DE2420638A1 - Schaltungsanordnung zur erzeugung eines summen- und/oder differenzsignals - Google Patents

Schaltungsanordnung zur erzeugung eines summen- und/oder differenzsignals

Info

Publication number
DE2420638A1
DE2420638A1 DE2420638A DE2420638A DE2420638A1 DE 2420638 A1 DE2420638 A1 DE 2420638A1 DE 2420638 A DE2420638 A DE 2420638A DE 2420638 A DE2420638 A DE 2420638A DE 2420638 A1 DE2420638 A1 DE 2420638A1
Authority
DE
Germany
Prior art keywords
signal
counter
signals
counting
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.)
Ceased
Application number
DE2420638A
Other languages
German (de)
English (en)
Inventor
Martin Dipl Ing Klinck
Udo Ing Grad Mersiowsky
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to DE2420638A priority Critical patent/DE2420638A1/de
Priority to US05/565,937 priority patent/US3982109A/en
Priority to JP50049236A priority patent/JPS5214580B2/ja
Priority to GB1703075A priority patent/GB1464685A/en
Priority to FR7512816A priority patent/FR2269240B1/fr
Publication of DE2420638A1 publication Critical patent/DE2420638A1/de
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

Landscapes

  • Manipulation Of Pulses (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE2420638A 1974-04-27 1974-04-27 Schaltungsanordnung zur erzeugung eines summen- und/oder differenzsignals Ceased DE2420638A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE2420638A DE2420638A1 (de) 1974-04-27 1974-04-27 Schaltungsanordnung zur erzeugung eines summen- und/oder differenzsignals
US05/565,937 US3982109A (en) 1974-04-27 1975-04-07 Circuit arrangement for the formation of a sum and/or difference signal
JP50049236A JPS5214580B2 (enExample) 1974-04-27 1975-04-24
GB1703075A GB1464685A (en) 1974-04-27 1975-04-24 Circuit arrangement for forming a sum and/or difference signal
FR7512816A FR2269240B1 (enExample) 1974-04-27 1975-04-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2420638A DE2420638A1 (de) 1974-04-27 1974-04-27 Schaltungsanordnung zur erzeugung eines summen- und/oder differenzsignals

Publications (1)

Publication Number Publication Date
DE2420638A1 true DE2420638A1 (de) 1976-03-18

Family

ID=5914216

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2420638A Ceased DE2420638A1 (de) 1974-04-27 1974-04-27 Schaltungsanordnung zur erzeugung eines summen- und/oder differenzsignals

Country Status (5)

Country Link
US (1) US3982109A (enExample)
JP (1) JPS5214580B2 (enExample)
DE (1) DE2420638A1 (enExample)
FR (1) FR2269240B1 (enExample)
GB (1) GB1464685A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4143650A (en) * 1976-10-06 1979-03-13 Hoffmann-La Roche Inc. Directional doppler ultrasound systems for biosignal acquisition and method of using the same
US4115860A (en) * 1977-06-02 1978-09-19 Lockheed Electronics Co., Inc. Plural load power controller with time-shared processor
DE4126915A1 (de) * 1991-08-14 1993-02-18 Siemens Ag Integrierter frequenzsynthesizer-schaltkreis fuer sende-und empfangsbetrieb
FR2936606B1 (fr) * 2008-10-01 2010-09-10 Schneider Electric Ind Sas Dispositif et procede de mesure de frequence dans un module automate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448389A (en) * 1965-10-04 1969-06-03 Hitachi Ltd Differential frequency rate system for providing a pulse train output corresponding to the frequency difference between two input pulse trains
NL6704376A (enExample) * 1967-03-25 1968-09-26
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
US3657657A (en) * 1970-08-03 1972-04-18 William T Jefferson Digital sine wave generator
US3644721A (en) * 1970-11-09 1972-02-22 Gen Motors Corp Apparatus and method for digital frequency addition and subtraction
FR2122377B1 (enExample) * 1971-01-22 1976-05-28 Labo Electro Autom Dauph
BE792458A (fr) * 1971-12-10 1973-03-30 Telettra Lab Telefon Systeme et dispositif d'un detecteur phase-frequence entre signaux electriques

Also Published As

Publication number Publication date
JPS50150349A (enExample) 1975-12-02
JPS5214580B2 (enExample) 1977-04-22
GB1464685A (en) 1977-02-16
US3982109A (en) 1976-09-21
FR2269240B1 (enExample) 1979-03-23
FR2269240A1 (enExample) 1975-11-21

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Legal Events

Date Code Title Description
OD Request for examination
8131 Rejection