DE3684730D1 - Frequenzsynthesierer mit einer phasenregelschleife. - Google Patents

Frequenzsynthesierer mit einer phasenregelschleife.

Info

Publication number
DE3684730D1
DE3684730D1 DE8686305289T DE3684730T DE3684730D1 DE 3684730 D1 DE3684730 D1 DE 3684730D1 DE 8686305289 T DE8686305289 T DE 8686305289T DE 3684730 T DE3684730 T DE 3684730T DE 3684730 D1 DE3684730 D1 DE 3684730D1
Authority
DE
Germany
Prior art keywords
control loop
phase control
frequency synthesiser
synthesiser
frequency
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8686305289T
Other languages
English (en)
Inventor
Takashi Matsuura
Yukio Fukumura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3684730D1 publication Critical patent/DE3684730D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/0802—Details of the phase-locked loop the loop being adapted for reducing power consumption
    • 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
DE8686305289T 1985-07-15 1986-07-09 Frequenzsynthesierer mit einer phasenregelschleife. Expired - Fee Related DE3684730D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60156489A JPS6216617A (ja) 1985-07-15 1985-07-15 Ｐｌｌ周波数シンセサイザ

Publications (1)

Publication Number Publication Date
DE3684730D1 true DE3684730D1 (de) 1992-05-14

Family

ID=15628871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686305289T Expired - Fee Related DE3684730D1 (de) 1985-07-15 1986-07-09 Frequenzsynthesierer mit einer phasenregelschleife.

Country Status (6)

Country Link
US (1) US4667169A (de)
EP (1) EP0209321B1 (de)
JP (1) JPS6216617A (de)
KR (1) KR900001819B1 (de)
CA (1) CA1270531A (de)
DE (1) DE3684730D1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128228A (ja) * 1985-11-28 1987-06-10 Hitachi Ltd 間欠受信方式
CA1290407C (en) * 1986-12-23 1991-10-08 Shigeki Saito Frequency synthesizer
GB2207309B (en) * 1987-07-11 1992-05-13 Plessey Co Plc Frequency synthesiser with provision for standby mode
SE463005B (sv) * 1987-08-13 1990-09-24 Ericsson Telefon Ab L M Anordning foer frekvenssyntes i ett radiosystem foer frekvenshopp
US4757264A (en) * 1987-10-08 1988-07-12 American Telephone And Telegraph Company, At&T Bell Laboratories Sample clock signal generator circuit
JPH01206725A (ja) * 1988-02-12 1989-08-18 Fujitsu Ltd 低消費電力シンセサイザ
US5049884A (en) * 1990-10-10 1991-09-17 Cincinnati Microwave, Inc. Battery powered police radar warning receiver
JPH04154318A (ja) * 1990-10-18 1992-05-27 Fujitsu Ltd Ｐｌｌ周波数シンセサイザ
US5335365A (en) * 1991-07-08 1994-08-02 Motorola, Inc. Frequency synthesizer with VCO output control
CA2090523C (en) * 1992-02-29 1998-09-01 Nozomu Watanabe Frequency synthesizer and frequency synthesizing method
DE4232609A1 (de) * 1992-09-29 1994-03-31 Bosch Gmbh Robert PLL-Schaltung
US5339278A (en) * 1993-04-12 1994-08-16 Motorola, Inc. Method and apparatus for standby recovery in a phase locked loop
SG50633A1 (en) * 1993-11-09 1998-07-20 Motorola Inc An error supressing circuit and method therefor for a phase locked loop
JPH0879074A (ja) * 1994-09-05 1996-03-22 Mitsubishi Electric Corp フェーズ・ロックド・ループ回路
FR2794310A1 (fr) * 1999-05-28 2000-12-01 St Microelectronics Sa Dispositif de verrouillage de phase a consommation electrique reduite
JP2001127631A (ja) * 1999-10-28 2001-05-11 Matsushita Electric Ind Co Ltd 周波数シンセサイザ装置とそれを用いた移動無線機
EP1193879A1 (de) * 2000-09-29 2002-04-03 Koninklijke Philips Electronics N.V. Rauscharmer und schnellansprechender Frequenzsynthesierer, und übereinstimmendes Verfahren zur Frequenzsynthese
GB2393332B (en) * 2002-07-15 2006-03-08 Sumitomo Metal Conductor paste, method of printing the conductor paste and method of fabricating ceramic circuit board
US7095261B2 (en) * 2004-05-05 2006-08-22 Micron Technology, Inc. Clock capture in clock synchronization circuitry
US8461933B2 (en) * 2010-10-26 2013-06-11 Mediatek Inc. Device and method for frequency calibration and phase-locked loop using the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1591621B2 (de) * 1967-09-04 1972-03-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart Sparschaltung fuer batteriebetriebene nachrichtengeraete
JPS56136037A (en) * 1980-03-26 1981-10-23 Nec Corp Phase synchronizing oscillator
US4521918A (en) * 1980-11-10 1985-06-04 General Electric Company Battery saving frequency synthesizer arrangement
JPS5866434A (ja) * 1981-10-16 1983-04-20 Toshiba Corp 無線通信方式
JPS6055729A (ja) * 1983-09-06 1985-04-01 Nec Corp Ｐｌｌ装置
JPS60170327A (ja) * 1984-02-14 1985-09-03 Fujitsu Ltd シンセサイザ

Also Published As

Publication number Publication date
JPH0462500B2 (de) 1992-10-06
JPS6216617A (ja) 1987-01-24
KR900001819B1 (en) 1990-03-24
US4667169A (en) 1987-05-19
EP0209321B1 (de) 1992-04-08
EP0209321A2 (de) 1987-01-21
EP0209321A3 (en) 1988-10-19
CA1270531A (en) 1990-06-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee