GB1145319A - Improvements in or relating to oscillator control systems - Google Patents

Improvements in or relating to oscillator control systems

Info

Publication number
GB1145319A
GB1145319A GB2033967A GB2033967A GB1145319A GB 1145319 A GB1145319 A GB 1145319A GB 2033967 A GB2033967 A GB 2033967A GB 2033967 A GB2033967 A GB 2033967A GB 1145319 A GB1145319 A GB 1145319A
Authority
GB
United Kingdom
Prior art keywords
frequency
oscillator
divider
control
input
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.)
Expired
Application number
GB2033967A
Other languages
English (en)
Inventor
Thomas Theodore Brown
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB2033967A priority Critical patent/GB1145319A/en
Priority to SE551968A priority patent/SE337406B/xx
Priority to FR1562584D priority patent/FR1562584A/fr
Publication of GB1145319A publication Critical patent/GB1145319A/en
Expired 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
    • H03L7/16—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
    • 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
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB2033967A 1967-05-02 1967-05-02 Improvements in or relating to oscillator control systems Expired GB1145319A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2033967A GB1145319A (en) 1967-05-02 1967-05-02 Improvements in or relating to oscillator control systems
SE551968A SE337406B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-05-02 1968-04-24
FR1562584D FR1562584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-05-02 1968-05-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2033967A GB1145319A (en) 1967-05-02 1967-05-02 Improvements in or relating to oscillator control systems

Publications (1)

Publication Number Publication Date
GB1145319A true GB1145319A (en) 1969-03-12

Family

ID=10144324

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2033967A Expired GB1145319A (en) 1967-05-02 1967-05-02 Improvements in or relating to oscillator control systems

Country Status (3)

Country Link
FR (1) FR1562584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1145319A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE337406B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175580B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-03-14 1977-03-18 Thomson Csf

Also Published As

Publication number Publication date
FR1562584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-04-04
SE337406B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-08-09

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