DE69011670D1 - Frequenzsynthesizer. - Google Patents
Frequenzsynthesizer.Info
- Publication number
- DE69011670D1 DE69011670D1 DE69011670T DE69011670T DE69011670D1 DE 69011670 D1 DE69011670 D1 DE 69011670D1 DE 69011670 T DE69011670 T DE 69011670T DE 69011670 T DE69011670 T DE 69011670T DE 69011670 D1 DE69011670 D1 DE 69011670D1
- Authority
- DE
- Germany
- Prior art keywords
- frequency synthesizer
- synthesizer
- 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
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
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
-
- 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
- H03L7/1806—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 the frequency divider comprising a phase accumulator generating the frequency divided signal
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19900304758 EP0454917B1 (de) | 1990-05-02 | 1990-05-02 | Frequenzsynthesizer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69011670D1 true DE69011670D1 (de) | 1994-09-22 |
DE69011670T2 DE69011670T2 (de) | 1994-12-08 |
Family
ID=8205407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1990611670 Expired - Fee Related DE69011670T2 (de) | 1990-05-02 | 1990-05-02 | Frequenzsynthesizer. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0454917B1 (de) |
DE (1) | DE69011670T2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5301366A (en) * | 1992-04-07 | 1994-04-05 | Rockwell International Corporation | High performance frequency tuning with low cost synthesizer |
JPH06164388A (ja) * | 1992-11-25 | 1994-06-10 | Nec Corp | 周波数シンセサイザー |
DE4329353A1 (de) * | 1993-08-27 | 1995-03-02 | H U C Elektronik Gmbh | PLL-System |
US6366620B1 (en) | 1994-12-13 | 2002-04-02 | Hughes Electronics Corporation | VSAT system |
EP0717491B1 (de) * | 1994-12-13 | 2003-02-26 | Hughes Electronics Corporation | Synthetisierer hoher Präzision sowie niedrigen Phasenrauschens, mit Vektormodulator |
DK0815648T3 (da) * | 1995-03-16 | 2002-07-15 | Qualcomm Inc | Direkte digital syntetisator drevet PLL frekvenssyntetisator med oprensnings PLL |
JP3317837B2 (ja) * | 1996-02-29 | 2002-08-26 | 日本電気株式会社 | Pll回路 |
JP3395529B2 (ja) * | 1996-06-28 | 2003-04-14 | 三菱電機株式会社 | 周波数シンセサイザ |
WO2002037684A1 (de) * | 2000-10-24 | 2002-05-10 | Sz Testsysteme Ag | Programmierbarer frequenzgenerator |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2055519B (en) * | 1979-07-17 | 1983-09-01 | Standard Telephones Cables Ltd | Digital frequency synthesiser |
GB2099645A (en) * | 1981-05-29 | 1982-12-08 | Racal Res Ltd | Frequency synthesisers |
EP0278140A1 (de) * | 1987-02-12 | 1988-08-17 | Hewlett-Packard Limited | Taktsignalgenerator |
US4951237A (en) * | 1988-04-22 | 1990-08-21 | Hughes Aircraft Company | Direct digital synthesizer with selectably randomized accumulator |
-
1990
- 1990-05-02 EP EP19900304758 patent/EP0454917B1/de not_active Expired - Lifetime
- 1990-05-02 DE DE1990611670 patent/DE69011670T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69011670T2 (de) | 1994-12-08 |
EP0454917A1 (de) | 1991-11-06 |
EP0454917B1 (de) | 1994-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69020452D1 (de) | Frequenzsynthesierer. | |
DE68916889D1 (de) | Frequenzsynthesierer. | |
DE59008177D1 (de) | Frequenzsynthesizer. | |
IT1238884B (it) | Sintetizzatore di frequenza. | |
FR2709624B1 (fr) | Synthétiseur de fréquence. | |
FI954354A (fi) | Taajuussyntetisaattori | |
DE3750810D1 (de) | Frequenzsynthetisierer. | |
DE69315614T2 (de) | Frequenzsynthesierer | |
DE69016308D1 (de) | Direkter digitaler Frequenzsynthetisierer. | |
DE69314519D1 (de) | Frequenzsynthetisierer | |
DE69129680T2 (de) | Frequenzsynthetisierer | |
DE58908588D1 (de) | Frequenzsynthesegerät. | |
NO931407L (no) | Frekvenssyntetisator | |
DE69023917D1 (de) | Oszillator. | |
DE68912635D1 (de) | Frequenzzähler. | |
DE69109888D1 (de) | Taktfrequenzverdoppler. | |
DE69316857T2 (de) | Frequenzsynthetisierer | |
DE69127669D1 (de) | Frequenzsynthetisierer | |
DE69011670D1 (de) | Frequenzsynthesizer. | |
DE58907950D1 (de) | Frequenzsynthesegerät. | |
FI895068A0 (fi) | Frekvenssyntetisator. | |
DE69430552D1 (de) | Frequenzsynthesizer | |
DE69132433D1 (de) | Injektionssynchronisierte Oszillatoren | |
DE69423946D1 (de) | Frequenzsynthetisierer | |
DE68917081D1 (de) | Hochfrequenz-Oszillator. |
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: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: AGILENT TECHNOLOGIES UK LTD.,, BRACKNELL, BERKSHIR |
|
8339 | Ceased/non-payment of the annual fee |