FR2143558B1 - - Google Patents
Info
- Publication number
- FR2143558B1 FR2143558B1 FR7123658A FR7123658A FR2143558B1 FR 2143558 B1 FR2143558 B1 FR 2143558B1 FR 7123658 A FR7123658 A FR 7123658A FR 7123658 A FR7123658 A FR 7123658A FR 2143558 B1 FR2143558 B1 FR 2143558B1
- Authority
- FR
- France
- 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
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
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7123658A FR2143558B1 (en) | 1971-06-29 | 1971-06-29 | |
US00267166A US3805181A (en) | 1971-06-29 | 1972-06-28 | Frequency synthesizer with multiple control loops |
DE2231700A DE2231700A1 (en) | 1971-06-29 | 1972-06-28 | FREQUENCY SYNTHESIS CIRCUIT WITH SEVERAL FEEDBACK CIRCUITS |
GB3034872A GB1395604A (en) | 1971-06-29 | 1972-06-28 | Frequency synthesizer with multiple control loops |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7123658A FR2143558B1 (en) | 1971-06-29 | 1971-06-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2143558A1 FR2143558A1 (en) | 1973-02-09 |
FR2143558B1 true FR2143558B1 (en) | 1975-07-11 |
Family
ID=9079492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7123658A Expired FR2143558B1 (en) | 1971-06-29 | 1971-06-29 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2143558B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4131861A (en) * | 1977-12-30 | 1978-12-26 | International Business Machines Corporation | Variable frequency oscillator system including two matched oscillators controlled by a phase locked loop |
FR2497425B1 (en) * | 1980-12-31 | 1985-10-31 | Adret Electronique | FREQUENCY SYNTHESIZER WITH FRACTIONARY MULTIPLIER |
EP0307595A1 (en) * | 1987-09-11 | 1989-03-22 | Siemens Aktiengesellschaft | Circuit arrangement for generating two very near frequencies |
-
1971
- 1971-06-29 FR FR7123658A patent/FR2143558B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2143558A1 (en) | 1973-02-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
AR | Application made for restoration | ||
BR | Restoration of rights | ||
ST | Notification of lapse |