JPH0462500B2 - - Google Patents
Info
- Publication number
- JPH0462500B2 JPH0462500B2 JP60156489A JP15648985A JPH0462500B2 JP H0462500 B2 JPH0462500 B2 JP H0462500B2 JP 60156489 A JP60156489 A JP 60156489A JP 15648985 A JP15648985 A JP 15648985A JP H0462500 B2 JPH0462500 B2 JP H0462500B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency divider
- frequency
- loop
- pll
- clock
- 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 - Lifetime
Links
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 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
- H03L7/197—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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (6)
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 |
EP86305289A EP0209321B1 (en) | 1985-07-15 | 1986-07-09 | Phase-locked loop frequency synthesizer |
DE8686305289T DE3684730D1 (de) | 1985-07-15 | 1986-07-09 | Frequenzsynthesierer mit einer phasenregelschleife. |
US06/883,570 US4667169A (en) | 1985-07-15 | 1986-07-10 | Phase-locked loop frequency synthesizer having reduced power consumption |
CA000513671A CA1270531A (en) | 1985-07-15 | 1986-07-14 | Phase-locked loop frequency synthesizer |
KR8605657A KR900001819B1 (en) | 1985-07-15 | 1986-07-14 | Pll frequwncy synthesizer |
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 (2)
Publication Number | Publication Date |
---|---|
JPS6216617A JPS6216617A (ja) | 1987-01-24 |
JPH0462500B2 true JPH0462500B2 (en, 2012) | 1992-10-06 |
Family
ID=15628871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60156489A Granted JPS6216617A (ja) | 1985-07-15 | 1985-07-15 | Pll周波数シンセサイザ |
Country Status (6)
Country | Link |
---|---|
US (1) | US4667169A (en, 2012) |
EP (1) | EP0209321B1 (en, 2012) |
JP (1) | JPS6216617A (en, 2012) |
KR (1) | KR900001819B1 (en, 2012) |
CA (1) | CA1270531A (en, 2012) |
DE (1) | DE3684730D1 (en, 2012) |
Families Citing this family (20)
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 |
GB2264597B (en) * | 1992-02-29 | 1995-05-10 | Nec Corp | Frequency synthesizer and method of operation |
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 |
KR100190149B1 (ko) * | 1993-11-09 | 1999-06-01 | 조나단 피. 메이어 | 위상 동기 루프를 위한 에라 억압회로 및 그 방법 |
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 (fr) * | 2000-09-29 | 2002-04-03 | Koninklijke Philips Electronics N.V. | Synthétiseur de fréquences à faible bruit et à réponse rapide, et procédé de synthèse de fréquences correspondant |
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 (5)
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 |
-
1985
- 1985-07-15 JP JP60156489A patent/JPS6216617A/ja active Granted
-
1986
- 1986-07-09 EP EP86305289A patent/EP0209321B1/en not_active Expired
- 1986-07-09 DE DE8686305289T patent/DE3684730D1/de not_active Expired - Lifetime
- 1986-07-10 US US06/883,570 patent/US4667169A/en not_active Expired - Lifetime
- 1986-07-14 KR KR8605657A patent/KR900001819B1/ko not_active Expired
- 1986-07-14 CA CA000513671A patent/CA1270531A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3684730D1 (de) | 1992-05-14 |
US4667169A (en) | 1987-05-19 |
EP0209321A2 (en) | 1987-01-21 |
JPS6216617A (ja) | 1987-01-24 |
EP0209321B1 (en) | 1992-04-08 |
KR900001819B1 (en) | 1990-03-24 |
CA1270531A (en) | 1990-06-19 |
EP0209321A3 (en) | 1988-10-19 |
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