IT1020450B - Comparatore di frequenza e di fase con uscita in corrente - Google Patents
Comparatore di frequenza e di fase con uscita in correnteInfo
- Publication number
- IT1020450B IT1020450B IT26934/74A IT2693474A IT1020450B IT 1020450 B IT1020450 B IT 1020450B IT 26934/74 A IT26934/74 A IT 26934/74A IT 2693474 A IT2693474 A IT 2693474A IT 1020450 B IT1020450 B IT 1020450B
- Authority
- IT
- Italy
- Prior art keywords
- frequency
- current output
- phase comparator
- comparator
- phase
- 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
- H03L7/091—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 using a sampling device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/123—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal directly commands a frequency generator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Synchronizing For Television (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Amplifiers (AREA)
- Manipulation Of Pulses (AREA)
- Networks Using Active Elements (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US407762A US3863080A (en) | 1973-10-18 | 1973-10-18 | Current output frequency and phase comparator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1020450B true IT1020450B (it) | 1977-12-20 |
Family
ID=23613424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT26934/74A IT1020450B (it) | 1973-10-18 | 1974-09-04 | Comparatore di frequenza e di fase con uscita in corrente |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3863080A (it) |
| JP (1) | JPS523258B2 (it) |
| AT (1) | AT355106B (it) |
| AU (1) | AU7427174A (it) |
| BE (1) | BE821102A (it) |
| BR (1) | BR7408472D0 (it) |
| CA (1) | CA995311A (it) |
| DE (1) | DE2449536C3 (it) |
| ES (1) | ES431140A1 (it) |
| FR (1) | FR2248646B1 (it) |
| GB (1) | GB1481555A (it) |
| IT (1) | IT1020450B (it) |
| NL (1) | NL7413655A (it) |
| SE (1) | SE397458B (it) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5051657A (it) * | 1973-09-07 | 1975-05-08 | ||
| JPS5437953B2 (it) * | 1974-04-25 | 1979-11-17 | ||
| NL170080C (nl) * | 1974-05-27 | 1982-09-16 | Philips Nv | Schakeling voor het synchroniseren van een impulsvormig uitgangssignaal in het ritme van een periodiek impulsvormig ingangssignaal, alsmede halfgeleiderlichaam als onderdeel daarvan. |
| NL7407097A (nl) * | 1974-05-28 | 1975-12-02 | Philips Nv | Schakeling voor de lijnsynchronisatie in een televisieontvanger. |
| US3922602A (en) * | 1974-10-11 | 1975-11-25 | Motorola Inc | Lock detector for a phase locked loop |
| DE2542403A1 (de) * | 1974-11-26 | 1976-08-12 | Rca Corp | Komparatorschaltung |
| JPS51150228A (en) * | 1975-06-19 | 1976-12-23 | Victor Co Of Japan Ltd | Horizontal afc circuit |
| NL169811C (nl) * | 1975-10-03 | 1982-08-16 | Philips Nv | Beeldregelsynchronisatieschakeling, alsmede televisieontvanger daarvan voorzien. |
| JPS5478960A (en) * | 1977-12-07 | 1979-06-23 | Hitachi Ltd | Phase comparison circuit |
| US4278903A (en) * | 1978-04-28 | 1981-07-14 | Tokyo Shibaura Denki Kabushiki Kaisha | Phase comparison circuit |
| US4327376A (en) * | 1978-10-05 | 1982-04-27 | Rca Corporation | Dual phase-control loop horizontal deflection synchronizing circuit |
| NL7905540A (nl) * | 1979-07-17 | 1981-01-20 | Philips Nv | Fasevergelijkschakeling. |
| US4266245A (en) * | 1980-01-29 | 1981-05-05 | Rca Corporation | Differential amplifier current repeater |
