FR2385258A1 - Comparateur, selecteur de frequence, filtre - Google Patents

Comparateur, selecteur de frequence, filtre

Info

Publication number
FR2385258A1
FR2385258A1 FR7708922A FR7708922A FR2385258A1 FR 2385258 A1 FR2385258 A1 FR 2385258A1 FR 7708922 A FR7708922 A FR 7708922A FR 7708922 A FR7708922 A FR 7708922A FR 2385258 A1 FR2385258 A1 FR 2385258A1
Authority
FR
France
Prior art keywords
frequency
passband
filter
short circuit
electronic switch
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.)
Withdrawn
Application number
FR7708922A
Other languages
English (en)
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.)
CORSION BRIGITTE
Original Assignee
CORSION BRIGITTE
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 CORSION BRIGITTE filed Critical CORSION BRIGITTE
Priority to FR7708922A priority Critical patent/FR2385258A1/fr
Publication of FR2385258A1 publication Critical patent/FR2385258A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks

Abstract

Dispositif permettant de comparer la fréquence du signal qui est appliqué à son entrée avec une (ou plusieurs) fréquence de référence et de transmettre ou non ce signal d'entrée vers sa sortie selon le mode de fonctionnement choisi et selon la fréquence du signal d'entrée par rapport à la (ou aux) fréquence de référence. Il comprend un circuit détecteur phase fréquence recevant, le signal d'entrée du dispositif après mise en forme dans un limiteur et, le signal issu d'un oscillateur de référence. Le signal de sortie du detecteur phase fréquence est appliqué à deux comparateurs afin d'élaborer deux ordres logiques qui commandent une bascule JK. L'ordre logique en sortie de la bascule JK vient commander un commutateur électronique qui referme la sortie du dispositif soit sur son entrée soit sur la masse. L'invention peut être utilisée comme filtre, sélecteur de fréquence, comparateur de fréquence par rapport à une autre de référence.
FR7708922A 1977-03-25 1977-03-25 Comparateur, selecteur de frequence, filtre Withdrawn FR2385258A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7708922A FR2385258A1 (fr) 1977-03-25 1977-03-25 Comparateur, selecteur de frequence, filtre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7708922A FR2385258A1 (fr) 1977-03-25 1977-03-25 Comparateur, selecteur de frequence, filtre

Publications (1)

Publication Number Publication Date
FR2385258A1 true FR2385258A1 (fr) 1978-10-20

Family

ID=9188557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7708922A Withdrawn FR2385258A1 (fr) 1977-03-25 1977-03-25 Comparateur, selecteur de frequence, filtre

Country Status (1)

Country Link
FR (1) FR2385258A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051904A2 (fr) * 1980-11-06 1982-05-19 British Gas Corporation Circuit de commande et brûleur de carburant incorporant un circuit de commande

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1422501A (fr) * 1964-01-20 1965-12-24 Hawker Siddeley Dynamics Ltd Perfectionnements apportés aux dispositifs comparateurs de fréquences
US3596192A (en) * 1969-02-13 1971-07-27 North American Rockwell Nonlinear low-pass filter
FR2066450A5 (fr) * 1969-10-24 1971-08-06 Westinghouse Electric Corp
US3755746A (en) * 1972-03-07 1973-08-28 Collins Radio Co Frequency comparison indicating apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1422501A (fr) * 1964-01-20 1965-12-24 Hawker Siddeley Dynamics Ltd Perfectionnements apportés aux dispositifs comparateurs de fréquences
US3596192A (en) * 1969-02-13 1971-07-27 North American Rockwell Nonlinear low-pass filter
FR2066450A5 (fr) * 1969-10-24 1971-08-06 Westinghouse Electric Corp
US3755746A (en) * 1972-03-07 1973-08-28 Collins Radio Co Frequency comparison indicating apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051904A2 (fr) * 1980-11-06 1982-05-19 British Gas Corporation Circuit de commande et brûleur de carburant incorporant un circuit de commande
EP0051904A3 (en) * 1980-11-06 1984-07-11 British Gas Corporation Control circuit and fuel burner incorporating a control circuit

Similar Documents

Publication Publication Date Title
ATE4948T1 (de) Digitale phasenregelschaltung mit einer hilfsschaltung.
GB1264945A (fr)
FR2385258A1 (fr) Comparateur, selecteur de frequence, filtre
US2864953A (en) Microwave pulse circuits
GB923822A (en) Improvements in radar transceivers
FR2430015A1 (fr) Discriminateur de phase
JPS5260515A (en) Intermediate frequency phase compounding device
JPS5755628A (en) Phase comparing circuit and frequency synthesizer using it
GB1518188A (en) Method and device for determining the phase position between signals
ES314882A1 (es) Perfeccionamientos en o relativos a discriminadores de frecuencia para uso de receptores de senales electricas
JPS57141136A (en) Phase synchronous tracking device
SU809647A1 (ru) Частотный манипул тор
JPS57185776A (en) System discriminating device for television signal
SU1751844A2 (ru) Устройство дл сравнени частот импульсных сигналов
SU1206969A2 (ru) Устройство дл передачи частотно-манипулированных сигналов
JPS5468199A (en) Ultra-sonic invasion detector
JPS57131153A (en) Delay detector
RU1269721C (ru) Устройство дл определени совместимости частот приемника и передатчиков
SU604177A1 (ru) Частотный манипул тор
JPS55147838A (en) Phase synchronization detecting circuit
JPS5571392A (en) Digital multi-frequency signal receiver
JPS5515067A (en) Phase angle detection unit
JPS57140044A (en) Digital mobile communication system
JPS56114416A (en) Equalizer with variable amplitude and frequency characteristics
JPS56764A (en) Fsk modulation system

Legal Events

Date Code Title Description
ST Notification of lapse