SE392374B - Anordning for storningsundertryckning i synkroniserade oscillatorer av typ fastlast slinga - Google Patents

Anordning for storningsundertryckning i synkroniserade oscillatorer av typ fastlast slinga

Info

Publication number
SE392374B
SE392374B SE7407745A SE7407745A SE392374B SE 392374 B SE392374 B SE 392374B SE 7407745 A SE7407745 A SE 7407745A SE 7407745 A SE7407745 A SE 7407745A SE 392374 B SE392374 B SE 392374B
Authority
SE
Sweden
Prior art keywords
oscillators
suppression device
fixed load
load link
synchronized fixed
Prior art date
Application number
SE7407745A
Other languages
English (en)
Swedish (sv)
Other versions
SE7407745L (de
Inventor
F Pausini
G Squartini
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of SE7407745L publication Critical patent/SE7407745L/xx
Publication of SE392374B publication Critical patent/SE392374B/xx

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
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
    • H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal
    • H03L7/148—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal said digital means comprising a counter or a divider
SE7407745A 1973-06-18 1974-06-12 Anordning for storningsundertryckning i synkroniserade oscillatorer av typ fastlast slinga SE392374B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT50862/73A IT986172B (it) 1973-06-18 1973-06-18 Dispositivo di sincronizzazione automatica per un oscillatore in particolare per impianti di tele comunicazione

Publications (2)

Publication Number Publication Date
SE7407745L SE7407745L (de) 1974-12-19
SE392374B true SE392374B (sv) 1977-03-21

Family

ID=11274006

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7407745A SE392374B (sv) 1973-06-18 1974-06-12 Anordning for storningsundertryckning i synkroniserade oscillatorer av typ fastlast slinga

Country Status (5)

Country Link
US (1) US3903482A (de)
BR (1) BR7404932D0 (de)
DE (1) DE2428495B2 (de)
IT (1) IT986172B (de)
SE (1) SE392374B (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061979A (en) * 1975-10-20 1977-12-06 Digital Communications Corporation Phase locked loop with pre-set and squelch
SE396521B (sv) * 1975-12-30 1977-09-19 Ericsson Telefon Ab L M Storningsresistent faslast slinga
US4031483A (en) * 1976-01-15 1977-06-21 Sperry Rand Corporation Limiter circuit for servosystems
US4029900A (en) * 1976-01-26 1977-06-14 Bell Telephone Laboratories, Incorporated Digital synchronizing signal recovery circuits for a data receiver
US4099125A (en) * 1976-06-23 1978-07-04 Motorola, Inc. Frequency error correction circuit
JPS5384666A (en) * 1976-12-30 1978-07-26 Alps Electric Co Ltd Pll circuit
US4313139A (en) * 1980-02-11 1982-01-26 Exxon Research & Engineering Co. Carrier recovery circuit for a facsimile system
ATE13375T1 (de) * 1981-04-22 1985-06-15 Contraves Ag Schaltung zum erzeugen einer sinusfoermigen synchronisierspannung fuer die zuendung von thyristoren.
NL8202685A (nl) * 1982-07-05 1984-02-01 Philips Nv Kloksignaalregenerator met hoge stabiliteit.
FR2531589A1 (fr) * 1982-08-06 1984-02-10 Europ Agence Spatiale Generateur de signaux de synchronisation pour reseau de telecommunications
FR2535545B1 (fr) * 1982-10-29 1989-08-04 Thomson Csf Synthetiseur a temps d'acquisition rapide de frequence et systeme de transmission radioelectrique a saut de frequence comportant un tel synthetiseur
DE3324919A1 (de) * 1983-07-09 1985-01-17 Philips Patentverwaltung Gmbh, 2000 Hamburg Phasenregelkreis
JPS63281519A (ja) * 1987-05-13 1988-11-18 Noboru Yamaguchi 同期クロック信号発生装置
DE3731567A1 (de) * 1987-09-19 1989-04-06 Thomson Brandt Gmbh Frequenzdemodulator in pll-technik
EP0326899A3 (de) * 1988-01-29 1990-05-30 Siemens Nixdorf Informationssysteme Aktiengesellschaft Schaltungsanordnung zur Bildung eines digitalen Taktsignals
US5574407A (en) * 1993-04-20 1996-11-12 Rca Thomson Licensing Corporation Phase lock loop with error consistency detector
AU6707994A (en) * 1993-04-20 1994-11-08 Rca Thomson Licensing Corporation A phase lock loop with an r-c oscillator
FI97003C (fi) * 1993-09-27 1996-09-25 Nokia Telecommunications Oy Menetelmä vaihelukitun silmukan ohjaamiseksi sekä vaihelukittu silmukka
US5926515A (en) * 1995-12-26 1999-07-20 Samsung Electronics Co., Ltd. Phase locked loop for improving a phase locking time
JP3542978B2 (ja) * 2001-05-29 2004-07-14 埼玉日本電気株式会社 周波数同期装置および周波数同期制御方法
GB2383697A (en) * 2001-12-27 2003-07-02 Zarlink Semiconductor Inc Method of speeding lock of PLL
NL1031209C2 (nl) * 2006-02-22 2007-08-24 Enraf Bv Werkwijze en inrichting voor het nauwkeurig vaststellen van het niveau L van een vloeistof met behulp van naar het vloeistofniveau uitgestraalde radarsignalen en door het vloeistofniveau gereflecteerde radarsignalen.
NL1034327C2 (nl) * 2007-09-04 2009-03-05 Enraf Bv Werkwijze en inrichting voor het binnen een bepaald meetbereik vaststellen van het niveau L van een vloeistof met behulp van naar het vloeistofniveau uitgestraalde radarsignalen en door het vloeistofniveau gereflecteerde radarsignalen.
US8659472B2 (en) * 2008-09-18 2014-02-25 Enraf B.V. Method and apparatus for highly accurate higher frequency signal generation and related level gauge
US8224594B2 (en) * 2008-09-18 2012-07-17 Enraf B.V. Apparatus and method for dynamic peak detection, identification, and tracking in level gauging applications
US8271212B2 (en) * 2008-09-18 2012-09-18 Enraf B.V. Method for robust gauging accuracy for level gauges under mismatch and large opening effects in stillpipes and related apparatus
US9046406B2 (en) 2012-04-11 2015-06-02 Honeywell International Inc. Advanced antenna protection for radars in level gauging and other applications

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL280342A (de) * 1961-06-29
US3573649A (en) * 1969-01-08 1971-04-06 Us Navy Frequency-lock circuit

Also Published As

Publication number Publication date
BR7404932D0 (pt) 1975-09-30
DE2428495B2 (de) 1976-01-29
DE2428495A1 (de) 1975-01-02
SE7407745L (de) 1974-12-19
US3903482A (en) 1975-09-02
IT986172B (it) 1975-01-20

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