IT1065846B - Oscillatore ad aggancio di fase - Google Patents

Oscillatore ad aggancio di fase

Info

Publication number
IT1065846B
IT1065846B IT31061/76A IT3106176A IT1065846B IT 1065846 B IT1065846 B IT 1065846B IT 31061/76 A IT31061/76 A IT 31061/76A IT 3106176 A IT3106176 A IT 3106176A IT 1065846 B IT1065846 B IT 1065846B
Authority
IT
Italy
Prior art keywords
oscillator
phase hook
hook
phase
hook oscillator
Prior art date
Application number
IT31061/76A
Other languages
English (en)
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of IT1065846B publication Critical patent/IT1065846B/it

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
    • H03L7/18—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
    • H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/191—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 fixed numbers or the frequency divider dividing by a fixed number using at least two different signals from the frequency divider or the counter for determining the time difference
    • 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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
    • H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
    • 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
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it
IT31061/76A 1976-01-26 1976-12-31 Oscillatore ad aggancio di fase IT1065846B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/652,369 US4017806A (en) 1976-01-26 1976-01-26 Phase locked oscillator

Publications (1)

Publication Number Publication Date
IT1065846B true IT1065846B (it) 1985-03-04

Family

ID=24616578

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31061/76A IT1065846B (it) 1976-01-26 1976-12-31 Oscillatore ad aggancio di fase

Country Status (7)

Country Link
US (1) US4017806A (it)
JP (1) JPS5291634A (it)
CA (1) CA1060960A (it)
DE (1) DE2702047C3 (it)
FR (1) FR2339289A1 (it)
GB (1) GB1565244A (it)
IT (1) IT1065846B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2748075C3 (de) * 1977-10-26 1980-08-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Phasenregelkreis
US4244043A (en) * 1978-03-31 1981-01-06 Citizen Watch Co., Ltd. Frequency division system
DE3006340C2 (de) * 1979-02-21 1986-09-18 Sharp K.K., Osaka Abtastzeitsteuerungsschaltung für ein Kassettenmagnetband-Datenwiedergabegerät
BR8004455A (pt) * 1979-07-19 1981-01-27 Exxon Research Engineering Co Circuito separador de dados e circuito para emprego na recuperacao de um sinal de relogio de um sinal codificado de dados dos
JPS5935218B2 (ja) * 1979-12-29 1984-08-27 クラリオン株式会社 Ｐｌｌ回路
US4424497A (en) 1981-04-30 1984-01-03 Monolithic Systems Corporation System for phase locking clock signals to a frequency encoded data stream
JPS5850827A (ja) * 1981-09-08 1983-03-25 Fujitsu Ltd フェーズ・ロック・ループ回路
US4549148A (en) * 1983-12-16 1985-10-22 International Standard Electric Corporation Pulse corrector for phase comparator inputs
US4527276A (en) * 1984-01-16 1985-07-02 The United States Of America As Represented By The Secretary Of The Army Digital pulse position modulation communications system with threshold extension
IT1197969B (it) * 1986-11-12 1988-12-21 Honeywell Inf Systems Circuito ad aggancio di fase
US4750193A (en) * 1987-04-20 1988-06-07 International Business Machines Corporation Phase-locked data detector
US4818950A (en) * 1987-04-24 1989-04-04 Ncr Corporation Low jitter phase-locked loop
US5124669A (en) * 1990-09-18 1992-06-23 Silicon Systems, Inc. One-shot circuit for use in a PLL clock recovery circuit
US5302916A (en) * 1992-12-21 1994-04-12 At&T Bell Laboratories Wide range digital frequency detector
US5512860A (en) * 1994-12-02 1996-04-30 Pmc-Sierra, Inc. Clock recovery phase locked loop control using clock difference detection and forced low frequency startup
JP3024614B2 (ja) * 1997-10-24 2000-03-21 日本電気株式会社 ばらつき補償技術による半導体集積回路
FR2868891B1 (fr) * 2004-04-08 2006-07-07 Eads Telecom Soc Par Actions S Boucle a asservissement de phase a demi-pas

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731220A (en) * 1972-05-30 1973-05-01 Honeywell Inf Systems Phase locked oscillator for use with variable speed data source
US3898574A (en) * 1974-01-02 1975-08-05 Honeywell Inf Systems Information detection apparatus having a digital tracking oscillator
GB1456453A (en) * 1974-01-31 1976-11-24 Ibm Phase locked oscillators

Also Published As

Publication number Publication date
DE2702047B2 (de) 1979-09-06
FR2339289A1 (fr) 1977-08-19
DE2702047A1 (de) 1977-08-04
JPS5291634A (en) 1977-08-02
DE2702047C3 (de) 1980-07-03
FR2339289B1 (it) 1982-02-12
GB1565244A (en) 1980-04-16
US4017806A (en) 1977-04-12
CA1060960A (en) 1979-08-21

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