IT1223524B - Circuito ad aggancio di fase autotarante - Google Patents

Circuito ad aggancio di fase autotarante

Info

Publication number
IT1223524B
IT1223524B IT23078/87A IT2307887A IT1223524B IT 1223524 B IT1223524 B IT 1223524B IT 23078/87 A IT23078/87 A IT 23078/87A IT 2307887 A IT2307887 A IT 2307887A IT 1223524 B IT1223524 B IT 1223524B
Authority
IT
Italy
Prior art keywords
self
hook circuit
phase hook
calibrating phase
calibrating
Prior art date
Application number
IT23078/87A
Other languages
English (en)
Other versions
IT8723078A0 (it
Inventor
Paolo Vitiello
Luca Bergamo
Original Assignee
Honeywell Bull Spa
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 Honeywell Bull Spa filed Critical Honeywell Bull Spa
Priority to IT23078/87A priority Critical patent/IT1223524B/it
Publication of IT8723078A0 publication Critical patent/IT8723078A0/it
Priority to US07/248,004 priority patent/US4918404A/en
Priority to EP88120320A priority patent/EP0320748B1/en
Priority to DE8888120320T priority patent/DE3878539T2/de
Application granted granted Critical
Publication of IT1223524B publication Critical patent/IT1223524B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals
IT23078/87A 1987-12-18 1987-12-18 Circuito ad aggancio di fase autotarante IT1223524B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT23078/87A IT1223524B (it) 1987-12-18 1987-12-18 Circuito ad aggancio di fase autotarante
US07/248,004 US4918404A (en) 1987-12-18 1988-09-22 Phase locked loop with self-adjusting circuit for oscillator working point
EP88120320A EP0320748B1 (en) 1987-12-18 1988-12-06 Self adjusting phase lock circuit
DE8888120320T DE3878539T2 (de) 1987-12-18 1988-12-06 Selbstregelnde phasenregelschaltung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23078/87A IT1223524B (it) 1987-12-18 1987-12-18 Circuito ad aggancio di fase autotarante

Publications (2)

Publication Number Publication Date
IT8723078A0 IT8723078A0 (it) 1987-12-18
IT1223524B true IT1223524B (it) 1990-09-19

Family

ID=11203541

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23078/87A IT1223524B (it) 1987-12-18 1987-12-18 Circuito ad aggancio di fase autotarante

Country Status (4)

Country Link
US (1) US4918404A (it)
EP (1) EP0320748B1 (it)
DE (1) DE3878539T2 (it)
IT (1) IT1223524B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5029237A (en) * 1988-06-30 1991-07-02 At&E Corporation Radio receiver frequency control system
NL8802868A (nl) * 1988-11-21 1990-06-18 Stichting Tech Wetenschapp Fasevergrendelde lus met lusversterking - en nulpuntscompensatie.
US5214310A (en) * 1990-11-29 1993-05-25 Emerson Electric Co. Timing mechanism with a PTC thermistor
US5260979A (en) * 1991-05-28 1993-11-09 Codex Corp. Circuit and method of switching between redundant clocks for a phase lock loop
US5604466A (en) * 1992-12-08 1997-02-18 International Business Machines Corporation On-chip voltage controlled oscillator
JPH06197014A (ja) * 1992-12-25 1994-07-15 Mitsubishi Electric Corp 位相同期回路
FI97003C (fi) * 1993-09-27 1996-09-25 Nokia Telecommunications Oy Menetelmä vaihelukitun silmukan ohjaamiseksi sekä vaihelukittu silmukka
US5642069A (en) * 1994-04-26 1997-06-24 Unisys Corporation Clock signal loss detection and recovery apparatus in multiple clock signal system
US5477198A (en) * 1994-06-23 1995-12-19 At&T Global Information Solutions Company Extendible-range voltage controlled oscillator
US5559473A (en) * 1994-06-23 1996-09-24 At&T Global Information Solutions Company Multi-range voltage controlled oscillator
US5748050A (en) 1996-03-29 1998-05-05 Symbios Logic Inc. Linearization method and apparatus for voltage controlled oscillator
JPH10257041A (ja) * 1997-03-11 1998-09-25 Sony Corp フェイズロックドループ回路及び再生装置
JP3327271B2 (ja) * 1999-11-15 2002-09-24 日本電気株式会社 Ｐｌｌ回路及びデータ読み出し回路
DE10255863B4 (de) * 2002-11-29 2008-07-31 Infineon Technologies Ag Phasenregelschleife
US20070260771A1 (en) * 2006-04-10 2007-11-08 Cheng-Hao Lee Method of Reducing Clock Differential in a Data Processing System
US20110033174A1 (en) * 2009-08-06 2011-02-10 Grenergy Opto, Inc. Control circuit for a variable frequency dc motor
US8248167B2 (en) * 2010-06-28 2012-08-21 Mstar Semiconductor, Inc. VCO frequency temperature compensation system for PLLs

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5260052A (en) * 1975-11-12 1977-05-18 Fujitsu Ltd Phase control circuit featuring self-run frequency setting medium
US4246545A (en) * 1979-02-02 1981-01-20 Burroughs Corporation Data signal responsive phase locked loop using averaging and initializing techniques
US4365211A (en) * 1980-10-31 1982-12-21 Westinghouse Electric Corp. Phase-locked loop with initialization loop
JPS59190725A (ja) * 1983-04-13 1984-10-29 Nec Corp 位相同期回路
CA1247202A (en) * 1984-06-11 1988-12-20 John M. Yarborough Phase detector and pll-circuit comprising such phase detector
US4703520A (en) * 1986-10-31 1987-10-27 Motorola, Inc. Radio transceiver having an adaptive reference oscillator
IT1197969B (it) * 1986-11-12 1988-12-21 Honeywell Inf Systems Circuito ad aggancio di fase

Also Published As

Publication number Publication date
DE3878539D1 (de) 1993-03-25
DE3878539T2 (de) 1993-08-19
IT8723078A0 (it) 1987-12-18
US4918404A (en) 1990-04-17
EP0320748A2 (en) 1989-06-21
EP0320748A3 (en) 1989-09-13
EP0320748B1 (en) 1993-02-17

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931231