DE3268401D1 - Phase-locked loop circuit - Google Patents
Phase-locked loop circuitInfo
- Publication number
- DE3268401D1 DE3268401D1 DE8282401522T DE3268401T DE3268401D1 DE 3268401 D1 DE3268401 D1 DE 3268401D1 DE 8282401522 T DE8282401522 T DE 8282401522T DE 3268401 T DE3268401 T DE 3268401T DE 3268401 D1 DE3268401 D1 DE 3268401D1
- Authority
- DE
- Germany
- Prior art keywords
- phase
- locked loop
- loop circuit
- circuit
- locked
- 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
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
- 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
- H03L7/0895—Details of the current generators
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56126248A JPS5827438A (ja) | 1981-08-12 | 1981-08-12 | Pll回路 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3268401D1 true DE3268401D1 (en) | 1986-02-20 |
Family
ID=14930463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282401522T Expired DE3268401D1 (en) | 1981-08-12 | 1982-08-11 | Phase-locked loop circuit |
Country Status (5)
Country | Link |
---|---|
US (1) | US4524333A (de) |
EP (1) | EP0072751B1 (de) |
JP (1) | JPS5827438A (de) |
DE (1) | DE3268401D1 (de) |
IE (1) | IE53355B1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8329511D0 (en) * | 1983-11-04 | 1983-12-07 | Inmos Ltd | Timing apparatus |
US4814726A (en) * | 1987-08-17 | 1989-03-21 | National Semiconductor Corporation | Digital phase comparator/charge pump with zero deadband and minimum offset |
US4937538A (en) * | 1988-04-05 | 1990-06-26 | U.S. Philips Corporation | Circuit arrangement for synchronizing an oscillator |
JP2855628B2 (ja) * | 1988-05-11 | 1999-02-10 | セイコーエプソン株式会社 | 位相同期回路 |
US5008637A (en) * | 1989-11-15 | 1991-04-16 | Level One Communications, Inc. | Fully integrated charge pump phase locked loop |
US5146187A (en) * | 1991-07-01 | 1992-09-08 | Ericsson Ge Mobile Communications Inc. | Synthesizer loop filter for scanning receivers |
US5319320A (en) * | 1991-08-06 | 1994-06-07 | Seiko Epson Corporation | Phase-locked loop having frequency and phase control current pumps |
US5208546A (en) * | 1991-08-21 | 1993-05-04 | At&T Bell Laboratories | Adaptive charge pump for phase-locked loops |
US5458438A (en) * | 1991-09-06 | 1995-10-17 | Foam Enterprises, Inc. | Insulating pipe spacers |
JP3795098B2 (ja) * | 1994-05-09 | 2006-07-12 | シリコン システムズ インコーポレーテッド | 位相検出器型フェーズ・ロック・ループ |
GB9415185D0 (en) * | 1994-07-28 | 1994-09-21 | Thomson Consumer Electronics | Fast acting control system |
DE19639370A1 (de) * | 1996-09-25 | 1998-03-26 | Philips Patentverwaltung | Phasenregelkreis |
JP3827403B2 (ja) * | 1997-05-20 | 2006-09-27 | 富士通株式会社 | 電流スイッチ回路及びそれを利用したpll回路 |
US6546059B1 (en) * | 1999-12-28 | 2003-04-08 | Intel Corporation | Adaptive integrated PLL loop filter |
US6595071B1 (en) | 2000-01-06 | 2003-07-22 | Transoma Medical, Inc. | Estimation of error angle in ultrasound flow measurement |
US6539316B1 (en) | 2000-01-06 | 2003-03-25 | Data Sciences International, Inc. | Phase detector |
US6435037B1 (en) | 2000-01-06 | 2002-08-20 | Data Sciences International, Inc. | Multiplexed phase detector |
DE10048590B4 (de) | 2000-09-30 | 2008-02-28 | Infineon Technologies Ag | Phasenregelkreis |
GB2384123A (en) | 2002-01-11 | 2003-07-16 | Zarlink Semiconductor Inc | Resampling filter for analog PLL |
US9397557B2 (en) | 2014-05-15 | 2016-07-19 | Mediatek Inc. | Charge pump with wide operating range |
US9331569B1 (en) * | 2015-01-14 | 2016-05-03 | Mediatek Inc. | Current generating circuit, current generating method, charge pumping circuit and charge pumping method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS588776B2 (ja) * | 1977-03-15 | 1983-02-17 | 日本電気株式会社 | 周波数弁別器 |
US4208635A (en) * | 1978-08-14 | 1980-06-17 | Scientific Micro Systems, Inc. | Active filter and phase-locked loop using same |
US4371975A (en) * | 1981-02-25 | 1983-02-01 | Rockwell International Corporation | Sampling NRZ data phase detector |
-
1981
- 1981-08-12 JP JP56126248A patent/JPS5827438A/ja active Granted
-
1982
- 1982-08-11 EP EP82401522A patent/EP0072751B1/de not_active Expired
- 1982-08-11 DE DE8282401522T patent/DE3268401D1/de not_active Expired
- 1982-08-11 US US06/407,150 patent/US4524333A/en not_active Expired - Lifetime
- 1982-08-12 IE IE1957/82A patent/IE53355B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0072751B1 (de) | 1986-01-08 |
IE53355B1 (en) | 1988-10-26 |
IE821957L (en) | 1983-02-12 |
EP0072751A3 (en) | 1983-08-24 |
JPS5827438A (ja) | 1983-02-18 |
JPH033972B2 (de) | 1991-01-21 |
US4524333A (en) | 1985-06-18 |
EP0072751A2 (de) | 1983-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |