SG78586G - Synchronized frequency synthesizer with high speed lock - Google Patents
Synchronized frequency synthesizer with high speed lockInfo
- Publication number
- SG78586G SG78586G SG785/86A SG78586A SG78586G SG 78586 G SG78586 G SG 78586G SG 785/86 A SG785/86 A SG 785/86A SG 78586 A SG78586 A SG 78586A SG 78586 G SG78586 G SG 78586G
- Authority
- SG
- Singapore
- Prior art keywords
- high speed
- frequency synthesizer
- speed lock
- synchronized frequency
- synchronized
- Prior art date
Links
- 230000001360 synchronised effect Effects 0.000 title 1
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
Applications Claiming Priority (1)
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG78586G true SG78586G (en) | 1987-07-03 |
Family
ID=22405700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG785/86A SG78586G (en) | 1980-02-20 | 1986-09-29 | Synchronized frequency synthesizer with high speed lock |
Country Status (13)
Country | Link |
---|---|
US (1) | US4330758A (da) |
EP (1) | EP0045795B1 (da) |
JP (1) | JPH0343809B2 (da) |
AR (1) | AR230132A1 (da) |
AU (1) | AU537439B2 (da) |
BR (1) | BR8106834A (da) |
CA (1) | CA1158728A (da) |
DE (1) | DE3164017D1 (da) |
DK (1) | DK158183C (da) |
IL (1) | IL61913A (da) |
PH (1) | PH18161A (da) |
SG (1) | SG78586G (da) |
WO (1) | WO1981002497A1 (da) |
Families Citing this family (41)
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 |
US4810904A (en) * | 1985-07-17 | 1989-03-07 | Hughes Aircraft Company | Sample-and-hold phase detector circuit |
US4668922A (en) * | 1985-07-17 | 1987-05-26 | Hughes Aircraft Company | Fast phase-lock frequency synthesizer |
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)
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 (da) * | 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 |
US4132950A (en) * | 1977-04-27 | 1979-01-02 | Texas Instruments Incorporated | Clarifying radio receiver |
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 |
-
1980
- 1980-02-20 US US06/122,929 patent/US4330758A/en not_active Expired - Lifetime
-
1981
- 1981-01-09 JP JP56500959A patent/JPH0343809B2/ja not_active Expired - Lifetime
- 1981-01-09 EP EP81900707A patent/EP0045795B1/en not_active Expired
- 1981-01-09 BR BR8106834A patent/BR8106834A/pt not_active IP Right Cessation
- 1981-01-09 DE DE8181900707T patent/DE3164017D1/de not_active Expired
- 1981-01-09 AU AU69292/81A patent/AU537439B2/en not_active Ceased
- 1981-01-09 WO PCT/US1981/000046 patent/WO1981002497A1/en active IP Right Grant
- 1981-01-15 IL IL61913A patent/IL61913A/xx unknown
- 1981-01-16 CA CA000368662A patent/CA1158728A/en not_active Expired
- 1981-01-22 PH PH25122A patent/PH18161A/en unknown
- 1981-02-13 AR AR284289A patent/AR230132A1/es active
- 1981-10-05 DK DK439881A patent/DK158183C/da active
-
1986
- 1986-09-29 SG SG785/86A patent/SG78586G/en unknown
Also Published As
Publication number | Publication date |
---|---|
US4330758A (en) | 1982-05-18 |
CA1158728A (en) | 1983-12-13 |
EP0045795A1 (en) | 1982-02-17 |
JPS57500131A (da) | 1982-01-21 |
IL61913A (en) | 1983-09-30 |
AU6929281A (en) | 1981-09-11 |
AR230132A1 (es) | 1984-02-29 |
DE3164017D1 (en) | 1984-07-19 |
DK439881A (da) | 1981-10-05 |
EP0045795B1 (en) | 1984-06-13 |
IL61913A0 (en) | 1981-02-27 |
AU537439B2 (en) | 1984-06-21 |
PH18161A (en) | 1985-04-03 |
WO1981002497A1 (en) | 1981-09-03 |
DK158183B (da) | 1990-04-02 |
DK158183C (da) | 1990-09-03 |
BR8106834A (pt) | 1981-12-22 |
EP0045795A4 (en) | 1982-07-13 |
JPH0343809B2 (da) | 1991-07-03 |
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