DE69303086D1 - Phasen- und Frequenzkomparator - Google Patents
Phasen- und FrequenzkomparatorInfo
- Publication number
- DE69303086D1 DE69303086D1 DE69303086T DE69303086T DE69303086D1 DE 69303086 D1 DE69303086 D1 DE 69303086D1 DE 69303086 T DE69303086 T DE 69303086T DE 69303086 T DE69303086 T DE 69303086T DE 69303086 D1 DE69303086 D1 DE 69303086D1
- Authority
- DE
- Germany
- Prior art keywords
- phase
- frequency comparator
- comparator
- frequency
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9203547A FR2688956B1 (fr) | 1992-03-17 | 1992-03-17 | Comparateur de phase/frequence |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69303086D1 true DE69303086D1 (de) | 1996-07-18 |
DE69303086T2 DE69303086T2 (de) | 1997-01-16 |
Family
ID=9428027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69303086T Expired - Fee Related DE69303086T2 (de) | 1992-03-17 | 1993-03-15 | Phasen- und Frequenzkomparator |
Country Status (5)
Country | Link |
---|---|
US (1) | US5438285A (de) |
EP (1) | EP0561718B1 (de) |
JP (1) | JPH0645923A (de) |
DE (1) | DE69303086T2 (de) |
FR (1) | FR2688956B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4847716A (en) * | 1987-12-10 | 1989-07-11 | Ncr Corporation | Automatic prompting for cleaning of magnetic disk heads |
JP3970974B2 (ja) * | 1997-03-28 | 2007-09-05 | 富士通株式会社 | デジタル信号の位相比較方法、位相比較器、pll回路、データ復調回路、及び、データ読み出し装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3626307A (en) * | 1969-02-14 | 1971-12-07 | Iwasaki Tsushinki Kaisha A K A | Counting system for measuring a difference between frequencies of two signals |
US3714463A (en) * | 1971-01-04 | 1973-01-30 | Motorola Inc | Digital frequency and/or phase detector charge pump |
US4090143A (en) * | 1977-01-14 | 1978-05-16 | Zenith Radio Corporation | Digital phase comparator with reset |
US4281259A (en) * | 1978-11-08 | 1981-07-28 | Sanyo Electric Co., Ltd. | Digital phase comparing apparatus |
JPS561619A (en) * | 1979-06-19 | 1981-01-09 | Toshiba Corp | Phase comparator |
US4322643A (en) * | 1980-04-28 | 1982-03-30 | Rca Corporation | Digital phase comparator with improved sensitivity for small phase differences |
JPS57164620A (en) * | 1981-04-02 | 1982-10-09 | Sony Corp | Phase comparator |
US4502014A (en) * | 1982-11-24 | 1985-02-26 | Rca Corporation | Coincident pulse cancelling circuit |
US4594563A (en) * | 1984-11-02 | 1986-06-10 | Ampex Corporation | Signal comparison circuit and phase-locked-loop using same |
US4777447A (en) * | 1985-09-12 | 1988-10-11 | Siemens Aktiengesellschaft | Method and apparatus for a digital difference frequency mixer |
JP2718664B2 (ja) * | 1986-05-23 | 1998-02-25 | 株式会社日立製作所 | 位相同期検出回路 |
GB2202398A (en) * | 1987-03-18 | 1988-09-21 | Marconi Instruments Ltd | Phase comparator |
JP2608555B2 (ja) * | 1987-03-19 | 1997-05-07 | 富士通株式会社 | 位相比較回路 |
JP2619448B2 (ja) * | 1987-12-24 | 1997-06-11 | 富士通株式会社 | ディジタル式位相比較回路 |
JP2522413B2 (ja) * | 1989-10-17 | 1996-08-07 | 日本電気株式会社 | 位相周波数比較器 |
-
1992
- 1992-03-17 FR FR9203547A patent/FR2688956B1/fr not_active Expired - Fee Related
-
1993
- 1993-03-15 DE DE69303086T patent/DE69303086T2/de not_active Expired - Fee Related
- 1993-03-15 EP EP93420115A patent/EP0561718B1/de not_active Expired - Lifetime
- 1993-03-17 JP JP5081073A patent/JPH0645923A/ja not_active Withdrawn
- 1993-03-17 US US08/032,510 patent/US5438285A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0645923A (ja) | 1994-02-18 |
DE69303086T2 (de) | 1997-01-16 |
EP0561718B1 (de) | 1996-06-12 |
EP0561718A1 (de) | 1993-09-22 |
US5438285A (en) | 1995-08-01 |
FR2688956B1 (fr) | 1997-02-21 |
FR2688956A1 (fr) | 1993-09-24 |
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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 |