| US4324990A (en) * | 1980-05-09 | 1982-04-13 | Motorola, Inc. | Comparison circuit adaptable for utilization in a television receiver or the like |
| EP0180450B1 (en) * | 1984-10-31 | 1991-05-22 | Rca Licensing Corporation | Television display apparatus having character generator with non-line-locked clock |
| IT1204395B (it) * | 1986-06-18 | 1989-03-01 | Sgs Microelettronica Spa | Circuito regolatore di fase,in particolare di fase orizzontale per visualizzatori di dati |
| JPS6376508A (ja) * | 1986-09-19 | 1988-04-06 | Toko Inc | 位相比較器 |
| US4760319A (en) * | 1987-02-27 | 1988-07-26 | Magnetic Peripherals Inc. | Circuit for removing unwanted slope transitions from an incoming signal |
| NL8901837A (nl) * | 1989-07-17 | 1991-02-18 | Philips Nv | Filterschakeling met een versterker en een kondensator. |
| WO1995022064A1 (en) | 1994-02-15 | 1995-08-17 | Rambus, Inc. | A phase detector with minimized phase detection error |
| KR100393317B1 (ko) * | 1994-02-15 | 2003-10-23 | 람버스 인코포레이티드 | 지연동기루프 |
| US5621340A (en) * | 1995-08-02 | 1997-04-15 | Rambus Inc. | Differential comparator for amplifying small swing signals to a full swing output |
| US6642746B2 (en) | 1996-01-02 | 2003-11-04 | Rambus Inc. | Phase detector with minimized phase detection error |
| US5825209A (en) * | 1997-02-27 | 1998-10-20 | Rambus Inc. | Quadrature phase detector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL182822B (nl) * | 1952-11-15 | Roskam Willem Gerrit | Preparatief elektroforese-apparaat. | |
| US3742249A (en) * | 1970-03-26 | 1973-06-26 | Itt | Circuit for phase comparison |
| US3646362A (en) * | 1970-04-30 | 1972-02-29 | Rca Corp | Sample-and-hold circuit |
| US3725673A (en) * | 1971-08-16 | 1973-04-03 | Motorola Inc | Switching circuit with hysteresis |
-
1973
- 1973-10-18 US US407762A patent/US3863080A/en not_active Expired - Lifetime
-
1974
- 1974-08-30 CA CA208,257A patent/CA995311A/en not_active Expired
- 1974-09-04 IT IT26934/74A patent/IT1020450B/it active
- 1974-10-09 SE SE7412701A patent/SE397458B/xx unknown
- 1974-10-10 GB GB43927/74A patent/GB1481555A/en not_active Expired
- 1974-10-11 BR BR8472/74A patent/BR7408472D0/pt unknown
- 1974-10-14 AU AU74271/74A patent/AU7427174A/en not_active Expired
- 1974-10-14 FR FR7434433A patent/FR2248646B1/fr not_active Expired
- 1974-10-15 BE BE149561A patent/BE821102A/xx unknown
- 1974-10-17 JP JP49120208A patent/JPS523258B2/ja not_active Expired
- 1974-10-17 AT AT836674A patent/AT355106B/de not_active IP Right Cessation
- 1974-10-17 NL NL7413655A patent/NL7413655A/xx not_active Application Discontinuation
- 1974-10-17 DE DE2449536A patent/DE2449536C3/de not_active Expired
- 1974-10-18 ES ES431140A patent/ES431140A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2449536C3 (de) | 1980-10-23 |
| CA995311A (en) | 1976-08-17 |
| SE397458B (sv) | 1977-10-31 |
| US3863080A (en) | 1975-01-28 |
| JPS523258B2 (it) | 1977-01-27 |
| DE2449536B2 (de) | 1978-06-08 |
| FR2248646B1 (it) | 1977-07-08 |
| DE2449536A1 (de) | 1975-04-30 |
| JPS50113157A (it) | 1975-09-05 |
| AU7427174A (en) | 1976-04-15 |
| ES431140A1 (es) | 1976-11-01 |
| AT355106B (de) | 1980-02-11 |
| ATA836674A (de) | 1979-07-15 |
| GB1481555A (en) | 1977-08-03 |
| BR7408472D0 (pt) | 1975-08-05 |
| FR2248646A1 (it) | 1975-05-16 |
| SE7412701L (it) | 1975-04-21 |
| BE821102A (fr) | 1975-02-03 |
| NL7413655A (nl) | 1975-04-22 |
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