DE69406045D1 - Vorrichtung zur Verminderung der Störspektrallinien des Ausgangssignals eines digitalen Frequenzsynthetisierers - Google Patents

Vorrichtung zur Verminderung der Störspektrallinien des Ausgangssignals eines digitalen Frequenzsynthetisierers

Info

Publication number
DE69406045D1
DE69406045D1 DE69406045T DE69406045T DE69406045D1 DE 69406045 D1 DE69406045 D1 DE 69406045D1 DE 69406045 T DE69406045 T DE 69406045T DE 69406045 T DE69406045 T DE 69406045T DE 69406045 D1 DE69406045 D1 DE 69406045D1
Authority
DE
Germany
Prior art keywords
reducing
output signal
frequency synthesizer
digital frequency
spectral lines
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
DE69406045T
Other languages
English (en)
Other versions
DE69406045T2 (de
Inventor
Michel Beuzer
Antoine Bourcereau
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Alsthom Compagnie Generale dElectricite
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 Alcatel Alsthom Compagnie Generale dElectricite filed Critical Alcatel Alsthom Compagnie Generale dElectricite
Application granted granted Critical
Publication of DE69406045D1 publication Critical patent/DE69406045D1/de
Publication of DE69406045T2 publication Critical patent/DE69406045T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/0321—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers
    • 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
    • H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Amplitude Modulation (AREA)
  • Noise Elimination (AREA)
DE1994606045 1993-05-12 1994-05-09 Vorrichtung zur Verminderung der Störspektrallinien des Ausgangssignals eines digitalen Frequenzsynthetisierers Expired - Fee Related DE69406045T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9305704A FR2705175B1 (fr) 1993-05-12 1993-05-12 Dispositif de reduction des raies parasites du signal de sortie d'un synthetiseur de frequence numerique.

Publications (2)

Publication Number Publication Date
DE69406045D1 true DE69406045D1 (de) 1997-11-13
DE69406045T2 DE69406045T2 (de) 1998-01-29

Family

ID=9447044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994606045 Expired - Fee Related DE69406045T2 (de) 1993-05-12 1994-05-09 Vorrichtung zur Verminderung der Störspektrallinien des Ausgangssignals eines digitalen Frequenzsynthetisierers

Country Status (8)

Country Link
EP (1) EP0624954B1 (de)
JP (1) JPH0774630A (de)
CA (1) CA2123178A1 (de)
DE (1) DE69406045T2 (de)
DK (1) DK0624954T3 (de)
ES (1) ES2107147T3 (de)
FI (1) FI942145A (de)
FR (1) FR2705175B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100985550B1 (ko) * 2009-10-01 2010-10-05 엘아이지넥스원 주식회사 직접 디지털 주파수 합성 장치 및 방법
FR2967500B1 (fr) * 2010-11-12 2013-08-16 St Microelectronics Sa Dispositif d'emission/reception d'ondes radar
CN108233924A (zh) * 2018-02-09 2018-06-29 龙营半导体股份有限公司 基于相位调制的emi减少装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336505A (en) * 1980-07-14 1982-06-22 John Fluke Mfg. Co., Inc. Controlled frequency signal source apparatus including a feedback path for the reduction of phase noise
GB2239748B (en) * 1990-01-06 1993-12-15 Plessey Co Plc Direct frequency synthesiser
US5130671A (en) * 1990-12-26 1992-07-14 Hughes Aircraft Company Phase-locked loop frequency tracking device including a direct digital synthesizer

Also Published As

Publication number Publication date
FI942145A0 (fi) 1994-05-09
EP0624954B1 (de) 1997-10-08
FI942145A (fi) 1994-11-13
ES2107147T3 (es) 1997-11-16
JPH0774630A (ja) 1995-03-17
EP0624954A1 (de) 1994-11-17
DE69406045T2 (de) 1998-01-29
DK0624954T3 (da) 1997-10-27
FR2705175A1 (fr) 1994-11-18
FR2705175B1 (fr) 1995-07-07
CA2123178A1 (fr) 1994-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL, PARIS, FR

8339 Ceased/non-payment of the annual fee