BR8106834A - Sintetizador de frequencia sincronizado com travamento de alta velocidade - Google Patents

Sintetizador de frequencia sincronizado com travamento de alta velocidade

Info

Publication number
BR8106834A
BR8106834A BR8106834A BR8106834A BR8106834A BR 8106834 A BR8106834 A BR 8106834A BR 8106834 A BR8106834 A BR 8106834A BR 8106834 A BR8106834 A BR 8106834A BR 8106834 A BR8106834 A BR 8106834A
Authority
BR
Brazil
Prior art keywords
high speed
frequency synthesizer
speed lock
synchronized frequency
synchronized
Prior art date
Application number
BR8106834A
Other languages
English (en)
Inventor
S Swisher
P Griner
R Barnett
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of BR8106834A publication Critical patent/BR8106834A/pt

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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/187—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop
    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1077—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the phase or frequency detection means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals
BR8106834A 1980-02-20 1981-01-09 Sintetizador de frequencia sincronizado com travamento de alta velocidade BR8106834A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/122,929 US4330758A (en) 1980-02-20 1980-02-20 Synchronized frequency synthesizer with high speed lock
PCT/US1981/000046 WO1981002497A1 (en) 1980-02-20 1981-01-09 Synchronized frequency synthesizer with high speed lock

Publications (1)

Publication Number Publication Date
BR8106834A true BR8106834A (pt) 1981-12-22

Family

ID=22405700

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8106834A BR8106834A (pt) 1980-02-20 1981-01-09 Sintetizador de frequencia sincronizado com travamento de alta velocidade

Country Status (13)

Country Link
US (1) US4330758A (pt)
EP (1) EP0045795B1 (pt)
JP (1) JPH0343809B2 (pt)
AR (1) AR230132A1 (pt)
AU (1) AU537439B2 (pt)
BR (1) BR8106834A (pt)
CA (1) CA1158728A (pt)
DE (1) DE3164017D1 (pt)
DK (1) DK158183C (pt)
IL (1) IL61913A (pt)
PH (1) PH18161A (pt)
SG (1) SG78586G (pt)
WO (1) WO1981002497A1 (pt)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2075293B (en) * 1980-04-30 1984-03-07 British Comm Corp Ltd Electrical circuit arrangements
US4538136A (en) * 1981-03-30 1985-08-27 Amtel Systems Corporation Power line communication system utilizing a local oscillator
US4472820A (en) * 1981-04-06 1984-09-18 Motorola, Inc. Program swallow counting device using a single synchronous counter for frequency synthesizing
EP0075591A1 (en) * 1981-04-06 1983-04-06 Motorola, Inc. Frequency synthesized transceiver
US4516083A (en) * 1982-05-14 1985-05-07 Motorola, Inc. Fast lock PLL having out of lock detector control of loop filter and divider
US4503401A (en) * 1982-08-04 1985-03-05 Allied Corporation Wideband phase locked loop tracking oscillator for radio altimeter
US4538282A (en) * 1982-08-16 1985-08-27 Texas Instruments Incorporated Integrated circuit PSK modem phase locked loop
GB2131240A (en) * 1982-11-05 1984-06-13 Philips Electronic Associated Frequency synthesiser
US4559505A (en) * 1983-01-04 1985-12-17 Motorola, Inc. Frequency synthesizer with improved priority channel switching
GB2140232B (en) * 1983-05-17 1986-10-29 Marconi Instruments Ltd Frequency synthesisers
MX157636A (es) * 1984-01-03 1988-12-07 Motorola Inc Mejoras en circuito de sincronizacion de fase digital de frecuencia multiple
US4649353A (en) * 1985-03-29 1987-03-10 Motorola, Inc. Frequency synthesizer modulation response linearization
US4634998A (en) * 1985-07-17 1987-01-06 Hughes Aircraft Company Fast phase-lock frequency synthesizer with variable sampling efficiency
US4668922A (en) * 1985-07-17 1987-05-26 Hughes Aircraft Company Fast phase-lock frequency synthesizer
US4810904A (en) * 1985-07-17 1989-03-07 Hughes Aircraft Company Sample-and-hold phase detector circuit
WO1989001261A1 (en) * 1987-07-28 1989-02-09 Plessey Overseas Limited Frequency synthesisers
US4714899A (en) * 1986-09-30 1987-12-22 Motorola, Inc. Frequency synthesizer
US4748425A (en) * 1987-02-18 1988-05-31 Motorola, Inc. VCO range shift and modulation device
JPS63304721A (ja) * 1987-06-05 1988-12-13 Anritsu Corp 信号発生装置
US4817199A (en) * 1987-07-17 1989-03-28 Rockwell International Corporation Phase locked loop having reduced response time
US4893087A (en) * 1988-01-07 1990-01-09 Motorola, Inc. Low voltage and low power frequency synthesizer
GB2219451A (en) * 1988-05-31 1989-12-06 Plessey Co Plc Frequency synthesiser
US4920320A (en) * 1988-12-19 1990-04-24 Motorola, Inc. Phase locked loop with optimally controlled bandwidth
JPH02177725A (ja) * 1988-12-28 1990-07-10 Fujitsu Ltd Ｐｌｌシンセサイザ回路
GB2236922B (en) * 1989-08-31 1993-02-24 Multitone Electronics Plc Frequency synthesisers
US4987373A (en) * 1989-09-01 1991-01-22 Chrontel, Inc. Monolithic phase-locked loop
US4980653A (en) * 1989-09-05 1990-12-25 Motorola, Inc. Phase locked loop
US5175729A (en) * 1991-06-05 1992-12-29 Motorola, Inc. Radio with fast lock phase-locked loop
FR2682237B1 (fr) * 1991-10-04 1993-11-19 Alcatel Cit Dispositif de detection d'accrochage d'une boucle a verrouillage de phase.
FR2685583B1 (fr) * 1991-12-23 1997-01-03 Applic Gles Electr Meca Synthetiseur de frequences multibande.
US5331292A (en) * 1992-07-16 1994-07-19 National Semiconductor Corporation Autoranging phase-lock-loop circuit
US5420545A (en) * 1993-03-10 1995-05-30 National Semiconductor Corporation Phase lock loop with selectable frequency switching time
US5339278A (en) * 1993-04-12 1994-08-16 Motorola, Inc. Method and apparatus for standby recovery in a phase locked loop
FI97578C (fi) * 1994-10-14 1997-01-10 Nokia Telecommunications Oy Syntesoijan lukkiutumisen hälytyskytkentä
GB2295930B (en) * 1994-12-06 1999-11-24 Motorola Ltd Method and apparatus for implementing frequency hopping in a TDMA system
JPH08228148A (ja) * 1995-11-13 1996-09-03 Fujitsu Ltd Ｐｌｌ制御方法
DE19644118C2 (de) * 1996-10-23 2003-10-23 Siemens Ag Frequenzsynthesizer
JP3764785B2 (ja) * 1996-10-31 2006-04-12 富士通株式会社 Ｐｌｌ回路及びその自動調整回路並びに半導体装置
US7398071B2 (en) * 2004-12-17 2008-07-08 Broadcom Corporation Loop filter with gear shift for improved fractional-N PLL settling time
US7706474B2 (en) * 2005-11-14 2010-04-27 Ibiquity Digital Corporation Carrier tracking for AM in-band on-channel radio receivers
KR102403368B1 (ko) 2015-02-24 2022-05-30 삼성전자주식회사 수신 신호를 이용하는 위상 고정 루프

