DE2653501C3 - Frequenzvergleichsschaltung - Google Patents

Frequenzvergleichsschaltung

Info

Publication number
DE2653501C3
DE2653501C3 DE2653501A DE2653501A DE2653501C3 DE 2653501 C3 DE2653501 C3 DE 2653501C3 DE 2653501 A DE2653501 A DE 2653501A DE 2653501 A DE2653501 A DE 2653501A DE 2653501 C3 DE2653501 C3 DE 2653501C3
Authority
DE
Germany
Prior art keywords
signal
frequency
circuit
counter
equal
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
DE2653501A
Other languages
German (de)
English (en)
Other versions
DE2653501A1 (de
DE2653501B2 (de
Inventor
Pierre Paris Agnus
Henri Asnieres Butin
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
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of DE2653501A1 publication Critical patent/DE2653501A1/de
Publication of DE2653501B2 publication Critical patent/DE2653501B2/de
Application granted granted Critical
Publication of DE2653501C3 publication Critical patent/DE2653501C3/de
Expired 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
    • G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manipulation Of Pulses (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
DE2653501A 1975-11-25 1976-11-25 Frequenzvergleichsschaltung Expired DE2653501C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536003A FR2333247A1 (fr) 1975-11-25 1975-11-25 Circuit de comparaison de frequences et dispositif de selection comportant un tel circuit

Publications (3)

Publication Number Publication Date
DE2653501A1 DE2653501A1 (de) 1977-05-26
DE2653501B2 DE2653501B2 (de) 1980-04-17
DE2653501C3 true DE2653501C3 (de) 1980-12-11

Family

ID=9162861

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2653501A Expired DE2653501C3 (de) 1975-11-25 1976-11-25 Frequenzvergleichsschaltung

Country Status (8)

Country Link
US (1) US4059804A ( )
JP (1) JPS5265483A ( )
DE (1) DE2653501C3 ( )
DK (1) DK154383C ( )
FR (1) FR2333247A1 ( )
GB (1) GB1549678A ( )
NL (1) NL7612966A ( )
SE (1) SE408111B ( )

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4216463A (en) * 1978-08-10 1980-08-05 Motorola, Inc. Programmable digital tone detector
DE3162076D1 (en) * 1981-03-09 1984-03-08 Itt Ind Gmbh Deutsche Digital circuit delivering a binary signal whenever two signals have a predetermined frequency ratio, and its use in colour television receivers
SE526369C2 (sv) * 2003-10-30 2005-08-30 Infineon Technologies Ag Komparator
US11171624B2 (en) * 2018-12-26 2021-11-09 Texas Instruments Incorporated Voltage sensor device based on a tunable bulk acoustic wave (BAW) resonator
RU2726882C1 (ru) * 2019-10-30 2020-07-16 Акционерное общество "Информационные спутниковые системы"им. академика М.Ф.Решетнева" Цифровая схема сравнения частот

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3200340A (en) * 1962-11-29 1965-08-10 Ampex Synchronization monitor
US3626307A (en) * 1969-02-14 1971-12-07 Iwasaki Tsushinki Kaisha A K A Counting system for measuring a difference between frequencies of two signals
US3735324A (en) * 1971-12-02 1973-05-22 Us Navy Digital frequency discriminator
US3956705A (en) * 1974-03-15 1976-05-11 Sun Oil Company Of Pennsylvania Pulse rate comparison circuit

Also Published As

Publication number Publication date
GB1549678A (en) 1979-08-08
DE2653501A1 (de) 1977-05-26
FR2333247A1 (fr) 1977-06-24
SE408111B (sv) 1979-05-14
FR2333247B1 ( ) 1981-04-10
NL7612966A (nl) 1977-05-27
DE2653501B2 (de) 1980-04-17
DK154383C (da) 1989-04-17
JPS5619916B2 ( ) 1981-05-11
SE7613093L (sv) 1977-05-25
DK529476A (da) 1977-05-26
US4059804A (en) 1977-11-22
DK154383B (da) 1988-11-07
JPS5265483A (en) 1977-05-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee