DE2120935A1 - Hochfrequenz Signalgeneratoren mit Frequenzsynthese - Google Patents
Hochfrequenz Signalgeneratoren mit FrequenzsyntheseInfo
- Publication number
- DE2120935A1 DE2120935A1 DE19712120935 DE2120935A DE2120935A1 DE 2120935 A1 DE2120935 A1 DE 2120935A1 DE 19712120935 DE19712120935 DE 19712120935 DE 2120935 A DE2120935 A DE 2120935A DE 2120935 A1 DE2120935 A1 DE 2120935A1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- divider
- signal
- module
- signal generator
- 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.)
- Pending
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
- H03L7/183—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
- H03L7/185—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 using a mixer in the loop
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3267270A | 1970-04-28 | 1970-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2120935A1 true DE2120935A1 (de) | 1971-12-23 |
Family
ID=21866187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712120935 Pending DE2120935A1 (de) | 1970-04-28 | 1971-04-28 | Hochfrequenz Signalgeneratoren mit Frequenzsynthese |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2120935A1 (enExample) |
| FR (1) | FR2086413B1 (enExample) |
| GB (1) | GB1314462A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4314208A (en) | 1978-05-26 | 1982-02-02 | Racal Group Services Limited | Frequency adjusting methods and systems |
| US6005443A (en) * | 1998-03-19 | 1999-12-21 | Conexant Systems, Inc. | Phase locked loop frequency synthesizer for multi-band application |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1473202A (fr) * | 1966-01-25 | 1967-03-17 | Cit Alcatel | Générateur de fréquences régulièrement échelonnées dans une très large bande |
| US3448401A (en) * | 1967-08-24 | 1969-06-03 | Bendix Corp | Digital frequency synthesizer eliminating high speed counters |
-
1971
- 1971-04-26 GB GB1131571A patent/GB1314462A/en not_active Expired
- 1971-04-27 FR FR7114912A patent/FR2086413B1/fr not_active Expired
- 1971-04-28 DE DE19712120935 patent/DE2120935A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2086413A1 (enExample) | 1971-12-31 |
| GB1314462A (en) | 1973-04-26 |
| FR2086413B1 (enExample) | 1976-03-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |