ITTO910511A0 - - Google Patents

Info

Publication number
ITTO910511A0
ITTO910511A0 IT91TO511A ITTO910511A ITTO910511A0 IT TO910511 A0 ITTO910511 A0 IT TO910511A0 IT 91TO511 A IT91TO511 A IT 91TO511A IT TO910511 A ITTO910511 A IT TO910511A IT TO910511 A0 ITTO910511 A0 IT TO910511A0
Authority
IT
Italy
Application number
IT91TO511A
Other languages
Italian (it)
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 filed Critical
Publication of ITTO910511A0 publication Critical patent/ITTO910511A0/it
Publication of ITTO910511A1 publication Critical patent/ITTO910511A1/it
Application granted granted Critical
Publication of IT1277984B1 publication Critical patent/IT1277984B1/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/68—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a base which is a non-integer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/667—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by switching the base during a counting cycle
    • 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
    • H03L7/197—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • H03L7/1976—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
    • 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
    • H03L2207/10—Indirect frequency synthesis using a frequency multiplier in the phase-locked loop or in the reference signal path
IT91TO000511A 1990-08-21 1991-07-02 Sintetizzatore di frequenze con anello di aggancio di fase IT1277984B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9010512A FR2748872B1 (fr) 1990-08-21 1990-08-21 Synthetiseur de frequence a boucle a verrouillage de phase a division fractionnaire multiple

Publications (3)

Publication Number Publication Date
ITTO910511A0 true ITTO910511A0 (en:Method) 1991-07-02
ITTO910511A1 ITTO910511A1 (it) 1993-01-02
IT1277984B1 IT1277984B1 (it) 1997-11-12

Family

ID=9399759

Family Applications (1)

Application Number Title Priority Date Filing Date
IT91TO000511A IT1277984B1 (it) 1990-08-21 1991-07-02 Sintetizzatore di frequenze con anello di aggancio di fase

Country Status (8)

Country Link
US (1) US6191657B1 (en:Method)
BE (1) BE1010980A3 (en:Method)
CA (1) CA2049582A1 (en:Method)
DE (1) DE4127385C2 (en:Method)
ES (1) ES2105919B1 (en:Method)
FR (1) FR2748872B1 (en:Method)
GB (1) GB2319371B (en:Method)
IT (1) IT1277984B1 (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785109B1 (fr) 1998-10-23 2001-01-19 Thomson Csf Compensation du retard du convertisseur analogique numerique dans les modulateurs sigma delta
FR2793972B1 (fr) 1999-05-21 2001-08-10 Thomson Csf Synthetiseur numerique a division coherente
US6977492B2 (en) * 2002-07-10 2005-12-20 Marvell World Trade Ltd. Output regulator
FR2880219B1 (fr) * 2004-12-23 2007-02-23 Thales Sa Procede et systeme de radiocommunication numerique, notamment pour les stations sol mobiles
KR100869227B1 (ko) * 2007-04-04 2008-11-18 삼성전자주식회사 프리 캘리브레이션 모드를 가진 위상동기루프 회로 및위상동기루프 회로의 프리 캘리브레이션 방법
TWI898637B (zh) * 2024-05-31 2025-09-21 円星科技股份有限公司 改良跳頻的時脈電路與相關方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1382417A (en) * 1971-03-16 1975-01-29 Goulder Mikron Ltd Digital processing system
GB1560233A (en) * 1977-02-02 1980-01-30 Marconi Co Ltd Frequency synthesisers
FR2426358A1 (fr) * 1978-05-17 1979-12-14 Trt Telecom Radio Electr Synthetiseur de frequence a division directe a pas apres virgule
JPS5718129A (en) * 1980-07-07 1982-01-29 Nec Corp Pulse swallow frequency divider
FR2511564A1 (fr) * 1981-08-17 1983-02-18 Thomson Csf Synthetiseur de frequences a division fractionnaire, utilise pour une modulation angulaire numerique
GB2140232B (en) * 1983-05-17 1986-10-29 Marconi Instruments Ltd Frequency synthesisers
US4573176A (en) * 1983-11-18 1986-02-25 Rca Corporation Fractional frequency divider
GB2150775A (en) * 1983-12-02 1985-07-03 Plessey Co Plc Frequency synthesiser
FR2557401B1 (fr) * 1983-12-27 1986-01-24 Thomson Csf Synthetiseur de frequences a division fractionnaire, a faible gigue de phase et utilisation de ce synthetiseur
GB2173659B (en) * 1985-02-06 1988-06-08 Plessey Co Plc Frequency synthesisers
GB2172759B (en) * 1985-02-21 1988-04-13 Plessey Co Plc Fractional-n frequency
US4918403A (en) * 1988-06-03 1990-04-17 Motorola, Inc. Frequency synthesizer with spur compensation
US4816774A (en) * 1988-06-03 1989-03-28 Motorola, Inc. Frequency synthesizer with spur compensation
US5070310A (en) * 1990-08-31 1991-12-03 Motorola, Inc. Multiple latched accumulator fractional N synthesis
US5122767A (en) * 1991-01-10 1992-06-16 Northern Telecom Limited Saw device tapped delay lines

Also Published As

Publication number Publication date
GB2319371A (en) 1998-05-20
DE4127385C2 (de) 2000-12-21
DE4127385A1 (de) 1998-02-19
BE1010980A3 (fr) 1999-03-02
CA2049582A1 (en) 1997-10-12
IT1277984B1 (it) 1997-11-12
ITTO910511A1 (it) 1993-01-02
GB9117896D0 (en) 1997-11-19
ES2105919B1 (es) 1998-05-16
GB2319371B (en) 1998-09-09
FR2748872B1 (fr) 1998-11-27
US6191657B1 (en) 2001-02-20
ES2105919A1 (es) 1997-10-16
FR2748872A1 (fr) 1997-11-21

Similar Documents

Publication Publication Date Title
DE4192274T (en:Method)
DE4092522T (en:Method)
DE4191617T (en:Method)
FR2658924B1 (en:Method)
FR2662084B1 (en:Method)
DE4191066T (en:Method)
DE4191068T (en:Method)
JPH0492353U (en:Method)
TW207022B (en:Method)
DE4190248T (en:Method)
DE4092524T (en:Method)
DE4092446T (en:Method)
DE4092552T1 (en:Method)
DE4192568T (en:Method)
AU632261B2 (en:Method)
ECSM90465U (en:Method)
DK291290D0 (en:Method)
DK285090D0 (en:Method)
ECSM90413U (en:Method)
IN172840B (en:Method)
ECSM90443U (en:Method)
ECSM90472U (en:Method)
IN174960B (en:Method)
IN174717B (en:Method)
JPH0493585U (en:Method)

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950630