GB8101272D0 - Process and device for obtaining an electrical signal of linearly variable frequency throughout a wide range - Google Patents

Process and device for obtaining an electrical signal of linearly variable frequency throughout a wide range

Info

Publication number
GB8101272D0
GB8101272D0 GBGB8101272.6A GB8101272A GB8101272D0 GB 8101272 D0 GB8101272 D0 GB 8101272D0 GB 8101272 A GB8101272 A GB 8101272A GB 8101272 D0 GB8101272 D0 GB 8101272D0
Authority
GB
United Kingdom
Prior art keywords
obtaining
electrical signal
wide range
variable frequency
linearly variable
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.)
Ceased
Application number
GBGB8101272.6A
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.)
Thales SA
Original Assignee
Dassault Electronique SA
Electronique Marcal Dassault SA
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 Dassault Electronique SA, Electronique Marcal Dassault SA filed Critical Dassault Electronique SA
Publication of GB8101272D0 publication Critical patent/GB8101272D0/en
Ceased 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
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics
    • 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
GBGB8101272.6A 1980-01-17 1981-01-16 Process and device for obtaining an electrical signal of linearly variable frequency throughout a wide range Ceased GB8101272D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8000955A FR2738420A1 (en) 1980-01-17 1980-01-17 Linearly variable frequency signal generator

Publications (1)

Publication Number Publication Date
GB8101272D0 true GB8101272D0 (en) 2009-04-15

Family

ID=9237604

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB8101272.6A Ceased GB8101272D0 (en) 1980-01-17 1981-01-16 Process and device for obtaining an electrical signal of linearly variable frequency throughout a wide range

Country Status (3)

Country Link
FR (1) FR2738420A1 (en)
GB (1) GB8101272D0 (en)
IT (1) IT8119144A0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4164301B2 (en) 2002-07-16 2008-10-15 株式会社日立製作所 Multi-frequency PLL oscillator and multi-frequency CW radar using the same

Also Published As

Publication number Publication date
IT8119144A0 (en) 1981-01-15
FR2738420A1 (en) 1997-03-07

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)