GB1293584A - Apparatus for providing electrical pulses of adjustable frequency - Google Patents

Apparatus for providing electrical pulses of adjustable frequency

Info

Publication number
GB1293584A
GB1293584A GB5388269A GB5388269A GB1293584A GB 1293584 A GB1293584 A GB 1293584A GB 5388269 A GB5388269 A GB 5388269A GB 5388269 A GB5388269 A GB 5388269A GB 1293584 A GB1293584 A GB 1293584A
Authority
GB
United Kingdom
Prior art keywords
frequency
counter
difference
divider
output
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
GB5388269A
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of GB1293584A publication Critical patent/GB1293584A/en
Expired 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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
    • H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider
    • 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
    • H03B21/025—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 by repeated mixing in combination with division of frequency only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Control Of Eletrric Generators (AREA)
  • Closures For Containers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Control Of Temperature (AREA)
  • Feedback Control In General (AREA)
GB5388269A 1968-11-02 1969-11-03 Apparatus for providing electrical pulses of adjustable frequency Expired GB1293584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681806765 DE1806765C3 (de) 1968-11-02 1968-11-02 Anordnung zur Bildung von Aus gangsimpulsen mit einstellbarer Frequenz

Publications (1)

Publication Number Publication Date
GB1293584A true GB1293584A (en) 1972-10-18

Family

ID=5712264

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5388269A Expired GB1293584A (en) 1968-11-02 1969-11-03 Apparatus for providing electrical pulses of adjustable frequency

Country Status (10)

Country Link
BE (1) BE740962A (enEXAMPLES)
CH (1) CH516261A (enEXAMPLES)
DE (1) DE1806765C3 (enEXAMPLES)
DK (1) DK124227B (enEXAMPLES)
ES (1) ES373057A1 (enEXAMPLES)
FR (1) FR2022454B1 (enEXAMPLES)
GB (1) GB1293584A (enEXAMPLES)
NL (1) NL6913694A (enEXAMPLES)
NO (1) NO127128B (enEXAMPLES)
SE (1) SE352995B (enEXAMPLES)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142149A (en) * 1983-06-25 1985-01-09 Northern Eng Ind Monitoring apparatus using phase locked loop

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1426820A (en) * 1972-04-05 1976-03-03 Hitachi Electronics Digital control system
DE3335353C2 (de) * 1983-09-29 1986-12-04 Siemens AG, 1000 Berlin und 8000 München Regeleinrichtung mit einem Dreipunktschrittregler
DE3633939A1 (de) * 1986-10-04 1988-04-14 Heraeus Gmbh W C Uebertragung von signalen aus einer sensoreinheit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142149A (en) * 1983-06-25 1985-01-09 Northern Eng Ind Monitoring apparatus using phase locked loop

Also Published As

Publication number Publication date
ES373057A1 (es) 1971-11-16
BE740962A (enEXAMPLES) 1970-04-01
FR2022454A1 (enEXAMPLES) 1970-07-31
SE352995B (enEXAMPLES) 1973-01-15
CH516261A (de) 1971-11-30
DE1806765C3 (de) 1973-10-11
NO127128B (enEXAMPLES) 1973-05-07
NL6913694A (enEXAMPLES) 1970-05-06
FR2022454B1 (enEXAMPLES) 1973-03-16
DK124227B (da) 1972-09-25
DE1806765B2 (de) 1973-03-22
DE1806765A1 (de) 1970-08-13

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees