATE533232T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/985,005 US7538620B1 (en) 2007-11-13 2007-11-13 Phase lock control system for a voltage controlled oscillator
PCT/US2008/083122 WO2009064723A1 (en) 2007-11-13 2008-11-11 A phase lock control system for a voltage controlled oscillator

Publications (1)

Publication Number Publication Date
ATE533232T1 true ATE533232T1 (de) 2011-11-15

Family

ID=40262159

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08849850T ATE533232T1 (de) 2007-11-13 2008-11-11 Phasenregelsystem für einen spannungsgeregelten oszillator

Country Status (4)

Country Link
US (1) US7538620B1 (de)
EP (1) EP2210343B1 (de)
AT (1) ATE533232T1 (de)
WO (1) WO2009064723A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010125388A1 (en) * 2009-04-29 2010-11-04 St-Ericsson Sa Temperature compensation in a telecommunications device
TWI416876B (zh) * 2009-07-22 2013-11-21 Realtek Semiconductor Corp 頻率相位調整裝置及其相關方法
CN101789601B (zh) * 2010-03-16 2012-07-18 许昌开普电器检测研究院 Rtds锁相同步元件
CN102904568B (zh) * 2012-09-26 2015-02-18 西安奥特迅电力电子技术有限公司 一种自适应并网变流器单相软锁相环
CN103592500B (zh) * 2013-11-22 2016-04-20 重庆大学 一种基于参考频率电网同步信号实时检测方法及系统
CN103986458B (zh) * 2014-04-16 2017-03-08 国家电网公司 一种基于重复控制的微电网单相并网锁相环控制方法
CN109245103B (zh) * 2018-07-05 2022-02-18 南京理工大学 基于改进滑动平均值滤波器的软件锁相环实现方法及装置
WO2020038542A1 (en) * 2018-08-20 2020-02-27 Renesas Electronics Corporation Oscillator frequency adjustment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541105A (en) * 1984-03-23 1985-09-10 Sundstrand Data Control, Inc. Counting apparatus and method for frequency sampling
FR2635623B1 (fr) * 1988-08-19 1990-11-09 Philips Nv Dispositif de synchronisation sur des paquets de donnees numeriques et lecteur le comprenant
ES2048681B1 (es) 1992-10-30 1995-01-01 Alcatel Standard Electrica Sintetizador digital de frecuencias.
JPH09182100A (ja) * 1995-12-21 1997-07-11 Fujitsu Ltd Ｐｌｌ回路
US5861842A (en) * 1997-08-29 1999-01-19 Space Systems/Loral, Inc. Spacecraft disciplined reference oscillator
US7409028B2 (en) * 2000-12-22 2008-08-05 Ericsson Inc. Clock synchronization in a communications environment
NZ524537A (en) 2003-03-04 2005-08-26 Tait Electronics Ltd Improvements relating to frequency and/or phase lock loops

Also Published As

Publication number Publication date
WO2009064723A1 (en) 2009-05-22
EP2210343A1 (de) 2010-07-28
US7538620B1 (en) 2009-05-26
EP2210343B1 (de) 2011-11-09
US20090121794A1 (en) 2009-05-14

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