DE69314359T2 - Frequenzsynthetisierer mit Phasenregelschleife mit Leistungssparfunktion - Google Patents

Frequenzsynthetisierer mit Phasenregelschleife mit Leistungssparfunktion

Info

Publication number
DE69314359T2
DE69314359T2 DE69314359T DE69314359T DE69314359T2 DE 69314359 T2 DE69314359 T2 DE 69314359T2 DE 69314359 T DE69314359 T DE 69314359T DE 69314359 T DE69314359 T DE 69314359T DE 69314359 T2 DE69314359 T2 DE 69314359T2
Authority
DE
Germany
Prior art keywords
power saving
locked loop
phase locked
frequency synthesizer
saving function
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
DE69314359T
Other languages
English (en)
Other versions
DE69314359D1 (de
Inventor
Hidehiko Norimatu
Osamu Yamashita
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
Publication of DE69314359D1 publication Critical patent/DE69314359D1/de
Application granted granted Critical
Publication of DE69314359T2 publication Critical patent/DE69314359T2/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
    • H03L7/08—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
    • 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
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
    • 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
    • H03L7/193—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 the frequency divider/counter comprising a commutable pre-divider, e.g. a two modulus divider
DE69314359T 1992-01-23 1993-01-21 Frequenzsynthetisierer mit Phasenregelschleife mit Leistungssparfunktion Expired - Fee Related DE69314359T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4032680A JPH05206850A (ja) 1992-01-23 1992-01-23 Ｐｌｌ周波数シンセサイザ

Publications (2)

Publication Number Publication Date
DE69314359D1 DE69314359D1 (de) 1997-11-13
DE69314359T2 true DE69314359T2 (de) 1998-04-30

Family

ID=12365588

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69314359T Expired - Fee Related DE69314359T2 (de) 1992-01-23 1993-01-21 Frequenzsynthetisierer mit Phasenregelschleife mit Leistungssparfunktion

Country Status (5)

Country Link
US (1) US5361044A (de)
EP (1) EP0552753B1 (de)
JP (1) JPH05206850A (de)
CA (1) CA2087372A1 (de)
DE (1) DE69314359T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5842029A (en) * 1991-10-17 1998-11-24 Intel Corporation Method and apparatus for powering down an integrated circuit transparently and its phase locked loop
US5473767A (en) * 1992-11-03 1995-12-05 Intel Corporation Method and apparatus for asynchronously stopping the clock in a processor
KR100355837B1 (ko) * 1993-03-10 2002-10-12 내셔널 세미콘덕터 코포레이션 위상 동기 루프 및 신호발생방법
JP3258812B2 (ja) * 1994-04-20 2002-02-18 富士通株式会社 節電機能付き電源装置
US5488332A (en) * 1994-06-10 1996-01-30 Oki Telecom Reversed phase-locked loop
US5572168A (en) * 1995-08-09 1996-11-05 Lucent Technologies Inc. Frequency synthesizer having dual phase locked loops
US5574405A (en) * 1995-08-22 1996-11-12 Lucent Technologies Inc. Low noise amplifier/mixer/frequency synthesizer circuit for an RF system
TW527763B (en) * 2000-05-01 2003-04-11 Koninkl Philips Electronics Nv Power adaptive frequency divider
US6711222B1 (en) * 2000-09-18 2004-03-23 Abb Automation Inc. Method and apparatus for performing frequency synthesis in communication systems
KR100492691B1 (ko) * 2002-11-14 2005-06-07 매그나칩 반도체 유한회사 펄스 스왈로 방식의 위상 제어 루프 회로
US6968029B1 (en) 2004-08-03 2005-11-22 Skyworks Solutions, Inc. Frequency prescaler

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184068A (en) * 1977-11-14 1980-01-15 Harris Corporation Full binary programmed frequency divider
CA1290407C (en) * 1986-12-23 1991-10-08 Shigeki Saito Frequency synthesizer
JPH022723A (ja) * 1988-06-17 1990-01-08 Matsushita Electric Ind Co Ltd Ｐｌｌ周波数シンセサイザー
US5045813A (en) * 1989-10-19 1991-09-03 Nihon Musen Kabushiki Kaisha Slip phase control PLL

Also Published As

Publication number Publication date
EP0552753B1 (de) 1997-10-08
CA2087372A1 (en) 1993-07-24
DE69314359D1 (de) 1997-11-13
US5361044A (en) 1994-11-01
JPH05206850A (ja) 1993-08-13
EP0552753A1 (de) 1993-07-28

Similar Documents

Publication Publication Date Title
DE69112477T2 (de) Frequenzsynthetisierer mit Phasenregelschleife.
DE69613660D1 (de) Energiesparende Phasenregelkreisschaltung
DE69318747D1 (de) Adaptiver Phasenregelkreis
DE69424373D1 (de) Phasenregelschleife mit Überbrückungsmodus
DE69225125T2 (de) Mikrowellenoszillator
AU537712B2 (en) Frequency synthesizer with phase locked loop
DE3671686D1 (de) Frequenzsynthesator mit phasenverriegelter schleife.
DE69307581D1 (de) Phasenregelkreis
GB2320376B (en) Phase locked loop having a multiple frequency output voltage controlled oscillator
DE69314359T2 (de) Frequenzsynthetisierer mit Phasenregelschleife mit Leistungssparfunktion
DE69302442D1 (de) Phasenregelkreis mit zwei Betriebsorten
DE69510577D1 (de) Phasenregelkreis
DE68908245T2 (de) Synthetisierer mit Phasenregelkreis für Modulation.
DE69224872D1 (de) Entscheidungsgeführte Phasenverriegelte Schleife
DE69314373D1 (de) Frequenzabstimmung mit Frequenzsynthesierer
DE59702398D1 (de) Phasenregelkreis mit Technologiekompensation
FI950484A0 (fi) Mikroaalto-oskillaattori, jonka vaihekohinaominaisuuksia on parannettu
DE69512121T2 (de) Phasenregelkreisschaltung
DE69400916D1 (de) Phasenregelkreisschaltung mit Fuzzy-Steuerung
DE59107340D1 (de) Phasenregelkreis höherer Ordnung
KR960025904U (ko) 위상고정루프 회로를 갖는 전압제어발진기
DE69814510D1 (de) Phasenregelkreis mit Phasenregelhilfsschaltung
FI962372A0 (fi) D/A-muunnin oskillaattorin ohjaamiseksi vaihelukitussa silmukassa
AU5921094A (en) Phase locked loop frequency synthesizer with fast frequency switching
FI922604A (fi) Vaihelukittu silmukka

Legal Events

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