FR2754959B1 - Comparateur de phase a tres faible offset - Google Patents
Comparateur de phase a tres faible offsetInfo
- Publication number
- FR2754959B1 FR2754959B1 FR9613087A FR9613087A FR2754959B1 FR 2754959 B1 FR2754959 B1 FR 2754959B1 FR 9613087 A FR9613087 A FR 9613087A FR 9613087 A FR9613087 A FR 9613087A FR 2754959 B1 FR2754959 B1 FR 2754959B1
- Authority
- FR
- France
- Prior art keywords
- phase comparator
- offset phase
- low offset
- low
- comparator
- 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 - Fee Related
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
- H03L7/0896—Details of the current generators the current generators being controlled by differential up-down pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
- H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means
- H03D13/004—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means the logic means delivering pulses at more than one terminal, e.g. up and down pulses
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9613087A FR2754959B1 (fr) | 1996-10-22 | 1996-10-22 | Comparateur de phase a tres faible offset |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9613087A FR2754959B1 (fr) | 1996-10-22 | 1996-10-22 | Comparateur de phase a tres faible offset |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2754959A1 FR2754959A1 (fr) | 1998-04-24 |
FR2754959B1 true FR2754959B1 (fr) | 1998-12-24 |
Family
ID=9497066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9613087A Expired - Fee Related FR2754959B1 (fr) | 1996-10-22 | 1996-10-22 | Comparateur de phase a tres faible offset |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2754959B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10826387B2 (en) | 2018-11-27 | 2020-11-03 | Nxp B.V. | Charge pump and method for operating a charge pump |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4025434B2 (ja) * | 1998-09-22 | 2007-12-19 | 富士通株式会社 | 電流源スイッチ回路 |
US6331830B1 (en) * | 2000-02-04 | 2001-12-18 | Rockwell Technologies Llc | Self-trimming current source and method for switched current source DAC |
FR2819123B1 (fr) * | 2000-12-29 | 2003-04-11 | St Microelectronics Sa | Pompe de charge a faible bruit pour boucle a verrouillage de phase |
US20020176188A1 (en) * | 2001-05-25 | 2002-11-28 | Infineon Technologies N.A. Inc. | Offset cancellation of charge pump based phase detector |
GB2410387B (en) * | 2004-01-23 | 2006-06-21 | Zarlink Semiconductor Ab | PLL phase/frequency detector with fully differential output charge pump |
FR2879858B1 (fr) * | 2004-12-16 | 2007-03-30 | St Microelectronics Sa | Procede de correction du dephasage entre deux signaux d'enree d'une boucle a verrouillage de phase et dispositif associe |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5166641A (en) * | 1992-03-17 | 1992-11-24 | National Semiconductor Corporation | Phase-locked loop with automatic phase offset calibration |
-
1996
- 1996-10-22 FR FR9613087A patent/FR2754959B1/fr not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10826387B2 (en) | 2018-11-27 | 2020-11-03 | Nxp B.V. | Charge pump and method for operating a charge pump |
Also Published As
Publication number | Publication date |
---|---|
FR2754959A1 (fr) | 1998-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20070629 |