GB1494677A - Digital monitoring circuits - Google Patents

Digital monitoring circuits

Info

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
Application number
GB7986/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB1494677A publication Critical patent/GB1494677A/en
Expired legal-status Critical Current

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
    • H03L7/095—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)
GB7986/75A 1974-03-18 1975-02-26 Digital monitoring circuits Expired GB1494677A (en)

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)

* Cited by examiner, † Cited by third party
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

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