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
FR2265214B1 (de) 1979-02-16
AU7897075A (en) 1976-09-16
CH574688A5 (de) 1976-04-15
FR2265214A1 (de) 1975-10-17
DE2412966C3 (de) 1979-07-12
NL7503157A (nl) 1975-09-22
SE7502895L (de) 1975-09-19
DE2412966B2 (de) 1978-11-16
JPS50128967A (de) 1975-10-11
IT1034219B (it) 1979-09-10
DE2412966A1 (de) 1975-11-20
JPS5310417B2 (de) 1978-04-13
SE397755B (sv) 1977-11-14

Similar Documents

Publication Publication Date Title
GB1526711A (en) Clock regenerator circuit arrangement
GB1256164A (en) Signal phasecompensation circuits
GB1355892A (en) Drive circuit for an electronic timepiece
JPS6413814A (en) Phase locking loop locking synchronizer and signal detector
US3828258A (en) Signal duration sensing circuit
GB1294759A (en) Variable frequency oscillator control systems
US3723889A (en) Phase and frequency comparator
GB1362210A (en) Electronic interference suppression device and method of operation thereof
GB1353791A (en) Digital signal synchronizing system
GB1499580A (en) Digital device for detecting the presence of an nrz message
US3795823A (en) Signal detection in noisy transmission path
GB1320742A (en) Frame synchronizing circuit for high clock frequency digital communication system
US3936603A (en) Digital communication systems
GB1494677A (en) Digital monitoring circuits
GB1452559A (en) Method and device for frequency multiplication
GB1256199A (en) Frequency to direct current converter
GB1466466A (en) Logic circuits for solving boolean functions
GB1436726A (en) Ladder static logic control system and method of making
GB1535231A (en) Oscillator circuit
GB1353720A (en) Arrangement for controlling the frequency and phase of an osci llator
GB1346247A (en) Vertical synchronizing system
GB1425517A (en) Timing mode selector
GB1099835A (en) Electronic clock
GB1287477A (en) Improvements in relating to oscillator circuit arrangements
GB1080978A (en) Monitoring device for an electronic binary counter telefunken patentverwertungsgesellschaft m.b.h.

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee