ATE317180T1 - Oszillatorfrequenzsteuerung - Google Patents

Oszillatorfrequenzsteuerung

Info

Publication number
ATE317180T1
ATE317180T1 AT02025986T AT02025986T ATE317180T1 AT E317180 T1 ATE317180 T1 AT E317180T1 AT 02025986 T AT02025986 T AT 02025986T AT 02025986 T AT02025986 T AT 02025986T AT E317180 T1 ATE317180 T1 AT E317180T1
Authority
AT
Austria
Prior art keywords
frequency
value
control value
new
rate
Prior art date
Application number
AT02025986T
Other languages
English (en)
Inventor
Bo Lindell
Robert Kristiansson
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 filed Critical
Application granted granted Critical
Publication of ATE317180T1 publication Critical patent/ATE317180T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/026—Means preventing a wrong working of the automatic frequency correction in case of fading or bad signal/noise ratio
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • 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
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
    • H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail by using digital means for generating the oscillator control signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Telephone Function (AREA)
AT02025986T 2002-11-21 2002-11-21 Oszillatorfrequenzsteuerung ATE317180T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02025986A EP1422825B1 (de) 2002-11-21 2002-11-21 Oszillatorfrequenzsteuerung

Publications (1)

Publication Number Publication Date
ATE317180T1 true ATE317180T1 (de) 2006-02-15

Family

ID=32187180

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02025986T ATE317180T1 (de) 2002-11-21 2002-11-21 Oszillatorfrequenzsteuerung

Country Status (4)

Country Link
EP (1) EP1422825B1 (de)
CN (1) CN1711694B (de)
AT (1) ATE317180T1 (de)
DE (1) DE60208964T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0412260D0 (en) * 2004-06-02 2004-07-07 Ubisense Ltd Tag frequency control
JP4356946B2 (ja) * 2006-03-31 2009-11-04 日本電波工業株式会社 Ｐｌｌ装置
JP4356947B2 (ja) * 2006-03-31 2009-11-04 日本電波工業株式会社 Ｐｌｌ装置
US8687748B2 (en) * 2007-11-28 2014-04-01 Mediatek Inc. Radio frequency control for communication systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980899A (en) * 1988-06-21 1990-12-25 Siemens Ag Method and apparatus for synchronization of a clock signal generator particularly useful in a digital telecommunications exchange
FI93285C (fi) * 1993-03-08 1995-03-10 Nokia Telecommunications Oy Menetelmä kellosignaalin muodostamiseksi vaihelukitun silmukan avulla ja vaihelukittu silmukka
JP2919335B2 (ja) * 1996-02-06 1999-07-12 埼玉日本電気株式会社 Ａｆｃ型発振回路

Also Published As

Publication number Publication date
CN1711694A (zh) 2005-12-21
EP1422825A1 (de) 2004-05-26
CN1711694B (zh) 2010-06-09
DE60208964D1 (de) 2006-04-13
DE60208964T2 (de) 2006-10-26
EP1422825B1 (de) 2006-02-01

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Legal Events

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