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1462249A (fr) * 1965-07-31 1966-04-15 Materiel Telephonique Arrangement de circuits pour la stabilisation d'oscillateurs conjugues
FR2148920A5 (pt) * 1971-08-10 1973-03-23 Thomson Csf
US3729688A (en) * 1971-12-15 1973-04-24 Motorola Inc Oscillator with switchable filter control voltage input for rapidly switching to discrete frequency outputs
US3893040A (en) * 1974-03-27 1975-07-01 Gte Automatic Electric Lab Inc Digital automatic frequency control system
GB1444860A (en) * 1974-12-12 1976-08-04 Mullard Ltd Frequency synthesiser
GB1529116A (en) * 1976-06-25 1978-10-18 Indesit Receiver having a device for tuning the receiver to a selected signal frequency for reception by the receiver
GB1581525A (en) * 1976-08-04 1980-12-17 Plessey Co Ltd Frequency synthesis control system
NL174417C (nl) * 1976-08-20 1984-06-01 Philips Nv Fasevergrendellus met omschakelbaar lusfilter.
DE2706224C2 (de) * 1977-02-14 1985-01-10 Rohde & Schwarz GmbH & Co KG, 8000 München Digital einstellbarer Frequenzgenerator
US4205272A (en) * 1977-04-13 1980-05-27 Trio Kabushiki Kaisha Phase-locked loop circuit for use in synthesizer tuner and synthesizer tuner incorporating same
US4105948A (en) * 1977-04-18 1978-08-08 Rca Corporation Frequency synthesizer with rapidly changeable frequency
US4153876A (en) * 1977-04-27 1979-05-08 Texas Instruments Incorporated Charge transfer device radio system
US4115745A (en) * 1977-10-04 1978-09-19 Gte Sylvania Incorporated Phase lock speed-up circuit
US4131862A (en) * 1977-10-13 1978-12-26 Sperry Rand Corporation Phase lock loop with narrow band lock-in and wideband acquisition characteristics
GB2015277B (en) * 1977-11-30 1982-09-29 Plessey Co Ltd Frequency synthesizer

Also Published As

Publication number Publication date
EP0045795A4 (en) 1982-07-13
US4330758A (en) 1982-05-18
AR230132A1 (es) 1984-02-29
IL61913A0 (en) 1981-02-27
EP0045795A1 (en) 1982-02-17
DK439881A (da) 1981-10-05
AU537439B2 (en) 1984-06-21
SG78586G (en) 1987-07-03
DE3164017D1 (en) 1984-07-19
EP0045795B1 (en) 1984-06-13
JPS57500131A (pt) 1982-01-21
DK158183B (da) 1990-04-02
IL61913A (en) 1983-09-30
CA1158728A (en) 1983-12-13
JPH0343809B2 (pt) 1991-07-03
PH18161A (en) 1985-04-03
AU6929281A (en) 1981-09-11
WO1981002497A1 (en) 1981-09-03
DK158183C (da) 1990-09-03

Similar Documents

Publication Publication Date Title
BR8106834A (pt) Sintetizador de frequencia sincronizado com travamento de alta velocidade
GB2012129B (en) Variable frequency oscillator system
IT1194709B (it) Sintetizzatore di frequenza
GB2045556B (en) Frequency synthesizers
DK160030C (da) Frekvenssynthesizer
JPS55150621A (en) Frequency synthesizer
IT1125499B (it) Complesso sintetizzatore di frequenza
FR2435860B1 (fr) Synthetiseur numerique de frequence
FR2468252B1 (fr) Oscillateur
GB2021338B (en) Frequency synthesizer
GB2015277B (en) Frequency synthesizer
DE3266414D1 (en) Frequency synthesizer with fast tuning
GB2091960B (en) High speed frequency synthesizer
AU5794180A (en) Frequency synthesizer
JPS5398766A (en) Pll synthesizer
JPS5396655A (en) Pll synthesizer
DK81279A (da) Syntetisator
FI803134L (fi) Faskompenserad och -styrd oscillator
JPS5338957A (en) Free running oscillator synchronizer
JPS5428557A (en) Frequency synthesizer
GB2039441B (en) Frequency synthesizer
MY8700551A (en) Synchronised frequency synthesizer with high speed lock
JPS535556A (en) Frequency synthesizer
JPS5350649A (en) Frequency synthesizer
JPS53100752A (en) Pll synthesizer

Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 09/01/96