FR2356311A1 - Circuit synthetiseur de frequence pour recepteur de signaux - Google Patents
Circuit synthetiseur de frequence pour recepteur de signauxInfo
- Publication number
- FR2356311A1 FR2356311A1 FR7719255A FR7719255A FR2356311A1 FR 2356311 A1 FR2356311 A1 FR 2356311A1 FR 7719255 A FR7719255 A FR 7719255A FR 7719255 A FR7719255 A FR 7719255A FR 2356311 A1 FR2356311 A1 FR 2356311A1
- Authority
- FR
- France
- Prior art keywords
- frequency
- signal receiver
- frequency synthesizer
- synthesizer circuit
- received
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT6856076A IT1071211B (it) | 1976-06-25 | 1976-06-25 | Perfezionamenti a un sintetizzatore di frequenza per un ricevitore di segnali |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2356311A1 true FR2356311A1 (fr) | 1978-01-20 |
| FR2356311B1 FR2356311B1 (enrdf_load_stackoverflow) | 1982-03-19 |
Family
ID=11309845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7719255A Granted FR2356311A1 (fr) | 1976-06-25 | 1977-06-23 | Circuit synthetiseur de frequence pour recepteur de signaux |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2728599A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2356311A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1581360A (enrdf_load_stackoverflow) |
| IT (1) | IT1071211B (enrdf_load_stackoverflow) |
-
1976
- 1976-06-25 IT IT6856076A patent/IT1071211B/it active
-
1977
- 1977-06-16 GB GB2515677A patent/GB1581360A/en not_active Expired
- 1977-06-23 FR FR7719255A patent/FR2356311A1/fr active Granted
- 1977-06-24 DE DE19772728599 patent/DE2728599A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1581360A (en) | 1980-12-10 |
| FR2356311B1 (enrdf_load_stackoverflow) | 1982-03-19 |
| DE2728599A1 (de) | 1977-12-29 |
| IT1071211B (it) | 1985-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| CL | Concession to grant licences |