BE885359A - Circuit de controle d'impulsions d'horloge - Google Patents
Circuit de controle d'impulsions d'horlogeInfo
- Publication number
- BE885359A BE885359A BE2/58767A BE2058767A BE885359A BE 885359 A BE885359 A BE 885359A BE 2/58767 A BE2/58767 A BE 2/58767A BE 2058767 A BE2058767 A BE 2058767A BE 885359 A BE885359 A BE 885359A
- Authority
- BE
- Belgium
- Prior art keywords
- control circuit
- clock pulse
- pulse control
- clock
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/19—Monitoring patterns of pulse trains
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/099,948 US4308472A (en) | 1979-12-03 | 1979-12-03 | Clock check circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
BE885359A true BE885359A (fr) | 1981-01-16 |
Family
ID=22277364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2/58767A BE885359A (fr) | 1979-12-03 | 1980-09-24 | Circuit de controle d'impulsions d'horloge |
Country Status (4)
Country | Link |
---|---|
US (1) | US4308472A (fr) |
BE (1) | BE885359A (fr) |
CA (1) | CA1159533A (fr) |
IT (1) | IT1134473B (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02209008A (ja) * | 1989-02-09 | 1990-08-20 | Fujitsu Ltd | クロック信号変換回路 |
US5101127A (en) * | 1989-03-23 | 1992-03-31 | Texas Instruments Incorporated | Digital integrated frequency discriminator of external clock and internally generated signal backup |
IT1244205B (it) * | 1990-12-19 | 1994-07-08 | Sgs Thomson Microelectronics | Circuito di generazione di un clock di scansione in un dispositivo di analisi operativa di tipo seriale per circuito integrato |
US5489865A (en) * | 1992-02-28 | 1996-02-06 | Media Vision, Inc. | Circuit for filtering asynchronous metastability of cross-coupled logic gates |
JPH0795156A (ja) * | 1993-09-20 | 1995-04-07 | Fujitsu Ltd | 光入力断検出回路 |
JP2697621B2 (ja) * | 1994-07-29 | 1998-01-14 | 日本電気株式会社 | 信号周期検出回路および信号断監視回路 |
JPH0884161A (ja) * | 1994-09-13 | 1996-03-26 | Fuji Electric Co Ltd | バイフェーズ符号を用いたシリアル通信装置用の受信検知回路装置 |
US6002274A (en) * | 1995-09-29 | 1999-12-14 | Dallas Semiconductor | Oversampled state machine for jitter tolerant pulse detection |
US5781544A (en) * | 1996-01-17 | 1998-07-14 | Lsi Logic Corporation | Method for interleaving network traffic over serial lines |
US5787114A (en) * | 1996-01-17 | 1998-07-28 | Lsi Logic Corporation | Loop-back test system and method |
US5956370A (en) * | 1996-01-17 | 1999-09-21 | Lsi Logic Corporation | Wrap-back test system and method |
US5781038A (en) * | 1996-02-05 | 1998-07-14 | Lsi Logic Corporation | High speed phase locked loop test method and means |
US5896426A (en) * | 1996-02-05 | 1999-04-20 | Lsi Logic Corporation | Programmable synchronization character |
US5708375A (en) * | 1996-04-29 | 1998-01-13 | Fluke Corporation | Minimum pulse width detector for a measurement instrument |
US6341142B2 (en) | 1997-12-16 | 2002-01-22 | Lsi Logic Corporation | Serial data transceiver including elements which facilitate functional testing requiring access to only the serial data ports, and an associated test method |
US6208621B1 (en) | 1997-12-16 | 2001-03-27 | Lsi Logic Corporation | Apparatus and method for testing the ability of a pair of serial data transceivers to transmit serial data at one frequency and to receive serial data at another frequency |
US6331999B1 (en) | 1998-01-15 | 2001-12-18 | Lsi Logic Corporation | Serial data transceiver architecture and test method for measuring the amount of jitter within a serial data stream |
DE102007022369A1 (de) | 2007-05-07 | 2008-11-20 | IHP GmbH - Innovations for High Performance Microelectronics/Institut für innovative Mikroelektronik | Taktüberwachungsschaltung |
DE102007031131A1 (de) | 2007-06-29 | 2009-01-08 | IHP GmbH - Innovations for High Performance Microelectronics/Institut für innovative Mikroelektronik | Taktüberwachungsschaltung mit interner Referenztaktquelle |
CN102136832B (zh) * | 2011-02-15 | 2013-04-24 | 上海华为技术有限公司 | 时钟信号检测方法及系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL252942A (fr) * | 1959-07-01 | |||
US3876951A (en) * | 1972-01-26 | 1975-04-08 | Johnson Service Co | Digital filter circuits |
JPS52145A (en) * | 1975-06-23 | 1977-01-05 | Hitachi Ltd | Tertiary value generator |
-
1979
- 1979-12-03 US US06/099,948 patent/US4308472A/en not_active Expired - Lifetime
-
1980
- 1980-09-24 BE BE2/58767A patent/BE885359A/fr not_active IP Right Cessation
- 1980-11-27 IT IT26254/80A patent/IT1134473B/it active
- 1980-11-28 CA CA000365760A patent/CA1159533A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4308472A (en) | 1981-12-29 |
IT8026254A0 (it) | 1980-11-27 |
CA1159533A (fr) | 1983-12-27 |
IT1134473B (it) | 1986-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC. Effective date: 19890930 |