GB1494677A - Digital monitoring circuits - Google Patents
Digital monitoring circuitsInfo
- Publication number
- GB1494677A GB1494677A GB7986/75A GB798675A GB1494677A GB 1494677 A GB1494677 A GB 1494677A GB 7986/75 A GB7986/75 A GB 7986/75A GB 798675 A GB798675 A GB 798675A GB 1494677 A GB1494677 A GB 1494677A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulse
- instant
- front flank
- gates
- triggering
- 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
Links
- 238000012544 monitoring process Methods 0.000 title abstract 2
- 230000001960 triggered effect Effects 0.000 abstract 2
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
- H03L7/095—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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2412966A DE2412966C3 (de) | 1974-03-18 | 1974-03-18 | Digitale Einrichtung zum Überwachen der Synchronisation bei Trägerfrequenzeinrichtungen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1494677A true GB1494677A (en) | 1977-12-07 |
Family
ID=5910415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7986/75A Expired GB1494677A (en) | 1974-03-18 | 1975-02-26 | Digital monitoring circuits |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5310417B2 (de) |
AU (1) | AU7897075A (de) |
CH (1) | CH574688A5 (de) |
DE (1) | DE2412966C3 (de) |
FR (1) | FR2265214B1 (de) |
GB (1) | GB1494677A (de) |
IT (1) | IT1034219B (de) |
NL (1) | NL7503157A (de) |
SE (1) | SE397755B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3988696A (en) * | 1975-11-28 | 1976-10-26 | The Bendix Corporation | Phase lock detector for digital frequency synthesizer |
JPS54150564A (en) * | 1978-05-17 | 1979-11-26 | Fujitsu Ltd | Alarm circuit for pll circuit |
DE2825277C3 (de) * | 1978-06-08 | 1981-05-07 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zur Trägerabschaltung |
DE2918850C2 (de) * | 1979-05-10 | 1983-05-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und Schaltungsanordnung zum Erkennen des Regelzustandes einer Phasenregelschleife |
JPS5776929A (en) * | 1980-10-30 | 1982-05-14 | Denki Kogyo Kk | Pll synchronizing detector |
-
1974
- 1974-03-18 DE DE2412966A patent/DE2412966C3/de not_active Expired
-
1975
- 1975-02-26 GB GB7986/75A patent/GB1494677A/en not_active Expired
- 1975-03-10 CH CH297275A patent/CH574688A5/xx not_active IP Right Cessation
- 1975-03-11 AU AU78970/75A patent/AU7897075A/en not_active Expired
- 1975-03-13 IT IT21193/75A patent/IT1034219B/it active
- 1975-03-14 FR FR7508022A patent/FR2265214B1/fr not_active Expired
- 1975-03-14 SE SE7502895A patent/SE397755B/xx unknown
- 1975-03-17 NL NL7503157A patent/NL7503157A/xx not_active Application Discontinuation
- 1975-03-18 JP JP3284975A patent/JPS5310417B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2412966B2 (de) | 1978-11-16 |
JPS5310417B2 (de) | 1978-04-13 |
FR2265214B1 (de) | 1979-02-16 |
NL7503157A (nl) | 1975-09-22 |
JPS50128967A (de) | 1975-10-11 |
DE2412966C3 (de) | 1979-07-12 |
CH574688A5 (de) | 1976-04-15 |
FR2265214A1 (de) | 1975-10-17 |
IT1034219B (it) | 1979-09-10 |
SE7502895L (de) | 1975-09-19 |
AU7897075A (en) | 1976-09-16 |
SE397755B (sv) | 1977-11-14 |
DE2412966A1 (de) | 1975-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |