DE1298557B - Schaltungsanordnung fuer einen veraenderlichen elektronischen Frequenzteiler - Google Patents

Schaltungsanordnung fuer einen veraenderlichen elektronischen Frequenzteiler

Info

Publication number
DE1298557B
DE1298557B DE1966P0040182 DEP0040182A DE1298557B DE 1298557 B DE1298557 B DE 1298557B DE 1966P0040182 DE1966P0040182 DE 1966P0040182 DE P0040182 A DEP0040182 A DE P0040182A DE 1298557 B DE1298557 B DE 1298557B
Authority
DE
Germany
Prior art keywords
pulses
counting
input
frequency
circuit arrangement
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.)
Pending
Application number
DE1966P0040182
Other languages
German (de)
English (en)
Inventor
Young Richard David
Martin David John
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.)
GE Healthcare UK Ltd
Original Assignee
GE Healthcare UK 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 GE Healthcare UK Ltd filed Critical GE Healthcare UK Ltd
Publication of DE1298557B publication Critical patent/DE1298557B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/662—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by adding or suppressing pulses
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
    • 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
    • H03L7/197—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Manipulation Of Pulses (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Complex Calculations (AREA)
DE1966P0040182 1965-08-13 1966-08-12 Schaltungsanordnung fuer einen veraenderlichen elektronischen Frequenzteiler Pending DE1298557B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3477465A GB1151505A (en) 1965-08-13 1965-08-13 Improvements relating to Variable Ratio Frequency Divider Circuit Arrangements

Publications (1)

Publication Number Publication Date
DE1298557B true DE1298557B (de) 1969-07-03

Family

ID=10369785

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1966P0040182 Pending DE1298557B (de) 1965-08-13 1966-08-12 Schaltungsanordnung fuer einen veraenderlichen elektronischen Frequenzteiler

Country Status (5)

Country Link
DE (1) DE1298557B (enExample)
DK (1) DK117576C (enExample)
GB (1) GB1151505A (enExample)
NL (1) NL6610964A (enExample)
NO (1) NO120431B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002811A1 (de) * 1977-12-27 1979-07-11 Somartec SA Vorrichtung zur Interferenzstromtherapie
DE2900612A1 (de) * 1979-01-09 1980-07-10 Rodler Ing Hans Geraet zur interferenzstromtherapie

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1260563A (en) * 1985-09-03 1989-09-26 Nec Corporation Frequency synthesizer of a phase-locked type with a sampling circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119914B (de) * 1960-04-12 1961-12-21 Licentia Gmbh Schaltungsanordnung zur Frequenzuntersetzung einer Impulsfolge
DE1167074B (de) * 1960-10-11 1964-04-02 Licentia Gmbh Dekadischer Zaehler mit Voreinstellung bzw. Vorwahl
DE1173527B (de) * 1962-06-15 1964-07-09 Siemens Ag Impulsuntersetzer fuer gebrochene Teilerverhaeltnisse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119914B (de) * 1960-04-12 1961-12-21 Licentia Gmbh Schaltungsanordnung zur Frequenzuntersetzung einer Impulsfolge
DE1167074B (de) * 1960-10-11 1964-04-02 Licentia Gmbh Dekadischer Zaehler mit Voreinstellung bzw. Vorwahl
DE1173527B (de) * 1962-06-15 1964-07-09 Siemens Ag Impulsuntersetzer fuer gebrochene Teilerverhaeltnisse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002811A1 (de) * 1977-12-27 1979-07-11 Somartec SA Vorrichtung zur Interferenzstromtherapie
DE2900612A1 (de) * 1979-01-09 1980-07-10 Rodler Ing Hans Geraet zur interferenzstromtherapie
EP0014316A1 (de) * 1979-01-09 1980-08-20 Hans Rodler Gerät zur Interferenzstromtherapie

Also Published As

Publication number Publication date
NL6610964A (enExample) 1967-02-14
GB1151505A (en) 1969-05-07
NO120431B (enExample) 1970-10-19
DK117576B (enExample) 1970-05-11
DK117576C (da) 1970-10-05

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