IT1068782B - Apparato oscillatore a frequenza variabile - Google Patents
Apparato oscillatore a frequenza variabileInfo
- Publication number
- IT1068782B IT1068782B IT2850476A IT2850476A IT1068782B IT 1068782 B IT1068782 B IT 1068782B IT 2850476 A IT2850476 A IT 2850476A IT 2850476 A IT2850476 A IT 2850476A IT 1068782 B IT1068782 B IT 1068782B
- Authority
- IT
- Italy
- Prior art keywords
- variable frequency
- frequency oscillator
- oscillator apparatus
- variable
- oscillator
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50129862A JPS5254356A (en) | 1975-10-30 | 1975-10-30 | Pahse-synchronized variable frequency oscillator |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1068782B true IT1068782B (it) | 1985-03-21 |
Family
ID=15020100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2850476A IT1068782B (it) | 1975-10-30 | 1976-10-19 | Apparato oscillatore a frequenza variabile |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5254356A (it) |
DE (1) | DE2648103A1 (it) |
FR (1) | FR2330198A1 (it) |
IT (1) | IT1068782B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2941729A1 (de) * | 1979-10-15 | 1981-05-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung mit einer regelschleife |
JPS6059822A (ja) * | 1983-09-13 | 1985-04-06 | Fujitsu Ltd | 周波数変換回路 |
JPS62141819A (ja) * | 1985-12-16 | 1987-06-25 | Matsushita Electric Ind Co Ltd | マイクロ波帯周波数シンセサイザ |
JPS62141817A (ja) * | 1985-12-16 | 1987-06-25 | Matsushita Electric Ind Co Ltd | マイクロ波帯周波数シンセサイザ |
JP2563256B2 (ja) * | 1985-12-16 | 1996-12-11 | 松下電器産業株式会社 | マイクロ波帯周波数シンセサイザ |
JPS62141816A (ja) * | 1985-12-16 | 1987-06-25 | Matsushita Electric Ind Co Ltd | マイクロ波帯周波数シンセサイザ |
US4785260A (en) * | 1986-03-18 | 1988-11-15 | International Mobile Machines Corporation | Frequency synthesizer for broadcast telephone system having multiple assignable frequency channels |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR74213E (it) * | 1957-02-14 | 1961-03-06 | ||
FR1383227A (fr) * | 1962-11-30 | 1964-12-24 | Philips Nv | Générateur à plusieurs canaux |
US3319178A (en) * | 1965-09-27 | 1967-05-09 | Collins Radio Co | Plural loop automatic phase control |
FR1596815A (it) * | 1967-12-21 | 1970-06-22 | ||
GB1191433A (en) * | 1968-01-19 | 1970-05-13 | Gen Electric & English Elect | Improvements in or relating to Frequency Synthesisers. |
FR2221858A1 (en) * | 1973-03-14 | 1974-10-11 | Adret Electronique | Wide band VHF and UHF frequency synthesiser - has HF aquisition rate using several oscillators connected in parallel |
-
1975
- 1975-10-30 JP JP50129862A patent/JPS5254356A/ja active Pending
-
1976
- 1976-10-19 IT IT2850476A patent/IT1068782B/it active
- 1976-10-23 DE DE19762648103 patent/DE2648103A1/de active Pending
- 1976-10-28 FR FR7632564A patent/FR2330198A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS5254356A (en) | 1977-05-02 |
DE2648103A1 (de) | 1977-05-12 |
FR2330198A1 (fr) | 1977-05-27 |
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