IT8622305A1 - Circuito ad aggancio di fase - Google Patents
Circuito ad aggancio di faseInfo
- Publication number
- IT8622305A1 IT8622305A1 IT1986A22305A IT2230586A IT8622305A1 IT 8622305 A1 IT8622305 A1 IT 8622305A1 IT 1986A22305 A IT1986A22305 A IT 1986A22305A IT 2230586 A IT2230586 A IT 2230586A IT 8622305 A1 IT8622305 A1 IT 8622305A1
- Authority
- IT
- Italy
- Prior art keywords
- circuit
- phase
- phase hooking
- hooking circuit
- hooking
- Prior art date
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
- H03L7/085—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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22305/86A IT1197969B (it) | 1986-11-12 | 1986-11-12 | Circuito ad aggancio di fase |
US07/110,897 US4814725A (en) | 1986-11-12 | 1987-10-21 | Phase lock circuit for compensation for bit frequency variations |
EP87116273A EP0274591B1 (en) | 1986-11-12 | 1987-11-05 | Phase lock circuit |
DE8787116273T DE3778333D1 (de) | 1986-11-12 | 1987-11-05 | Schaltungsanordnung eines phasenregelkreises. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22305/86A IT1197969B (it) | 1986-11-12 | 1986-11-12 | Circuito ad aggancio di fase |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8622305A0 IT8622305A0 (it) | 1986-11-12 |
IT8622305A1 true IT8622305A1 (it) | 1988-05-12 |
IT1197969B IT1197969B (it) | 1988-12-21 |
Family
ID=11194438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22305/86A IT1197969B (it) | 1986-11-12 | 1986-11-12 | Circuito ad aggancio di fase |
Country Status (4)
Country | Link |
---|---|
US (1) | US4814725A (it) |
EP (1) | EP0274591B1 (it) |
DE (1) | DE3778333D1 (it) |
IT (1) | IT1197969B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1223524B (it) * | 1987-12-18 | 1990-09-19 | Honeywell Bull Spa | Circuito ad aggancio di fase autotarante |
US5239561A (en) * | 1991-07-15 | 1993-08-24 | National Semiconductor Corporation | Phase error processor |
US5563552A (en) * | 1994-01-28 | 1996-10-08 | International Business Machines Corporation | System and method for calibrating damping factor of analog PLL |
US5808971A (en) * | 1995-10-03 | 1998-09-15 | Sgs-Thomson Microelectronics S.R.L. | Timer with temperature compensation of time delays |
US20080296397A1 (en) * | 2007-05-30 | 2008-12-04 | Ta-Yang Cheng | Automatic heating unit for personal computer |
KR100899569B1 (ko) * | 2007-12-28 | 2009-05-27 | 주식회사 하이닉스반도체 | 저역통과필터 및 락 디텍터 회로 |
CN102654131B (zh) * | 2011-03-04 | 2014-11-12 | 鸿富锦精密工业(深圳)有限公司 | 风扇转速控制装置 |
US10637254B2 (en) * | 2015-03-19 | 2020-04-28 | Linear Technology Corporation | Spread spectrum for switch mode power supplies |
CN110475045B (zh) * | 2019-09-11 | 2023-08-15 | 吉林省广播电视研究所(吉林省广播电视局科技信息中心) | 比例锁相同步电子装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3944940A (en) * | 1974-09-06 | 1976-03-16 | Pertec Corporation | Versatile phase-locked loop for read data recovery |
US4017806A (en) * | 1976-01-26 | 1977-04-12 | Sperry Rand Corporation | Phase locked oscillator |
US4246545A (en) * | 1979-02-02 | 1981-01-20 | Burroughs Corporation | Data signal responsive phase locked loop using averaging and initializing techniques |
US4404530A (en) * | 1980-10-22 | 1983-09-13 | Data General Corporation | Phase locked loop with compensation for loop phase errors |
JPS5850827A (ja) * | 1981-09-08 | 1983-03-25 | Fujitsu Ltd | フェーズ・ロック・ループ回路 |
JPS58130631A (ja) * | 1982-01-28 | 1983-08-04 | Fujitsu Ltd | フエイズロツクドル−プ |
US4633488A (en) * | 1984-11-13 | 1986-12-30 | Digital Equipment Corporation | Phase-locked loop for MFM data recording |
-
1986
- 1986-11-12 IT IT22305/86A patent/IT1197969B/it active
-
1987
- 1987-10-21 US US07/110,897 patent/US4814725A/en not_active Expired - Fee Related
- 1987-11-05 EP EP87116273A patent/EP0274591B1/en not_active Expired
- 1987-11-05 DE DE8787116273T patent/DE3778333D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0274591B1 (en) | 1992-04-15 |
IT1197969B (it) | 1988-12-21 |
US4814725A (en) | 1989-03-21 |
EP0274591A1 (en) | 1988-07-20 |
IT8622305A0 (it) | 1986-11-12 |
DE3778333D1 (de) | 1992-05-21 |
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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: 19931130 |