GB839422A - Method of frequency control of an oscillator by frequency analysis by means of a variable frequency divider - Google Patents

Method of frequency control of an oscillator by frequency analysis by means of a variable frequency divider

Info

Publication number
GB839422A
GB839422A GB3082458A GB3082458A GB839422A GB 839422 A GB839422 A GB 839422A GB 3082458 A GB3082458 A GB 3082458A GB 3082458 A GB3082458 A GB 3082458A GB 839422 A GB839422 A GB 839422A
Authority
GB
United Kingdom
Prior art keywords
frequency
oscillator
analysis
variable
divider
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
GB3082458A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB839422A publication Critical patent/GB839422A/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
    • H03L7/16—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
GB3082458A 1957-09-27 1958-09-26 Method of frequency control of an oscillator by frequency analysis by means of a variable frequency divider Expired GB839422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE74213X 1957-09-27

Publications (1)

Publication Number Publication Date
GB839422A true GB839422A (en) 1960-06-29

Family

ID=31983701

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3082458A Expired GB839422A (en) 1957-09-27 1958-09-26 Method of frequency control of an oscillator by frequency analysis by means of a variable frequency divider

Country Status (1)

Country Link
GB (1) GB839422A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3163823A (en) * 1963-12-04 1964-12-29 Electronic Eng Co Digital receiver tuning system
US3231829A (en) * 1963-04-23 1966-01-25 Northern Electric Co Sync lock phase control
US3259851A (en) * 1961-11-01 1966-07-05 Avco Corp Digital system for stabilizing the operation of a variable frequency oscillator
US3260959A (en) * 1963-12-30 1966-07-12 Collins Radio Co Tunable phase shift resonant circuit stabilized crystal oscillator
DE1299050B (en) * 1962-11-30 1969-07-10 Philips Nv Multi-channel generator
US4500851A (en) * 1981-12-23 1985-02-19 Tokyo Shibaura Denki Kabushiki Kaisha Plural phase lock loop signal regeneration circuit
EP0172560A2 (en) * 1984-08-22 1986-02-26 Advantest Corporation Variable frequency synthesizer

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259851A (en) * 1961-11-01 1966-07-05 Avco Corp Digital system for stabilizing the operation of a variable frequency oscillator
DE1299050B (en) * 1962-11-30 1969-07-10 Philips Nv Multi-channel generator
US3231829A (en) * 1963-04-23 1966-01-25 Northern Electric Co Sync lock phase control
US3163823A (en) * 1963-12-04 1964-12-29 Electronic Eng Co Digital receiver tuning system
US3260959A (en) * 1963-12-30 1966-07-12 Collins Radio Co Tunable phase shift resonant circuit stabilized crystal oscillator
US4500851A (en) * 1981-12-23 1985-02-19 Tokyo Shibaura Denki Kabushiki Kaisha Plural phase lock loop signal regeneration circuit
EP0172560A2 (en) * 1984-08-22 1986-02-26 Advantest Corporation Variable frequency synthesizer
US4602220A (en) * 1984-08-22 1986-07-22 Advantest Corp. Variable frequency synthesizer with reduced phase noise
EP0172560A3 (en) * 1984-08-22 1988-01-07 Takeda Riken Co., Ltd. Variable frequency synthesizer

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