IL104176A - A dividing synchrome circuit - Google Patents

A dividing synchrome circuit

Info

Publication number
IL104176A
IL104176A IL10417692A IL10417692A IL104176A IL 104176 A IL104176 A IL 104176A IL 10417692 A IL10417692 A IL 10417692A IL 10417692 A IL10417692 A IL 10417692A IL 104176 A IL104176 A IL 104176A
Authority
IL
Israel
Prior art keywords
output
divider
input
signal
latch
Prior art date
Application number
IL10417692A
Other languages
English (en)
Hebrew (he)
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL104176A publication Critical patent/IL104176A/en

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
    • H03L7/197—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
    • H03L7/199—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 with reset of the frequency divider or the counter, e.g. for assuring initial synchronisation
    • 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
    • H03L7/189—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 comprising a D/A converter for generating a coarse tuning voltage
    • 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
    • H03L2207/18—Temporarily disabling, deactivating or stopping the frequency counter or divider

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
IL10417692A 1992-01-31 1992-12-18 A dividing synchrome circuit IL104176A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/829,183 US5304951A (en) 1992-01-31 1992-01-31 Divider synchronization circuit for phase-locked loop frequency synthesizer

Publications (1)

Publication Number Publication Date
IL104176A true IL104176A (en) 1995-10-31

Family

ID=25253770

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10417692A IL104176A (en) 1992-01-31 1992-12-18 A dividing synchrome circuit

Country Status (9)

Country Link
US (1) US5304951A (ja)
EP (1) EP0553748B1 (ja)
JP (1) JP2738488B2 (ja)
CA (1) CA2084284C (ja)
DE (1) DE69317685T2 (ja)
ES (1) ES2114961T3 (ja)
HK (1) HK1009892A1 (ja)
IL (1) IL104176A (ja)
NO (1) NO307948B1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1070321C (zh) * 1993-11-09 2001-08-29 摩托罗拉公司 锁相环误差抑制电路和方法
US6028814A (en) * 1998-01-07 2000-02-22 Integrated Silicon Solution, Inc. Guaranteed dynamic pulse generator
KR100566297B1 (ko) * 1999-09-01 2006-03-30 삼성전자주식회사 클럭 분주 회로
JP3818624B2 (ja) * 2000-02-23 2006-09-06 株式会社ルネサステクノロジ 無線通信システム
US6975682B2 (en) * 2001-06-12 2005-12-13 Raytheon Company Multi-bit delta-sigma analog-to-digital converter with error shaping
US7092474B2 (en) * 2001-09-18 2006-08-15 Broadcom Corporation Linear phase detector for high-speed clock and data recovery
US8179174B2 (en) 2010-06-15 2012-05-15 Mstar Semiconductor, Inc. Fast phase locking system for automatically calibrated fractional-N PLL
EP2814177B1 (en) * 2013-06-10 2015-09-23 Asahi Kasei Microdevices Corporation Phase-locked loop device with synchronization means

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932049C (de) * 1953-02-03 1955-08-22 Textile Paper Tube Co Lt Of Oa Vorrichtung zur Herstellung von Faserstoffbehaeltern oder -spulen
DE2932049A1 (de) * 1979-08-07 1981-02-12 Rohde & Schwarz Frequenz- und phasengeregelter hochfrequenzoszillator
US4560950A (en) * 1983-09-29 1985-12-24 Tektronix, Inc. Method and circuit for phase lock loop initialization
CH670020A5 (en) * 1986-01-20 1989-04-28 Studer Willi Ag Signal synchronising phase-lock circuit - has frequency divider for output signal reset in synchronism with signal flanks of input signal
US4817199A (en) * 1987-07-17 1989-03-28 Rockwell International Corporation Phase locked loop having reduced response time
JPH0793577B2 (ja) * 1988-09-02 1995-10-09 日本電信電話株式会社 周波数シンセサイザ

Also Published As

Publication number Publication date
EP0553748B1 (en) 1998-04-01
EP0553748A3 (en) 1993-12-08
DE69317685T2 (de) 1998-07-23
CA2084284C (en) 1998-12-29
NO930097L (no) 1993-08-02
US5304951A (en) 1994-04-19
CA2084284A1 (en) 1993-08-01
DE69317685D1 (de) 1998-05-07
NO307948B1 (no) 2000-06-19
NO930097D0 (no) 1993-01-12
EP0553748A2 (en) 1993-08-04
JPH0621811A (ja) 1994-01-28
ES2114961T3 (es) 1998-06-16
HK1009892A1 (en) 1999-06-11
JP2738488B2 (ja) 1998-04-08

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Legal Events

Date Code Title Description
FF Patent granted
HC Change of name of proprietor(s)
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees