DE69016965T2 - Pulsbreite-Detektierschaltung und diese verwendende PLL-Synthesiererschaltung. - Google Patents
Pulsbreite-Detektierschaltung und diese verwendende PLL-Synthesiererschaltung.Info
- Publication number
- DE69016965T2 DE69016965T2 DE69016965T DE69016965T DE69016965T2 DE 69016965 T2 DE69016965 T2 DE 69016965T2 DE 69016965 T DE69016965 T DE 69016965T DE 69016965 T DE69016965 T DE 69016965T DE 69016965 T2 DE69016965 T2 DE 69016965T2
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- pulse width
- width detection
- pll synthesizer
- detection circuit
- 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
- 238000001514 detection method Methods 0.000 title 1
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
-
- 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
- H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1300283A JP2828286B2 (ja) | 1989-11-16 | 1989-11-16 | Pllのロック検出回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69016965D1 DE69016965D1 (de) | 1995-03-23 |
DE69016965T2 true DE69016965T2 (de) | 1995-06-22 |
Family
ID=17882928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69016965T Expired - Fee Related DE69016965T2 (de) | 1989-11-16 | 1990-11-16 | Pulsbreite-Detektierschaltung und diese verwendende PLL-Synthesiererschaltung. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0433120B1 (de) |
JP (1) | JP2828286B2 (de) |
KR (1) | KR950000246B1 (de) |
DE (1) | DE69016965T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2682237B1 (fr) * | 1991-10-04 | 1993-11-19 | Alcatel Cit | Dispositif de detection d'accrochage d'une boucle a verrouillage de phase. |
FR2685990A1 (fr) * | 1992-01-02 | 1993-07-09 | Sgs Thomson Microelectronics | Detecteur de verrouillage d'une boucle a verrouillage de phase. |
JP2769660B2 (ja) * | 1992-09-21 | 1998-06-25 | 三菱電機株式会社 | Pll回路 |
US5530383A (en) * | 1994-12-05 | 1996-06-25 | May; Michael R. | Method and apparatus for a frequency detection circuit for use in a phase locked loop |
JP4015254B2 (ja) | 1998-01-16 | 2007-11-28 | 富士通株式会社 | ロック検出回路及びpll周波数シンセサイザ |
US6208216B1 (en) | 1998-09-28 | 2001-03-27 | Mikko J. Nasila | Phase-locked-loop pulse-width modulation system |
FR2793091B1 (fr) | 1999-04-30 | 2001-06-08 | France Telecom | Dispositif d'asservissement de frequence |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6010458B2 (ja) * | 1979-08-23 | 1985-03-18 | 富士通株式会社 | フエ−ズ・ロツクド・ル−プ回路 |
JPS6347105Y2 (de) * | 1981-01-13 | 1988-12-06 | ||
GB8522998D0 (en) * | 1985-09-18 | 1985-10-23 | Plessey Co Plc | Phase comparator lock detect circuit |
JPH01231430A (ja) * | 1988-03-10 | 1989-09-14 | Nec Corp | Pllロック検出回路 |
-
1989
- 1989-11-16 JP JP1300283A patent/JP2828286B2/ja not_active Expired - Fee Related
-
1990
- 1990-11-16 KR KR1019900018551A patent/KR950000246B1/ko not_active IP Right Cessation
- 1990-11-16 DE DE69016965T patent/DE69016965T2/de not_active Expired - Fee Related
- 1990-11-16 EP EP90403253A patent/EP0433120B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR910010881A (ko) | 1991-06-29 |
EP0433120A1 (de) | 1991-06-19 |
KR950000246B1 (ko) | 1995-01-12 |
JP2828286B2 (ja) | 1998-11-25 |
EP0433120B1 (de) | 1995-02-15 |
JPH03159318A (ja) | 1991-07-09 |
DE69016965D1 (de) | 1995-03-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |