FR1212983A - Variable frequency oscillator - Google Patents

Variable frequency oscillator

Info

Publication number
FR1212983A
FR1212983A FR1212983DA FR1212983A FR 1212983 A FR1212983 A FR 1212983A FR 1212983D A FR1212983D A FR 1212983DA FR 1212983 A FR1212983 A FR 1212983A
Authority
FR
France
Prior art keywords
variable frequency
frequency oscillator
oscillator
variable
frequency
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
Other languages
French (fr)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR1212983A publication Critical patent/FR1212983A/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
    • H03L7/185—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
FR1212983D 1957-10-22 1958-10-21 Variable frequency oscillator Expired FR1212983A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3292657A GB839656A (en) 1957-10-22 1957-10-22 Improvements in or relating to variable frequency oscillators

Publications (1)

Publication Number Publication Date
FR1212983A true FR1212983A (en) 1960-03-28

Family

ID=10346049

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1212983D Expired FR1212983A (en) 1957-10-22 1958-10-21 Variable frequency oscillator

Country Status (3)

Country Link
DE (1) DE1065021B (en)
FR (1) FR1212983A (en)
GB (1) GB839656A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1162891B (en) * 1961-03-06 1964-02-13 Deutsche Bundespost Method for the frequency stabilization of a freely oscillating spurious and low distortion high frequency oscillator
FR1473202A (en) * 1966-01-25 1967-03-17 Cit Alcatel Regularly scaled frequency generator in a very wide band

Also Published As

Publication number Publication date
DE1065021B (en) 1959-09-10
GB839656A (en) 1960-06-29

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